choroid tissue


choroid tissue
a primordial vascular tissue mass lying below the eye, often unpigmented. In studies of larval fishes its length is measured along its longitudinal axis from the interface with the pigmented portion of the eye to the tip of the choroid mass

Dictionary of ichthyology. 2009.

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  • Choroid plexus papilloma — Classification and external resources ICD 10 C71.5 …   Wikipedia

  • Choroid plexus carcinoma — Classification and external resources ICD O: 9390/3 A choroid plexus carcinoma is a type of choroid plexus tumor.[1][2] …   Wikipedia

  • Choroid plexus tumor — is a rare type of cancer that occurs in the choroid plexus of the brain.[1] A tumor in this location usually occurs in children younger than 2 years and is one of several kinds: Atypical teratoid rhabdoid tumor[citation needed] Choroid plexus… …   Wikipedia

  • Choroid — Schematic cross section of the human eye; choroid is shown in purple …   Wikipedia

  • 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 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

  • tissue layer — noun a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants • Syn: ↑membrane • Derivationally related forms: ↑membranous (for: ↑membrane) • Hypernyms: ↑animal tissue …   Useful english dictionary

  • Tissue — A tissue in medicine is not like a piece of tissue paper. It is a broad term that is applied to any group of cells that perform specific functions. A tissue in medicine need not form a layer. Thus, The bone marrow is a tissue; Connective tissue… …   Medical dictionary

  • Choroid of the eye — The thin vascular middle layer of the eye that is situated between the sclera (the white of the eye) and the retina (the nerve layer that lines the back of the eye, senses light, and creates impulses that travel through the optic nerve to the… …   Medical dictionary

  • choroid — A thin layer of tissue that is part of the middle layer of the wall of the eye, between the sclera (white outer layer of the eye) and the retina (the inner layer of nerve tissue at the back of the eye). The choriod is filled with blood vessels… …   English dictionary of cancer terms


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