ciliary crown
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Crown — In dentistry, the portion of the tooth that is covered by enamel. Also a type of restoration that covers all or most of the natural tooth. * * * 1. Any structure, normal or pathologic, resembling or suggesting a c. or a wreath. 2. In dentistry,… … Medical dictionary
corona — SYN: crown. [L. garland, crown, fr. G. korone] c. capitis the topmost part of the head. SYN: crown of head. c. ciliaris [TA] the circular figure on the inner surface of the ciliary body, formed by the processes and folds (plicae) taken together.… … Medical dictionary
corona ciliaris — [TA] ciliary crown: the region on the anterior inner surface of the ciliary body of the eye from which radiate the ciliary processes; called also pars plicata corporis ciliaris … Medical dictionary
Bryozoa — Temporal range: Upper Cambrian–Recent[1] … Wikipedia
gastropod — /gas treuh pod /, n. 1. any mollusk of the class Gastropoda, comprising the snails, whelks, slugs, etc. adj. 2. Also, gastropodous /ga strop euh deuhs/. belonging or pertaining to the gastropods. [1820 30; < NL Gast(e)ropoda a class of mollusks.… … Universalium
orbiculus ciliaris — The darkly pigmented posterior zone of the ciliary body continuous with the retina at the ora serrata. SYN: ciliary disk, ciliary ring, pars plana. [Mod. L.] * * * orbiculus cil·i·ar·is .sil ē er əs n a circular tract in the … Medical dictionary
space — Any demarcated portion of the body, either an area of the surface, a segment of the tissues, or a cavity. SEE ALSO: area, region, zone. SYN: spatium [TA]. [L. spatium, room, s.] alveolar dead s … Medical dictionary
processus ciliares — [TA] ciliary processes: about 70 meridionally arranged ridges or folds projecting from the crown of the ciliary body; they secrete the aqueous humor into the posterior chamber of the eye. Processus ciliares (ciliary processes) and neighboring… … Medical dictionary
Optics — For the book by Sir Isaac Newton, see Opticks. Optical redirects here. For the musical artist, see Optical (artist). Optics includes study of dispersion of light. Optics is the branch of … Wikipedia
corona — n. [L. corona, crown] 1. A crownlike structure or organ of various invertebrates. 2. (ARTHROPODA: Insecta) In Lepidoptera male genitalia, a specialized row of armament setae, teeth or spines on the cucullus. 3. (ECHINODERMATA) a. In Crinoidea, a… … Dictionary of invertebrate zoology
