- choroid membrane
- noun
see choroid coat
* * *
choroid membrane or choroid coat,a delicate membrane or coat between the sclerotic coat and the retina of the eyeball.
Useful english dictionary. 2012.
choroid membrane
Look at other dictionaries:
choroid coat — noun a highly vascular membrane in the eye between the retina and the sclera; a dark pigmentation minimizes the scattering of light inside the eye • Syn: ↑choroid • Hypernyms: ↑membrane, ↑tissue layer • Part Holonyms: ↑eye, ↑oculus, ↑ … Useful english dictionary
choroid coat — Ophthalm. a pigmented, highly vascular membrane of the eye that is continuous with the iris and lies between the sclera and the retina, functioning to nourish the retina and absorb scattered light. See diag. under eye. Also called choroid,… … Universalium
Choroid — Schematic cross section of the human eye; choroid is shown in purple … Wikipedia
choroid — [kôr′oid΄] adj. [Gr choroeidēs, contr. < chorioeidēs < chorion, CHORION + eidēs, OID] designating or of the chorion or certain other vascular membranes n. the dark, vascular membrane that forms the middle coat of the eye, between the sclera … English World dictionary
Choroid plexus — Brain: Choroid plexus Scheme of roof of fourth ventricle. The arrow is in the foramen of Magendie. 1: inferior medullary velum 2: Choroid plexus 3: Cerebellomedullary cistern of subarachnoid cavity 4: Central canal 5: Corpora quadrigemina … Wikipedia
choroid — The middle vascular tunic of the eye lying between the pigment epithelium and the sclera. SYN: choroidea [TA]. [G. choroeides, a false reading for chorioeides, like a membrane] * * * cho·roid kō(ə)r .ȯid, kȯ(ə)r also cho·ri·oid kōr ē .ȯid,… … Medical dictionary
membrane — 1. A thin sheet or layer of pliable tissue, serving as a covering or envelope of a part, as the lining of a cavity, as a partition or septum, or to connect two structures. SYN: membrana [TA]. 2. SYN: biomembrane. [L. membrana, a skin or m … Medical dictionary
choroid — adj. pertaining to the chorion or structures which resemble the chorion (membrane which surrounds the fetus before birth) n. choroidea, choroid coat, membrane of the eye containing blood vessels (Ophthalmology) … English contemporary dictionary
choroid — /ˈkɔrɔɪd/ (say kawroyd) adjective 1. like the chorion; membranous (applied especially to a delicate, highly vascular membrane or coat of the eyeball between the sclerotic coat and the retina). –noun 2. the choroid coat of the eye. Also, chorioid …
choroid — also chorioid noun Etymology: New Latin choroides resembling the chorion, from Greek chorioeidēs, from chorion chorion Date: 1683 a vascular membrane containing large branched pigmented cells that lies between the retina and the sclera of the… … New Collegiate Dictionary
