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| | IngentaConnect Cysts in the Rat Adenohypophysis: Incidence and Histology |
 | | Cysts in the Rat Adenohypophysis: Incidence and Histology | | | IngentaConnect Cysts in the Rat Adenohypophysis: Incidence and Histology | | | The incidence and histology of cysts in the adenohypophysis of adult male Wistar rats are reported. |
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http://www.ingentaconnect.com/content/hum/ep/2001/00000012/00000001/art00008
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| | Untitled |
| | Describe the mechanism of hypothalamic regulation of the hypophysis by comparing and contrasting the response of the adenohypophysis with that of the neurohypophysis. | | | Compare and contrast the mechanisms of peptide hormonal activity with that of steroid hormonal activity. |
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http://www2.sunysuffolk.edu/kisield/endocrin.htm
(90 words)
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| | Svalander (1974) Ultrastructure of the fetal rat adenohypophysis |
| | Svalander (1974) Ultrastructure of the fetal rat adenohypophysis | | | To view the the latter's ratings, click on Chapters/Papers/Articles in the STATISTICS box, select a publication from the list that appears, and then click on either Quality or Interest in that publication's STATISTICS box. |
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http://www.getcited.org/?PUB=101646580&showStat=Ratings
(81 words)
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| | anterior pituitary (adenohypophysis) |
| | Mammosomatotrophs develop within mammotroph clusters in bovine adenohypophysis. | | | Ultrastructural and immunocytochemical studies of prolactin-secreting cells in adenohypophysis of the mink (Mustela vison). | | | Effects of age and gender on the AII-induced stimulation of prolactin release and inositol phosphate accumulation in rat anterior pituitary cells in vitro. |
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http://www.arclab.org/node_pages/507.html
(2299 words)
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| | Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations |
| | Early ultrastructural changes in the rat adenohypophysis following exposure to neutron radiation | | | Energy Citations Database (ECD) Document #7218558 - Early ultrastructural changes in the rat adenohypophysis following exposure to neutron radiation | | | Availability information may be found in the Availability, Publisher, Research Organization, Resource Relation and/or Author (affiliation information) fields and/or via the "Full-text Availability" link. |
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http://www.osti.gov/energycitations/product.biblio.jsp?osti_id=7218558
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| | Final Diagnosis -- Case 68 |
| | Increased intracranial pressure, severe hypotension may interfere with adenohypophysial blood flow and lead to ischemic infarction (7). | | | Barber evaluated adenohypophysial function in 50 patients on mechanical respirators and found 7 cases (14%) who developed hypopituitarism (1). | | | Kovacs K, Bilbao JM (1974) Adenohypophysial necrosis in respirator maintained patients. |
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http://path.upmc.edu/divisions/neuropath/bpath/cases/case68/dx.html
(697 words)
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| | Jahrbuch-CD der MPG 2003 - Adenohypophysis formation in th |
| | Carrying out loss- and gain-of-function experiments, we show that Shh from the ventral diencephalon plays a crucial role during induction, patterning, and growth of the zebrafish adenohypophysis. | | | Following the expression pattern of prl and pomc during development, we show that no pituitary-specific invagination equivalent to Rathke's pouch formation takes place. | | | The phenotypes are very similar to those obtained upon pituitary-specific inactivation or overexpression of Shh in mouse embryo, suggesting that the role of Shh during pituitary development has been largely conserved between fish and mice, despite the different modes of pituitary formation in the two vertebrate classes. |
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http://www.mpg.de/forschungsergebnisse/wissVeroeffentlichungen/archivListenJahrbuch/2003/20/publZIM32.html
(326 words)
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| | Blue Histology - Endocrines |
| | You may also want to take a quick look at neurones of the hypothalamus, part of which should be visible on the slides. | | | Two additional hormones are oxytocin, which stimulates the contraction of smooth muscle cell in the uterus and participates in the milk ejection reflex, and antidiuretic hormone (ADH or vasopressin), which facilitates the concentration of urine in the kidneys and, thereby, the retention of water. | | | Via the effects of pineal hormones on the adenohypophysis and sex hormones it is likely that the pineal body is involved in phenomena associated with the circadian rhythm and seasonal phenomena (e.g. |
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http://www.lab.anhb.uwa.edu.au/mb140/CorePages/Endocrines/endocrin.htm
(3168 words)
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| | Pituitary |
| | Some definitions may be helpful at this point to understand some of the terms used to describe the anatomy of the pituitary: | | | The adenohypophysis derives from an invagination of oral ectoderm known as Rathke’s pouch while the neurohypophysis is formed as a downgrowth from the floor of the diencephalon of the brain (neural ectoderm). | | | Where the adenohypophysis and neurohypophysis meet, you may encounter the intermediate lobe (pars intermedia). |
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http://core.ecu.edu/biol/singhasc/Pituitary.htm
(598 words)
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| | adenohypophysis - definition of adenohypophysis by the Free Online Dictionary, Thesaurus and Encyclopedia. |
| | adenohypophysis - the anterior lobe of the pituitary body; primarily glandular in nature | | | This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. | | | adenohypophysis - definition of adenohypophysis by the Free Online Dictionary, Thesaurus and Encyclopedia. |
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http://www.thefreedictionary.com/adenohypophysis
(149 words)
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| | Exercise 24: Endocrine Organs |
| | The key point to remember here is that anything put into the "upstream" end of the portal system in the neurohypophysis is immediately transported to the adenohypophysis. | | | The neurohypophysis has a lumen, and that lumen is continuous with the lumen of the brain's third ventricle. | | | The mature adenohypophysis has several distinct parts: the cranial pars distalis, the pars intermedia, which is physically associated with the neural rudiment, and the pars tuberalis, which comes to form a sort of sleeve-like covering of the stalk from which the neural portion is dependent. |
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http://education.vetmed.vt.edu/Curriculum/VM8054/Labs/Lab24/Lab24.htm
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| | New Page 0 |
| | interactions and lead to developmental changes in certain embryonic organs such as adenohypophysis. | | | and N-acetylgalactosamine may play a critical role in adenohypophysis development. | | | Conclusion: The appearance and changes of Glycoconjugates on the cell surface with terminal sugars such as acid sialic and N-acetyl galactosamine may play a key role in tissue |
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http://royaninstitute.org/yakhteh/yak21-6.htm
(277 words)
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| | The Analyst - Internet Health Report: Condition: Hyperpituitarism |
| | The Analyst - Internet Health Report: Condition: Hyperpituitarism | | | This may be due either to autonomous over-production (i.e., from a primary adenoma in this gland [microadenoma, macroadenoma] - cancer of the adenohypophysis is very rare Cancer 79: 804, 1997, J. Neurosurg. | | | Hyperpituitarism is defined to mean too much of one, or perhaps two, of the hormones from the adenohypophysis. |
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http://www.digitalnaturopath.com/cond/C43401.html
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| | Adenohypophysial dopamine content and prolactin secretion in the aged male and female rat. |
| | The time course for recovery of serum PRL levels and anterior pituitary DA contents after both the acute and chronic haloperidol treatment is of longer duration in the aged rat, which is consistent with a decreased rate of clearance of haloperidol in these animals. | | | The actions of acute and chronically administered haloperidol are reversible, with the reduced DA content of the adenohypophysis and the elevated serum concentrations of PRL returning to respective pretreatment levels in both young and aged rats once treatment stops. | | | All of these treatments increased serum PRL levels and reduced DA concentrations in the adenohypophysis of both young and aged rats. |
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http://www.arclab.org/medlineupdates/abstract_3971917.html
(356 words)
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| | Primary Hypophysitis |
| | The anterior pituitary function was not greatly damaged, and no hormonal replacement therapy was necessary. | | | We suggest that this case represents a variant of lymphocytic adenohypophysitis and/or lymphocytic infundibuloneurohypophysitis, in which the chronic inflammatory process involves the infundibulum, adenohypophysis and neurohypophysis. | | | It has been considered that lymphocytic hypophysitis is confined to the adenohypophysis sparing the neurohypophysis, and that diabetes insipidus is not a clinical feature of the disorder. |
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http://www.thedoctorsdoctor.com:16080/diseases/hypophysitis.htm
(2683 words)
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| | Endotext.com - Neuroendocrinology, Hypothalamus, And Pituitary, Pituitary Histopathology in Man: Normal and Abnormal |
| | These latter are characterized by accumulations of dilated, spherulated mitochondria; oncocytic change is most common in gonadotrophs and occurs rarely in other adenohypophysial cells. | | | Follicular cells form around small follicles; they are thought to derive from hormone-secreting cells in response to trauma, compression or degeneration. | | | The adenohypophysis is of endodermal origin, embryologically derived from Rathke's pouch (5). |
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http://www.endotext.org/neuroendo/neuroendo3/neuroendo3.htm
(1619 words)
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| | [No title] |
| | The secretory activities of its 2 parts, the adenohypophysis and the neurohypophysis, are both controlled by a nearby part of the brain, the hypothalamns. | | | These stellate cells may have some phagocytic functions. | | | Hypothalamic activity is controlled by neural connections with other parts of the nervous system and by negative feedback from the hormones produced by the pituitary's target cells. |
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http://www.loyno.edu/~chood/histnotesendo.html
(4938 words)
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| | Endocrine System © 2000 Prof. Atsma |
| | Triggered by ACTH from the adenohypophysis (triggered by corticotropic releasing hormone from the hypothalamus, triggered by the brain's perception of danger, stress, adverse conditions). | | | For this reason, the endocrine system's effects are generally somewhat slower to induce, and are longer lasting than those produced by nervous stimulation. | | | Control of the adenohypophysis: The hypothalamus is indirectly connected to the adenohypophysis by a short blood vessel system called the hypophyseal portal system. |
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http://faculty.ucc.edu/biology-atsma/misc/endo.htm
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| | Handbook of Andrology |
| | Simple, one-to-one, relationships between LH pulses from the adenohypophysis and testosterone pulses from the Leydig cell are often seen, although there are reports that LH pulses are not necessarily followed or preceded by a testosterone pulse. | | | The neurohypophysis, which is composed of the median eminence, infundibular stem and infundibular process, receives neural input from the brain. | | | The pituitary, an endocrine gland connected to the hypothalamus at the base of the brain (Fig. |
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http://www.andrologysociety.com/resources/handbook/ch.2.asp
(946 words)
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| | 4. THE PITUITARY GLAND |
| | The globular or cisternal forms of basophils related to different physiological states of the gonadotropic cell have been correlated with the gonadal cycle. | | | Heretofore, cell types in the fish pituitary have been identified by histochemical techniques and validated by histophysiological experiments (see Ball and Baker, 1969; Nagahama, 1973; Fontaine and Olivereau, 1975). | | | van Oordt and Ekengren (1978) have applied the double antibody immunofluorescent technique for the identification of functional cell types in the adenohypophysis of rainbow trout. |
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http://www.fao.org/docrep/X5742E/x5742e05.htm
(828 words)
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| | Merck Vet. Edition - The Pituitary Gland : Introduction |
| | Secretory cells in the adenohypophysis are often subdivided into chromophils (acidophils, basophils) and chromophobes based on interaction of the secretory granules with pH-dependent histochemical stains. | | | For most pituitary tropic hormones, negative feedback control is accomplished by a feedback loop involving the blood concentration of the hormone produced by the target endocrine gland (eg, thyroid gland, adrenal cortex, ovary, and testis). | | | These releasing hormones are conveyed by the hypophyseal portal system to specific cells in the adenohypophysis, where they stimulate the rapid release of preformed tropic hormones. |
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http://www.merckvetmanual.com/mvm/htm/bc/40500.htm
(734 words)
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| | Pituitary Gland |
| | The function of this structure is not well known or understood. | | | The Colloid is a clear or light staining substance found inside the pouch. | | | This is the safest way to distinguish the two apart when shown together. |
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http://www3.umdnj.edu/histsweb/lab22/lab22pituitary.html
(987 words)
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| | [No title] |
| | The area of the future neurohypophysis, known as the infundibular recess of the third ventricle, may be indirectly indicated by the ectodermal primordium of the adenohypophysis (Rathke’s pouch) which is situated at the summit of the buccopharyngeal membrane. | | | In some embryos it remains in contact with the adenohypophysis, whereas in others the two are separated by mesenchyme. | | | The outgrowth of the neurohypophysis at this stage is becoming marked in 43% of embryos studied by Müller F., O’Rahilly R., (1989a) and the infundibular recess extends into the outgrowth. |
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http://www.ana.ed.ac.uk/anatomy/humat/notes/embryo/gland/pituit.htm
(522 words)
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| | LEAVING MDLinx |
| | Acute loss of adenohypophysis function can be fatal without glucocorticoid and thyroid hormone replacement therapy, and survivors will require lifelong treatment. | | | The syndrome is caused by an infarction in the adenohypophysis, usually precipitated by massive uterine haemorrhage. | | | Sheehan syndrome is the name given to postpartum hypopituitarism. |
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http://www.neurologylinx.com/thearts.cfm?artid=511430&specid=11
(118 words)
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| | Dorlands Medical Dictionary |
| | The adenohypophysis has its origin in the buccal epithelium of the embryo. | | | The adenohypophysis comprises the pars tuberalis; the pars distalis, the main body of the adenohypophysis; and the pars intermedia, which contains cells that secrete β-endorphin, melanotropins, and other regulators but is sometimes considered to be part of the neurohypophysis. | | | (ad”ə-no-hi-po-fiz´e-əl) pertaining to the adenohypophysis; spelled also adenohypophyseal. |
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http://www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_a_14zPzhtm
(1556 words)
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| | Endocrine Surgeon |
| | This travels in the portal system of the hypothalamus to the anterior pituitary (the adenohypophysis). | | | In order to understand the role of the different adenohypophysial hormones, it is necessary to study them each individually: | | | There, it stimulates the cleavage of Pro-opiomelanocortin (POMC) into several molecules including melanocyte stimulating hormone (MSH) and Adrenocorticotrophic Hormone (ACTH). |
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http://www.johnlynn.com/pituitary/pituitary1-6.html
(944 words)
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| | Search Results for adenohypophysis - Encyclopædia Britannica |
| | The pituitary gland (also called the hypophysis) is situated at the base of the brain. | | | The gland itself is composed of three distinct lobes: the anterior lobe (also called the adenohypophysis), the... | | | The arthropods are the largest and most advanced group of invertebrate animals, rivaling and often exceeding the evolutionary success of the vertebrates. |
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http://www.britannica.com/search?query=adenohypophysis&submit=Find&source=MWTAB
(237 words)
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| | PITUITARY ENDOCRINOLOGY |
| | We will first discuss the role of the hypothalamus in regulating secretions by the adenohypophysis, and then describe how the long- and short-loop feedback systems work. | | | ADENOHYPOPHYSIS: There are three portions of the adenohypophysis (anterior pituitary): | | | Short-loop feedback, where the pituitary hormone which is released feeds back to inhibit further release of that hormone. |
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http://www.cwru.edu/dental/web/physio/main_pit_endocr.htm
(3341 words)
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| | SIU SOM Histology ERG |
| | However, these staining characteristics seem to be more reflective of metabolic condition or some other quality than of hormone identity, so that functional identification of these cells is best accomplished with specialized immunohistochemical techniques. | | | Cells of the anterior pituitary form loosely organized clumps and cords associated with a vascular plexus. | | | The anterior pituitary has the character of an epithelial gland, hence the alternative name of adenohypophysis. |
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http://www.siumed.edu/~dking2/erg/pituit.htm
(456 words)
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| | Anatomy and Histology of the Pituitary Gland |
| | The adenohypophysis and neurohypophysis have seperate embryological origins. | | | The adenohypophysis is further classified into several regions. | | | This pattern of staining reflects the chemical character of intracellular hormone-laden granules within the pituitary cells. |
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http://arbl.cvmbs.colostate.edu/hbooks/pathphys/endocrine/hypopit/histo.html
(190 words)
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| | SIU SOM Histology GI |
| | The pituitary consists of two distinct parts, the anterior adenohypophysis and the posterior neurohypophysis. | | | The adenohypophysis contains epithelial endocrine cells arranged into cords and clusters. | | | In between the anterior and posterior pituitary is a small region of the adenohypophysis, the pars intermedia, which contains epithelially-lined follicles. |
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http://www.siumed.edu/~dking2/erg/EN008b.htm
(65 words)
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| | Clip Art of Orientation drawing showing location of the pituitary. - Search Clipart Illustration Drawings and Images - ... |
| | adenohypophysis, anatomy, drawing, emergency, ems, endocrine, endocrinology, head, internal, location, medicine, nervous, neurology, orientation, pediatrics, pituitary, surgery, illustration, illustrations, clip art, clipart, picture, pictures, graphic, graphics, drawing, drawings, artwork, royalty free | | | This image / clip is not available for individual purchase. |
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http://www.fotosearch.com/LIF115/sa401042
(214 words)
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| | Endocrine |
| | However, adenohypophysis can be easily identified by the cords of glandular looking cells whereas the neurohypophysis is much more fibrous looking with a scattering of cells, most of which are pituicytes. | | | Chromophobes are probably located where nuclei are relatively concentrated. | | | The RBCs have faded considerably making it difficult to even identify the vasculature. |
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http://www.fsu.edu/~histo/thi~1.htm
(1628 words)
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| | LLU - ENDOCRINE HISTOLOGY |
| | Venous drainage is primarily to the cavernous sinus, but under some circumstances it may flow backward in infundibulum so that adenohypophyseal hormones can go directly to the hypothalamus. | | | Follicle stimulating hormone (FSH) is also produced by gonadotropes. | | | These capillaries drain into hypophyseal portal veins which pass around and through the pars tuberalis to the sinuses of the adenohypophysis to control release of its hormones. |
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http://www.llu.edu/llu/medicine/anatomy/glossary/syllabus/Endocrine.htm
(1510 words)
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| | [No title] |
| | Typically, the glial cells most often occur adjacent to fenestrated capillaries. | | | [18-4]: H & E- The hypophysis is formed from a stalk of tissue descending from the diencephalon (upper left) which forms the neurohypophysis, and an outpocket of oral ectoderm which rises up to form Rathke’s pouch (lower right) to form the adenohypophysis. | | | [18-7]: H & E- The adenohypophysis consists of the pare distalis (anterior pituitary), the pars intermedia characterized by cysts of colloid, and the pars tuberalis which forms a partial collar around the stalk of the infundibulum. |
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http://www.georgetown.edu/dml/educ/hist/lab18/lab18.txt
(562 words)
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| | [No title] |
| | (e) Hypothalamic regulation of the adenohypophysis is via the hypothalamo-hypophyseal portal circulation, and for gonadotrophins, ACTH, and TSH, functions by negative feedback thus: | | | (a) Adenohypophysis develops from the ectodermal Rathke's pouch above the oral cavity. |
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http://wberesford.hsc.wvu.edu/histolch27.htm
(2593 words)
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| | [No title] |
| | (2) Negative feedback on hypothalamus and adenohypophysis, except at mid-cycle when progesterone acts w/ estrogen to trigger LH surge. | | | In luteal phase, progesterone decreases GnRH pulse frequency, but increases amplitude of LH release from adenohypophysis. | | | Nocturnal peak occurs shortly after sleep onset. Hyperprolactinemia The most common HPA disorder.w HPA - breast: (1) Suckling reflex stimulates hypothalamus to release more factors promoting PRL synthesis and release. HPA - Hypothalamus hormones: (1) DA - inhibits PRL release via D2 receptors at adenohypophysis. |
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http://www.people.virginia.edu/~mal6f/Mark/Medical/Excel_files/Pharmacology/endocrine.xls
(4313 words)
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| | EMU Biol301 - Lecture #2: Brain and Pituitary Gland |
| | May be same neurohormone as TRH (which stimulates thyrotropin secretion) or may be vasoactive-intenstinal peptide (VIP), a common neurotransmitter in the nervous system | | | estrogen also increases response of prolactin-secreting cells in adenohypophysis to PRH | | | is one of the two divisions of hypophysis (other is adenohypophysis) |
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http://www.emu.edu/courses/biol302a/u1lec02/u1lec02.htm
(2145 words)
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| | Endocrine Pathology |
| | The staining is variable, and to properly identify specific hormone secretion, immunohistochemical staining is necessary. | | | The pale staining chromophobes have few cytoplasmic granules, but may have secretory activity. | | | The normal microscopic appearance of the adenohypophysis is shown here. |
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http://www-medlib.med.utah.edu/WebPath/ENDOHTML/ENDO093.html
(79 words)
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| | Leptin Acts at the Bovine Adenohypophysis to Enhance Basal and Gonadotropin-Releasing Hormone-Mediated Release of ... |
| | Leptin Acts at the Bovine Adenohypophysis to Enhance Basal and Gonadotropin-Releasing Hormone-Mediated Release of Luteinizing Hormone: Differential Effects Are Dependent upon Nutritional History -- Amstalden et al. | | | Leptin Acts at the Bovine Adenohypophysis to Enhance Basal and Gonadotropin-Releasing Hormone-Mediated Release of Luteinizing Hormone: Differential Effects Are Dependent upon Nutritional History | | | Copyright © 2003 by the Society for the Study of Reproduction. |
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http://www.biolreprod.org/cgi/content/abstract/69/5/1539
(523 words)
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| | Review Glossary |
| | cell of the adenohypophysis which does not stain | | | cell of the adenohypophysis which releases LH and FSH | | | cell of the adenohypophysis which produces ACTH and LPH |
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http://medinfo.ufl.edu/year1/histo/glossary.html
(6519 words)
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