| EDCS | end-diastolic chamber stiffness; end-diastolic circumferential stress |
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| PC | avoirdupois weight [Lat. pondus civile]; packed cells; paper chromatography; paracortex; parent cell... |
| PCDC | plasma clot diffusion chamber |
| PCL | pacing cycle length; persistent corpus luteum; plasma cell leukemia; posterior chamber lens; posteri... |
| SC4C | subcostal four-chamber [view] |
acute angle
| bulging eye disease | Infection of herbivores and rarely man with larvae of flies of the genus Gedoelstia, causing ophthalmomyiasis in humans. Synonym: bulging eye disease. (05 Mar 2000) |
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| bull's-eye | 1. A small circular or oval wooden block without sheaves, having a groove around it and a hole through it, used for connecting rigging. 2. A small round cloud, with a ruddy center, supposed by sailors to portend a storm. 3. A small thick disk of glass inserted in a deck, roof, floor, ship's side, etc, to let in light. 4. A circular or oval opening for air or light. 5. A lantern, with a thick glass lens on one side for concentrating the light on any object; also, the lens itself. 6. <astronomy> Aldebaran, a bright star in the eye of Taurus or the Bull. 7. The center of a target. 8. A thick knob or protuberance left on glass by the end of the pipe through which it was blown. 9. A small and thick old-fashioned watch. Source: Websters Dictionary (01 Mar 1998) |
| bull's-eye maculopathy | An ocular condition in which oedema or degeneration of the sensory retina at the posterior pole of the eye causes alternating areas of light and dark, as in a target; seen in toxic, inflammatory, and hereditary conditions. (05 Mar 2000) |
| raccoon eye | <clinical sign, ophthalmology> The appearance of the eyes produced by subconjunctival haemorrhage and/or periorbital ecchymosis. Synonym: bilateral medial orbital ecchymoses. (21 Jun 2000) |
| vascular layer of choroid coat of eye | <anatomy> The outer portion of the choroid of the eye containing the largest blood vessels. Synonym: lamina vasculosa choroideae, Haller's vascular tissue, uvaeformis, vascular layer of choroid coat of eye, vascular layer. (05 Mar 2000) |
| vascular tunic of eye | The vascular, pigmentary, or middle coat of the eye, comprising the choroid, ciliary body, and iris. Synonym: tunica vasculosa bulbi, Haller's tunica vasculosa, tunica vasculosa oculi, uvea, uveal tract. (05 Mar 2000) |
| rapid eye movements | Symmetrical quick scanning movement's of the eyes occurring many times during sleep in clusters for 5 to 60 minutes; associated with dreaming. (05 Mar 2000) |
| rapid eye movement sleep | REM sleep, that state of deep sleep in which rapid eye movements, alert EEG pattern, and dreaming occur; several central and autonomic functions are distinctive during this state. (05 Mar 2000) |
| Manson's eye worm | A widely distributed spiruroid nematode parasite found under the nictitating membrane in the eye of turkeys, chickens, peafowl, quail, and grouse; larvae develop to the infective stage in cockroaches. Synonym: Manson's eye worm. (05 Mar 2000) |
| parietal eye | A non-image-forming, photoreceptive eye in or near the median line in certain crustacea and lower vertebrates; homologue of pineal gland in higher forms. Synonym: epiphysial eye, parietal eye. (05 Mar 2000) |
| master eye | The eye that is customarily used for monocular tasks. Synonym: master eye. (05 Mar 2000) |
| reduced eye | A simplified design of the ocular optical system, represented as having a single refracting surface and a uniform index of refraction; a model based on this concept is used in retinoscopy and ophthalmoscopy. (05 Mar 2000) |
| cat's-eye pupil | A distorted, elongated pupil; usually due to anterior segment anomaly. (05 Mar 2000) |
| cat's-eye syndrome | <syndrome> Iris colobomas (resembling the vertical pupils of a cat) and anal atresia, associated with an additional acrocentric chromosome; other malformations and mental retardation may be present. Synonym: Schmid-Fraccaro syndrome. (05 Mar 2000) |
| globe of eye | The eye proper without the appendages. Synonym: bulbus oculi, bulb of eye, globe of eye. (05 Mar 2000) |