|
| |
| | ICI - Online Information article about ICI |
 | | pallium and no intestine, hermaphrodite, larvae with operculum. | | | The shell is usually well developed, except in Runcina and Cymbuliidae, and may be external or internaL No operculum, except in Actaeonidae and Limacinidae. | | | Mucronalia, foot reduced, but still operculate, eyes present, animal fixed by its very long proboscis which is deeply buried in the tissues of an Echinoderm, no pseudopallium. |
|
http://encyclopedia.jrank.org/I27_INV/ICI.html
(7894 words)
|
|
| |
| | World Intellectual Property Organization |
| | A hot air balloon according to claim 2, wherein the second control means comprises a deflation line connected to the underside of the vent panel at a plurality of arcuately spaced-apart locations on an inner periphery of the underside of the vent panel, radially spaced outwardly from the centre of the vent panel. | | | Alternatively the deflation line may be connected to the underside of the vent panel at a plurality of arcuately spaced-apart locations on an inner periphery of the vent panel, radially spaced outwardly of the centre of the vent panel but radially spaced inwardly of the outer perimeter of the operculum or vent panel. | | | open the vent is increased during the landing phase, due to pressure from the escaping air which tends to force the parachute operculum vent back up against the aperture. |
|
http://www.wipo.int/ipdl/IPDL-CIMAGES/view/pct/getbykey5?KEY=01/26963.010419&ELEMENT_SET=DECL
(3456 words)
|
|
| |
| | Glossary for the Bryozoa |
| | Articulated part of an avicularium, moved by muscles, and homologous with the operculum of an autozooid (Hayward and Ryland, 1977). | | | One of a pair of oppositely placed protuberances on which the operculum pivots in some ascophoran cheilostomes (Hayward and Ryland, 1979). | | | The group of cheilostomes, or the type of frontal shield, in which the calcified frontal wall includes a series of fused (or partly fused) spines arching over the frontal membrane and operculum. |
|
http://www.civgeo.rmit.edu.au/bryozoa/glossary.html
(5202 words)
|
|
| |
| | Centre for Plant Biodiversity Research |
| | Sepals free at tips but fused to petaline operculum. | | | Sepaline and petaline opercula present, sepals (outer operculum) either shedding before anthesis or (very rarely) becoming fused with petaline operculum. | | | Seeds dorsiventrally compressed, petals fused into an operculum, sepaline operculum shedding shortly before anthesis, stigma with short papillae. |
|
http://www.anbg.gov.au/projects/eucalypts/eucalypts.groups.html
(913 words)
|
|
| |
| | OpercularGills |
| | reduced septa, no gill slits, no spiracle, fleshy operculum, anterior and posterior hemibranches | | | septa may be virtually absent, no gill slits, bony operculum present, may or may not have spiracle with pseudobranch | | | septa may be virtually absent, gill pores present, fleshy operculum present, may or may not have spiracle with pseudobranch |
|
http://www.sewanee.edu/biology/Berner/AnatomyQuiz/Gills/OpercularGills.html
(69 words)
|
|
| |
| | PottAloina |
| | Sexual condition monoicous or dioicous, perigonia distinct, with non-cucullate unfolded leaves, perichaetia sometimes partly differentiated, the inner leaves with unfolded blades. | | | rigida, but the synoicous condition and the cylindric capsules with a conical operculum are diagnostic. | | | Aloina brevirostris are usually short, and cucullate with a reduced lamina; forms with larger laminae may be confused with |
|
http://www.mobot.org/plantscience/BFNA/v1/PottAloina.htm
(1053 words)
|
|
| |
| | Palaeos Vertebrates: Bones: Dermal Bones: Opercular Series: Overview |
| | Let's try it again: review the image of Amia at right. | | | Below each operculum is an oblong bone, the subopercular. | | | The opercular is a plate-like bone which covers the operculum, the structure which protects and operates the internal gills. |
|
http://www.palaeos.com/Vertebrates/Bones/Dermal/Opercular.html
(1112 words)
|
|
| |
| | Muricidae @ Tonyshells Home of Quality Land Snails and Sea Shells, Fresh Water Specimens and a whole lot more . . . |
| | 0030 - Globose body, With recurved spine, With operculum 117mm, F+++/GEM, $15.00 | | | 0028 - Elongated, With long recurved spine, With operculum 122mm, F+++/GEM, $15.00 | | | 0033 - Long recurved spine, With operculum 108mm, F+++/GEM, $15.00 |
|
http://muricidae.freefronthost.com/muricidae/muricidae0000.htm
(370 words)
|
|
| |
| | [No title] |
| | In this case, for exhalation, the sphincter muscle surrounding the glottis relaxes and brings swallowed air into the buccal cavity where it is expelled or vented through the operculum. | | | Gas bladder breathing is usually done using tidal ventilation or pulse ventilation. | | | Closes mouth and compresses air to force it into gas bladder/lung |
|
http://comenius.susqu.edu/bi/302/Lecture21.htm
(692 words)
|
|
| |
| | Interaction of Gustatory and Lingual Somatosensory Perceptions at the Cortical Level in the Human: a Functional ... |
| | The present study confirmed the critical involvement of both | | | operculum was activated in nine and six subjects and the temporal | | | Activations may be seen in the superior insula (subjects BRUN and CRA, slice 3), the inferior insula (subjects BRUN, YVE and CRA, slice 1), the frontal operculum (subjects BRUN and CRA, slice 3), the rolandic operculum (subject YVE and CRA, slice 3) and the temporal operculum (subject YVE, slice 1). |
|
http://chemse.oxfordjournals.org/cgi/content/full/26/4/371
(6871 words)
|
|
| |
| | Kaiko |
| | There are some things I can say which I feel are very reliable: | | | Ancient Japanese formulas both describe the use of it, and the preparation. | | | There is even question among some Hebrew experts whether Onycha was a Mollusc operculum. |
|
http://www.oller.net/kaiko.htm
(422 words)
|
|
| |
| | abalone -- Encyclopædia Britannica |
| | Many saltwater snails breathe by means of gills instead of lungs. | | | With their wines, gourmets enjoy lobsters and prawns, abalone and scallops, and the delicate Sydney rock oyster, for which ready export markets exist, especially in Asia. | | | Like some land snails, marine snails can seal the opening of the shell with the operculum. |
|
http://www.britannica.com/eb/article?tocId=9003222
(748 words)
|
|
| |
| | The Neuroinformatics Portal Pilot - Parietal operculum |
| | Announcing a new journal: Applied Bionics and Bi... | | | Plone makes heavy use of CSS, which means it is accessible to any internet browser, but the design needs a standards-compliant browser to look like we intended it. | | | Superior parietal lobe, Cerebral cortex, Parietal operculum, Limbic lobe, Frontal lobe, Postcentral gyrus, Temporal lobe, Olfactory tract, Parietal lobe, Telencephalon, Inferior parietal lobe, Occipital lobe, Angular gyrus, Insula, Supramrginal gyrus, Precuneus, Olfactory bulb |
|
http://www.neuroinf.de/kw_storage/parietal_operculum
(105 words)
|
|
| |
| | Operculum - Wikipedia, the free encyclopedia |
| | The operculum is part of the inferior frontal gyrus of the frontal lobe in the brain. | | | The operculum has a concentric structure and a nucleus near the parietal margin (close to the umbilicus). | | | This fingernail-like structure seals the aperture, serving as a cover against predators when the snail body is retracted. |
|
http://en.wikipedia.org/wiki/Operculum
(371 words)
|
|
| |
| | * Operculum - (Aquarium): Definition |
| | You will also often see a mislabeling of the S... | | | External parasites are found on the body surface, under the operculum and inside the mouth. | | | Operculum On most bony fishes like goldfish, cichlids or tangs, there's a single opening on each side of the head... |
|
http://www.bestknows.com/aquarium/operculum.html
(619 words)
|
|
| |
| | Rhachitheciaceae |
| | Operculum plano-mammillate to conic-apiculate or rostrate and often oblique. | | | Zander (1993) excluded Tisserantiella in the treatment of the Pottiaceae, suggesting the Rhachitheciaceae, and this was confirmed by Goffinet (1998a - see family ref.). | | | Peristome single, with 8 pairs of fused teeth; teeth incurved when moist, recurved when dry, smooth; annulus bistratose (two distinct layers), with both concentric layers uniseriate, caducous to persistent. |
|
http://www.oshea.demon.co.uk/tbr/rhac.htm
(1674 words)
|
|
| |
| | Macropora |
| | A cryptocystal operculum and a new method of lophophore protrusion in the cheilostome bryozoan Macropora levinseni. | | | Avicularia may exist, similar in size and aspect to an autozooid, but differing in their orifices that are roughly square or rectangular in shape, usually with external denticles in their distal edge and acute teeth directed downwards, not visible when the orifice is closed. | | | The ovicell is closed by the operculum of the maternal zooid, which has two positions of closure: an upper one for the ovicell and, below this, a position for the zooid. |
|
http://civgeo.rmit.edu.au/bryozoa/cheilostomata/macroporidae/macropora.html
(274 words)
|
|
| |
| | Page Title |
| | The operculum is manufactured by the animal in much the same way as the shell, but by the foot, not the mantle. | | | They have no need for an operculum, and, indeed, it would be in the way. | | | Most mollusks make their opercula of horny conchiolin. |
|
http://home.att.net/~k.thorsson/Month1/page13.html
(591 words)
|
|
| |
| | Operculata |
| | A perforated operculum of Pomatias olivieri has been figured in Mienis (1990. | | | The source of the "Sechelet, Zipporen or Onycha" has still to be solved. | | | It is produced by a separate organ, the opercular disc, a pad of specialized secretory epithelial cells located right where the operculum is attached - on the posterior, dorsal aspect of the foot. |
|
http://www.manandmollusc.net/operculum_paul.html
(2075 words)
|
|
| |
| | MACULAR HOLES |
| | When a patient advances in age, the vitreous, which is normally attached to the retina, tends to become detached from it, but it often remains attached to the macula (Figure 17). | | | The development of a macular hole is divided in 4 stages. | | | The development of a full macular hole may take months. |
|
http://www.macula.com/macular_holes.htm
(830 words)
|
|
| |
| | Morphology - Table 8c |
| | Operculum is slightly flattened and fits into shoulder area of shell. | | | Small lateral spine, not always visible or may appear as a small "knob" in a depression in the shell. | | | Small, ovoidal, or elongated with broad rounded posterior end and a convex operculum resting on "shoulders." A small "knob" may be seen on the posterior end. |
|
http://dpd.cdc.gov/DPDX/HTML/Frames/MorphologyTables/body_morph_table8c.htm
(313 words)
|
|
| |
| | operculum - definition of operculum by the Free Online Dictionary, Thesaurus and Encyclopedia. |
| | 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. | | | As this species has a thick calcareous operculum, I removed it, and when it had formed a new membranous one, I immersed it for fourteen days in sea-water, and it recovered and crawled away: but more experiments are wanted on this head. | | | [6] The large claws or pincers of some of these crabs are most beautifully adapted, when drawn back, to form an operculum to the shell, nearly as perfect as the proper one originally belonging to the molluscous animal. |
|
http://www.thefreedictionary.com/operculum
(231 words)
|
|
| |
| | Satanoperca cf. leucosticta "Amazonas Red"; An Immediate Mouth-Brooding Demonfish from the Rio Amazonas |
| | Admittedly, at this point I pre-maturely concluded that these were probably going to be delayed mouth-brooders, as all of the popular accounts would have suggested. | | | According to Kullander (1989), Satanoperca leucosticta, described from Surinamese material, is separated from the other named species of Satanoperca, in part, on the basis of light spots on the cheek and operculum. | | | However, there are also fishes that find their way into the aquarium trade that exhibit significant variation in the pattern of cheek and operculum spots and lines on the snout. |
|
http://www.cichlid-forum.com/articles/sat_cf_leucosticta_amazonred.php
(2684 words)
|
|
| |
| | Animal Behavior: "Groggy Goldfish" |
| | After a discussion of hibernation, students will predict what will happen to the operculum counts when the temperature of water is lowered. | | | Performance Assessment: Students should be able to take accurate readings of the temperature of water. | | | Throughout the investigation students will communicate, observe, measure, interpret, and record data correctly. |
|
http://www.iit.edu/~smile/bi9207.html
(364 words)
|
|
| |
| | Histological Study of Myelinated Nerve Fibers of the Extreme Capsule in Human Brain |
| | The associated fibers in the extreme capsule can be divided intothree groups: 1) Long and well known association fibers, 2) Short association fibers,and 3) Association fibers which connect frontoparietal operculum with temporaloperculum. | | | The authors believe that the latter group can be called "Intermediateassociation fibers". | | | Most of these fibers placed in lateral part of the extremecapsule terminated in dorsal part of insular gyri. |
|
http://royaninstitute.org/yakhteh/y10-4.htm
(314 words)
|
|
| |
| | S. Peter Dance - "Rare Shells" |
| | SIZE: 122.4 mm CONDITION: Near GEM Chip out of protoconch is all that prevents this from being GEM. | | | This specimen has little or no sand in the dorsum as is common. | | | SIZE: 94.2 mm (horn to siphon) CONDITION: GEM with Operculum From Rizal Beach in Guam. |
|
http://lasermail.com/genes-stuff/Shells/Dance50/Dance50.htm
(1280 words)
|
|
| |
| | #template_BFNA_ProvPubl |
| | Capsule stegocarpous, exerted, short- to long-cylindric, annulus present, operculum cells in twisted rows; peristome present, fragile and often adherent to the operculum. | | | Faint thickenings reminiscent of a rudimentary peristome can sometimes be found associated with spore sac remnants dug out of the operculum. | | | This is the most common species, and serves to stabilize arid soils (S. Flowers 1973). |
|
http://www.mobot.org/plantscience/bfna/V1/PottPterygoneurum.htm
(998 words)
|
|
| |
| | Great Lakes Water Life Photo Gallery - Benthic Invertebrates - Gastropoda |
| | There are few readily observable characters, other than those of the shell, but shells vary as much within as between families. | | | Adult whole animals can best be identified using a combination of shell and operculum (the valve used to close the shell) plus external body characters. | | | Caution - The operculum is often lost from dead animal shells. |
|
http://www.glerl.noaa.gov/seagrant/GLWL/Benthos/Mollusca/Gastropods/Gastropoda.html
(313 words)
|
|
| |
| | Biologybase: External Fish Anatomy: Operculum |
| | The back edge of the operculum roughly defines the junction between head and body on most fishes. | | | Operculum - bony plate covering the gill chamber and forming most of the side of the head behind the eye. | | | Cartilaginous fishes (sharks, rays and sturgeons for example) have gill slits - simple flaps of skin that cover the gill opening. |
|
http://www.interaktv.com/fishanat/operculum.html
(87 words)
|
|
| |
| | Pomacea Bridgessii, apple snail Profile, with care information |
| | Bridgesii generally mature at approximately 2 ½ inches in diameter and are characterized by a breathing siphon, 2 sets of tentacles (1 located by the mouth and one near the eyes) and an operculum (trapdoor). | | | The color of the operculum varies from light to dark brown. | | | The structure is concentric with the nucleus near the center of the shell. |
|
http://badmanstropicalfish.com/profiles/profile92.html
(1209 words)
|
|
| |
| | Marine biology - Open Encyclopedia |
| | Fishes inhabit the largest, (by volume) biome on planet earth and since they exist in a watery environment it means that very different biological functions have evolved. | | | Fish breathe under water by extracting oxygen from sea water through their gills. | | | Fish anatomy includes two chamber heart, operculum, secretory cells that produce mucous, swim bladder, scales, fins, gills, lips and eyes. |
|
http://open-encyclopedia.com/Marine_biology
(1560 words)
|
|
| |
| | GLOSSARY of (Phasmida: Insecta) of New Guinea |
| | convex, often used to describe an anal segment, operculum or cerci with a circular terminal border. | | | pointed, often used to describe the shape of an anal segment or operculum with a terminal border which has a sharp tip. | | | inwardly cut out, used to describe an anal segment or operculum with a forked terminal border. |
|
http://home.planet.nl/~herwa073/phasmida/glossary.htm
(743 words)
|
|
| |
| | Video DB Record |
| | Operculum features seven cosmetic surgeons specializing in blepharoplasty (eyelid operation), within the West Hollywood, Beverly Hills area, while they are conducting initial consultation sessions for cosmetic surgery on the upper and lower eyelids on an Asian woman, the artist. |
|
http://www.law.upenn.edu/cf/biddle/videodb/v_record.cfm?id=1706
(39 words)
|
|
| |
| | Gill Opening Exercise |
| | Determine the number of times the operculum opens and closes in 1 minute. | | | Wait one minute and then count the number of times the operculum opens and closes for 1 minute. | | | Place a thermometer into the water and position it where it can be easily read without disturbing the fish. |
|
http://core.ecu.edu/phys/flurchickk/Lectures/NCSLP/Presentations/mathematicaEnv/fishLab.html
(449 words)
|
|
| |
| | DOC TITLE |
| | Uses radula and chemical secretion to bore small hole in shells of other molluscs whose bodies are then dissolved and absorbed. | | | Has no operculum but clings tightly to rocks when disturbed and during low tides. | | | Adapted for life in driest of intertidal zones (a) reduced size means less area for evaporation (b) hard shell protects animal from falls (doesn't cling tightly) and predation (c) operculum closes body off inside shell protecting it against desiccation and predation (d) gills well supplied with blood vessels and acts as a lung. |
|
http://www.wcape.school.za/subject/biology/marine/mollusc.htm
(521 words)
|
|
| |
| | KEY TO THE GENERA OF NECROSCIINAE (Phasmida: Insecta) of New Guinea |
| | Operculum excised or emarginate at the hind margin. | | | Operculum narrow at the hind margin, convoluted, almost tubular and emarginate, usually smooth, shiny, almost corneous; ocelli present. | | | Operculum acuminate or round at the hind margin, not tubular. |
|
http://home.planet.nl/~herwa073/phasmida/keygenne.htm
(133 words)
|
|
| |
| | Conica |
| | Hydroid colony arborescent through skeleton of complexly fused chitinous stolons; hydrotheca tubular, entierly or nearly entierly embedded in skeleton; hydranth cylindrical, deeply retractile into hydrotheca; nematotheca tubular, scattered on surface of skeleton; gonophore as fixed sporosacs or free eumedusoids, gonotheca developed within skeleton. | | | Medusa manubrium short; no gastric peduncle; no excretory pores; four simple radial canals; marginal tentacles hollow, with lateral cirri; no marginal cirri; gonads on radial canals, not reaching manubrium; 16 or more statocysts when adult; no ocelli. | | | Medusa umbrella more or less elliptical, with up to six manubria (exceptionally 9), generally with four radial canals per well developed manubrium, in mature animals usually all joining circular canal but often incomplete canals; no centripetal canals; two to six ovoid gonads on some radial canals; marginal tentacles numerous; numerous statocyst; asexual reproduction by fission. |
|
http://www.ville-ge.ch/musinfo/mhng/hydrozoa/lepto/conica.htm
(1382 words)
|
|
| |
| | Moss - Free Encyclopedia |
| | The capsule and operculum are in turn sheathed by a haploid calyptra which is the remains of the archegonial venter. | | | The sporophyte body comprises a long stalk, called a seta, and a capsule capped by a cap called the operculum. | | | The calyptra usually falls off when the capsule is mature. |
|
http://www.wacklepedia.com/m/mo/moss.html
(677 words)
|
|
| |
| | GASTROPODA |
| | Operculum - those that have operculum use it by extending and anchoring it and foot contracts and pulls animal along; also used to dig | | | Swimming - by the use of extensions of the foot (fins) also called parapodia; best developed in opisthobranchs such as sea hares, sea butterflies | | | aquatic species have secondarily invaded water and must come to the surface periodically to breathe; no operculum |
|
http://people.eku.edu/schusterg/bio542/gastropoda.htm
(1323 words)
|
|
| |
| | Description of species Beta macrocarpa |
| | Contrasting with the elevated operculum margins is the deep groove around the operculum. | | | The center of the operculum depressed, as the margins of the operculum rise up at maturity of the fruit. | | | Perianth segments spongy, usually triangular from a broad base, sometimes narrow oblong and strongly keeled. |
|
http://www.fal.de/bgrc/eu9542/Taxon/maccarpa.html
(360 words)
|
|
| |
| | Molluscs Page 2 - Keys to the Aquatic Biota of the Hawaiian Islands |
| | Typical globose, neritiform shell, usually not or only a little depressed (flattened) and lacking wing-like projections. | | | Operculum upper apophysis short and stout and joined to thick, triangular lower peg; outer face may be granulated, with a groove parallel to margin across the middle | | | Shell somewhat flattened, with lateral prolongations or "wings" and broad columella (shelf forming inner lip). |
|
http://www.aecos.com/CPIE/inv_04.html
(775 words)
|
|
| |
| | Eggs of human head lice |
| | Probably a live embryo is needed to maintain pressure in the egg, and when the embryo dies pressure falls and the atmospheric pressure forces the walls in. | | | The complete egg consists of a tube which encircles the hair shaft with the egg attached to the end furtherest from the scalp. | | | Hatched eggs have no operculum and look like a boiled egg with the top cut off. |
|
http://www.jcu.edu.au/school/phtm/PHTM/hlice/eggs.htm
(274 words)
|
|
| |
| | Key to the species of section Beta |
| | Segments generally not longer than broad (mean ratio perianth length/perianth width = 1.12). | | | After fructification operculum rises up above the short perianth segments. | | | Perianth segments bent in fruit, contiguous to the operculum, less than 7 mm long. |
|
http://www.fal.de/bgrc/eu9542/Taxon/Beta.html
(224 words)
|
|
|
