CHOROID

Pronunciation (US):

(GB):

 Dictionary entry overview: What does choroid mean? 

• CHOROID (noun)
  The noun CHOROID has 1 sense:

1. a highly vascular membrane in the eye between the retina and the sclera; a dark pigmentation minimizes the scattering of light inside the eye

  Familiarity information: CHOROID used as a noun is very rare.

 Dictionary entry details 

• CHOROID (noun)

Sense 1

Meaning:

A highly vascular membrane in the eye between the retina and the sclera; a dark pigmentation minimizes the scattering of light inside the eye

Classified under:

Nouns denoting body parts

Synonyms:

choroid; choroid coat

Hypernyms ("choroid" is a kind of...):

membrane; tissue layer (a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants)

Holonyms ("choroid" is a part of...):

eye; oculus; optic (the organ of sight)

 Context examples 

A usually benign neoplasm that arises from the cuboidal epithelium of the choroid plexus and takes the form of an enlarged CHOROID PLEXUS, which may be associated with oversecretion of CSF.

(Choroid Plexus Papilloma, NLM, Medical Subject Headings)

A benign neoplasm of the choroid plexus of the central nervous system.

(Choroid Plexus Papilloma, NCI Thesaurus/CDISC)

It includes the choroid plexus papilloma, atypical choroid plexus papilloma, and choroid plexus carcinoma.

(Choroid Plexus Neoplasm, NCI Thesaurus)

It is associated with the presence of choroid plexus neoplasms in the brain.

(Aicardi Syndrome, NCI Thesaurus)

A rare tumor that forms in the choroid plexus (a network of blood vessels and cells in the fluid-filled spaces of the brain).

(Choroid plexus tumor, NCI Dictionary)

A disorder characterized by inflammation of the entire uvea which includes the iris, ciliary body, and choroid.

(Panuveitis, NCI Thesaurus)

Differential diagnoses include choroid plexus papilloma, papillary meningioma and metastatic papillary carcinomas.

(Papillary Ependymoma, NCI Thesaurus/Adapted from WHO)

A melanoma arising from the choroid, ciliary body, or the iris.

(Mixed Cell Uveal Melanoma, NCI Thesaurus)

CSF is made by tissue called the choroid plexus in the ventricles (hollow spaces) in the brain.

(CSF, NCI Dictionary)

One of two arteries (anterior and posterior choroidal artery) that supply blood to the choroid plexus, optic tract, hippocampus, globus pallidus, and other various brain regions.

(Choroidal Artery, NCI Thesaurus)