- ocular papilla
(ARTHROPODA: Crustacea)In some Malacostraca, the anterior projection on the eyestalk.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
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ocular papilla — Anterior projection on eyestalk of some mysidaceans [Moore and McCormick, 1969]. Anterior projection on eyestalk [McLaughlin, 1980] … Crustacea glossary
papilla — (Order Mysida): Tube or finger shaped projection from inner surface of each ocular peduncle. (Syn. ocular papilla) [Stachowitsch, 1992]. (Class Ostracoda): Type of valve sculpture: small, step sided projection (one order of magnitude smaller tan… … Crustacea glossary
ocular peduncle — See: eyestalk [Martin, 2005]. Eyestalk [Williams, 1984]. Peduncle movably articulated with cephalon, with compound eye at distal end, sometimes with two or three segments, sometimes retractable. (Syn. eyestalk) [McLaughlin, 1980]. (Order… … Crustacea glossary
organ of Bellonci — (Order Mysida): Vesicular structure surrounded by sensory cells located directly under dorsal ingument of eyestalk. Often connected to exterior by sensory pore. Frequently found at base or in ocular papilla. Presumably with neurosecretory and… … Crustacea glossary
eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… … Universalium
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ear, human — ▪ anatomy Introduction organ of hearing and equilibrium that detects and analyzes noises by transduction (or the conversion of sound waves into electrochemical impulses) and maintains the sense of balance (equilibrium). The human ear, like … Universalium
disk — 1. A round, flat plate; any approximately flat circular structure. 2. SYN: lamella (2). 3. In dentistry, a circular piece of thin paper or other material, coated with an abrasive substance, used for cutting and polishing tee … Medical dictionary
Retina — For the Retina display in the iPhone 4, see iPhone 4#Display. Retina Right human eye cross sectional view. Courtesy NIH National Eye Institute. Many animals hav … Wikipedia