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Topic: Carotid body



  
 Peripheral chemoreceptors in health and disease -- Prabhakar and Peng 96 (1): 359 -- Journal of Applied Physiology
the attenuation of the hypoxic ventilatory response in carotid
Relative responses of aortic body and carotid body chemoreceptors to carboxyhemoglobinemia.
Induction of sensory long-term facilitation in the carotid body by intermittent hypoxia: implications for recurrent apneas.
http://jap.physiology.org/cgi/content/full/96/1/359

  
 [No title]
Treatment The treatment of choice for most carotid body paragangliomas is surgical excision.
The function of the carotid body is related to its role in the autonomic control of the respiratory and cardiovascular systems.
Histologically, the paraganglioma is similar to the normal carotid body except that clusters tend to be larger(Zellballen formation).
http://www.utmb.edu/oto/Grand_Rounds_Earlier.dir/Carotid_Body_Tumor_1995.txt

  
 carotid body
Vascular analysis of the carotid body in the spontaneously hypertensive rat.
Carotid body dopamine response to acute hypoxia in developing rabbits.
Effect of dopamine on hypoxic ventilatory response of sedated piglets with intact and denervated carotid bodies.
http://www.arclab.org/node_pages/2250.html

  
 Mit Hängen und Würgen: Carotid sinus reflex death - a theory and its history
Although unilateral carotid body massage, which involves applying pressure to one side of the neck only, is a therapeutic technique used in medicine to slow a fast heart rate, bilateral massage is never applied unless resuscitative equipment is available in case of cardiac arrest.
The carotid sinus is a focal area of enlargement of the common carotid artery at the point it bifurcates into the external and internal carotid arteries.
While the presence of congestive/petechial signs means with some certainty that no carotid sinus reflex death has taken place, one can not simply conclude that in their absence a carotid sinus reflex death must have been the cause of death.
http://www.datenschlag.org/howto/atem/english/csr.html

  
 From: The Director 69 (6) :6,8,12,14, 1997 Jun
Our first choice in vessels for the embalming of the unautopsied body in the 1990s has been and continues to be the use of both the right and left common carotid arteries—restricted cervical injection.
It is rare today that we see any body that still has body heat, discolorations are present in and on almost every body, delays can last several days when a medical examiner’s office is involved or the deceased is a long bone donor.
The femoral vessels in the obese body can be quite deep seated and may be difficult to raise to the surface of the incision.
http://www.biomed.lib.umn.edu/hw/cervinj.html

  
 [No title]
ANATOMY AND FUNCTION OF PARAGANGLIA Carotid bodies are located in the adventitia of the posteromedial aspect of the bifurcation of the common carotid artery.
Radiotherapy for chemodectoma of the carotid body and ganglion nodosum.
http://www.utmb.edu/otoref/Grnds/paragang-9812/paragang-9812.doc

  
 Prenatal hypoxia impairs the postnatal development of neural and functional chemoafferent pathway in rat -- Peyronnet ...
In the carotid bodies of the Cont group, a gradual increase in the levels of dopamine and its main metabolite DOPAC was observed from 1 to 9 weeks of age.
The ventilatory response to hypoxia was used to determine the degree of functional integrity of the chemoreflex pathway.
In the Hypo rats, the reduced dopamine content in carotid bodies might contribute to the lack of significant hypoxic response thus suggesting that these rats were less sensitive than the controls.
http://jp.physoc.org/cgi/content/full/524/2/525

  
 Chapter 4
The afferent impulses from the carotid bodies travel in the glossopharyngeal (IXth cranial) nerve and those from the aortic bodies are conveyed by the vagus (Xth cranial) nerve.
The vasoconstriction in the contralateral, un-immersed hand and other parts of the body is due to the reflex action alone.
The other set is the aortic baroreceptors located in the wall of the arch of the aorta (see diagram on cardiovascular reflex pathway).
http://www.columbia.edu/~kj3/Chapter4.htm

  
 ATP triggers intracellular Ca2+ release in type II cells of the rat carotid body -- Xu et al. 549 (3): 739 -- The ...
Carotid body chemoreceptors: from natural stimuli to sensory discharges.
Co-release of ATP and ACh mediates hypoxic signaling at rat carotid body chemoreceptors.
Immunohistochemical approach to the study of cat carotid body.
http://jp.physoc.org/cgi/content/full/549/3/739

  
 SIDS
The confusion occurs upon analysis of the carotid body.
One respiratory control center which has been of particular interest to researchers has been the peripheral chemoreceptor, the carotid body.
This area surrounds the level of various circulating substances within the body of a SIDS infants.
http://web.indstate.edu/thcme/anderson/KM.html

  
 Modulation of baroreceptor activity by gene transfer of nitric oxide synthase to carotid sinus adventitia -- Meyrelles ...
Nitric oxide in the sensory function of the carotid body.
Höhler, B, Mayer B, and Kummer W. Nitric oxide synthase in the rat carotid body and carotid sinus.
Consequently, the carotid sinus pressure corresponding to EP
http://ajpregu.physiology.org/cgi/content/full/284/5/R1190

  
 eMedicine - Glomus Tumor (Head and Neck) : Article by Robert A Koenigsberg, DO, MSc, FAOCR
Whenever external carotid embolization is performed, care must be taken to avoid inadvertent extracranial-intracranial embolization and the subsequent the risk of stroke.
Glomus tumors are believed to result from an overresponse to a change in body homeostasis.
The major paraganglia that do not undergo involution are the carotid bodies.
http://www.emedicine.com/RADIO/topic309.htm

  
 Norepinephrine Inhibits a Toxin Resistant Ca2+ Current in Carotid Body Glomus Cells: Evidence for a Direct G Protein ...
, J. Noradrenergic glomus cells in the carotid body: an autoradiographic and immunocytochemical study in the rabbit and rat.
, N. Nitric oxide in the sensory function of the carotid body.
channel currents in type I carotid body cells of normoxic and chronically hypoxic neonatal rats.
http://jn.physiology.org/cgi/content/full/81/1/225

  
 Role of the carotid bodies in chemosensory ventilatory responses in the anesthetized mouse -- Izumizaki et al. 97 (4): ...
We conclude that the carotid bodies are essential for maintaining
with a whole body, single-chamber plethysmograph before and
Department of Physiology, Showa University School of Medicine, Tokyo 142-8555, Japan; and
http://www.jap.org/cgi/content/abstract/97/4/1401

  
 Fetal cardiovascular and breathing responses to an adenosine A2a receptor agonist in sheep -- Koos and Chau 274 (1): ...
Restoration of hypoxic respiratory responses in the awake rat after carotid body denervation by sinus nerve section.
bodies together with interruption of the vagi abolished the hyperpnea
stimulation of the carotid bodies triggers the bradycardia through
http://ajpregu.physiology.org/cgi/content/full/274/1/R152

  
 The ChemoReception Web
The NEP-like activity of the carotid body was further characterized using a monoclonal antibody to human neutral endopeptidase, EC 3.4.24.11.
Analyses of the cell-free extracts showed the occurrence of both NEP and SP-hydrolyzing activities in the rabbit and rat carotid bodies although at 2- and 4-fold lower levels respectively than that observed in the cat carotid body.
Peptidases of the peripheral chemoreceptors: Biochemical, immunological, in vitro hydrolytic studies and electron microscopic analysis of neutral endopeptidase-like activity of the carotid body
http://md1.csa.com/crw/1998/intern06.html

  
 Carotid sinus syndrome is common in dementia with Lewy bodies and correlates with deep white matter lesions -- Kenny et ...
in SBP during carotid sinus massage was greater with DLB (40
during right sided supine carotid sinus massage (CSM).
of carotid sinus hypersensitivity (CSH) in patients with dementia
http://www.jnnp.com/cgi/content/abstract/75/7/966

  
 Physiological and Pathological Responses to Hypoxia -- Michiels 164 (6): 1875 -- American Journal of Pathology
Carotid bodies are highly vascularized organs, located at the
sensing in neuroepithelial and carotid bodies therefore exhibits
bodies, a number of lines of evidence point toward a significant
http://ajp.amjpathol.org/cgi/content/full/164/6/1875

  
 Carringt
The carotid body appears to also be involved with the development of the respiratory process.
This plays a role in the aspect of certain neurotransmitters which are vital to the human body.
The reasoning for this is due to an experiment in which the carotid bodies of lambs were denervated.
http://web.indstate.edu/thcme/anderson/GB.html

  
 Molecular physiology of oxygen-sensitive potassium channels -- Patel and Honoré 18 (1): 221 -- European ...
A rapid response to environmental hypoxia is a reflex increase
RT-PCR analysis revealed, as described for carotid body type
Keywords: Acute hypoxia, neutroepithelial body cells, oxygen sensors, potassium channel
http://erj.ersjournals.com/cgi/content/full/18/1/221

  
 Regulation of Catecholamines by Sustained and Intermittent Hypoxia in Neuroendocrine Cells and Sympathetic Neurons -- ...
Verna A, Schamel A, Pequignot J-M. Long-term hypoxia increases the number of norepinephrine-containing glomus cells in the rat carotid body: a correlative immunocytochemical and biochemical study.
content in carotid bodies but not in sympathetic ganglia or
Fletcher EC, Bao G. The rat as a model of chronic recurrent episodic hypoxia and effect upon systemic blood pressure.
http://hyper.ahajournals.org/cgi/content/full/42/6/1130

  
 XI. Splanchnology. 1F. The Chromaphil and Cortical Systems. Gray, Henry. 1918. Anatomy of the Human Body.
Glomus Caroticum (Carotid Glands; Carotid Bodies) —The carotid bodies, two in number, are situated one on either side of the neck, behind the common carotid artery at its point of bifurcation into the external and internal carotid trunks.
None have been found with the sympathetic ganglia associated with the branches of the trigeminal nerve.
Shaw, G.B. Stein, G. Stevenson, R.L. Wells, H.G. Reference > Anatomy of the Human Body > XI.
http://www.bartleby.com/107/277.html

  
 Airway Chemotransduction: From Oxygen Sensor to Cellular Effector -- Kemp et al. 166 (12): 17 -- American Journal of ...
In the carotid body and pulmonary vasculature, the idea that
Model for hypoxic pulmonary vasoconstriction involving mitochondrial oxygen sensing.
actions of hypoxia in isolated carotid body glomus cells ( 27).
http://ajrccm.atsjournals.org/cgi/content/full/166/12/S1/S17

  
 Gratzl
We will analyze these systems with the aim to characterize the carotid bodies as a valuable source in therapeutic autotransplantation during the treatment of Parkinson’s disease.
Properties of the carotid bodies used for autotransplantation during therapy of Parkinson’s disease
The biosynthesis of dopamine in the carotid bodies via tyrosine hydroxylase and its regulation is extensively investigated.
http://www.lrz-muenchen.de/~Marie_Curie/html/gratzl.html

  
 Control of respiration: Information From Answers.com
Monitoring of the blood is by central chemoreceptors in the medulla oblongata and peripheral chemoreceptors located in the carotid bodies and aortic bodies.
Afferent neurons from the carotid bodies and aortic bodies are via the glossopharyngeal nerve (CN IX) and the vagus nerve (CN X), respectively.
Ventilation is reflexively inhibited by an increase in arterial partial pressure of oxygen and by a decrease in arterial partial pressure of carbon dioxide.
http://www.answers.com/topic/control-of-respiration

  
 Untitled
The aortic and carotid bodies also seem sensitive.
Oxygen detection by aortic bodies and carotid bodies.
at carotid bodies and aortic bodies and found increased ventilation.
http://www.mrs.umn.edu/~goochv/HAP/lectures/resp/resp.html

  
 Glomus body - Enpsychlopedia
The role of the glomus body is to shunt blood away from the skin surface when exposed to cold temperature, thus preventing heat loss, and allowing maximum heat flow to the skin in warm weather to allow heat to dissipate.
The glomus body is not to be confused with the glomus cell which is a kind of chemoreceptor found in the carotid bodies and aortic bodies.
A glomus body (or glomus apparatus) is a component of the dermis layer of the skin, involved in body temperature regulation.
http://www.grohol.com/psypsych/Glomus_body

  
 carotid bodies
carotid body paragan glioma (chemodectoma, nonchromaffin paragan glioma)
Carotid bodies, as aortic bodies, are chemoreceptors specialized to detect changes in the blood pH and oxygen tension.
Contact us at humpath2004@yahoo.ca if you want to be the curator of this page or this section.
http://www.humpath.com/article.php3?id_article=4470

  
 Respiration2
impulses are transmitted to medulla via the the glossopharyneal nerve IX (carotid bodies) and the vagus nerve X (aortic bodies);
located in aortic (in aortic arch) and carotid bodies ( carotid arteries);
sensitive to low p02 (carotid bodies) and increased [H+] (both receptors);
http://phclweb.wo.utoledo.edu/2620/Resp2.html

  
 Carotid body - Wikipedia, the free encyclopedia
A paraganglioma is a tumor that may involve the carotid body.
The carotid body is a small cluster of chemoreceptors, baroreceptors, and supporting cells located near the bifurcation of the carotid artery.
The medulla, in turn, regulates breathing and blood pressure.
http://en.wikipedia.org/wiki/Carotid_body

  
 027.DEATHS FROM HANGING
The sensitivity of Carotid bodies differs in different people.
In some people, especially women, the Carotid bodies are so sensitive to pressure that a mere touch on the neck would cause the heart to slow down or even stop.
This causes the Carotid bodies to interpret ( although falsely) that there was an abnormal rise in blood pressure.
http://www.fortunecity.com/tatooine/williamson/235/sicd027.html

  
 Glomus cell - Enpsychlopedia
A glomus cell is a peripheral chemoreceptor, located in the carotid bodies and aortic bodies, that helps the body regulate breathing.
The glomus cell is not to be confused with the glomus body found in the dermis layer of the skin.
), the carotid bodies and the aortic bodies signal the medulla oblongata to increase the volume and rate of breathing.
http://www.grohol.com/psypsych/Glomus_cell

  
 Directory of open access journals
The carotid body of the spontaneous insulin-dependent diabetic rat
The increase in size of the carotid body in diabetic rats is due, therefore, to an augmented extravascular volume.
The extravascular volume followed the same pattern as the total carotid body volume and so did not change appreciably when expressed as a percentage of the total volume of the organ.
http://www.doaj.org/abstract?id=24486&toc=y

  
 Mycorrhizal Citations
Also, cyclic AMP levels in carotid bodies increased from 1.98+/-0.6 to 9.0+/-2 pmol/mug protein in response to hypercapnia.
The effects of CO2 on Ca2+ current were monitored in glomus cells isolated from rabbit carotid bodies using both perforated and conventional patch-clamp techniques.
The carotid bodies respond to changes in arterial O-2,CO2, and pH, and Ca2+ influx via voltage-gated Ca2+ channels is an important step in the chemoreception process.
http://mycorrhiza.ag.utk.edu/latest/latest02/02_8summe1.htm

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