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choroid

A เกี่ยวกับ เยื่อ หุ้ม 

 

Webster's 1828 Dictionary

CHOROID

n.In anatomy, a term applied to several parts of the body that resemble the chorion; as the inner membrane investing the brain, or the pia mater; the second coat of the eye; the fold of the carotid artery in the brain, in which is the pineal gland.

 

Webster's 1913 Dictionary

CHOROID

Cho "roid, a. Etym: [gr. (Anat. )

 

Defn: resembling the chorion; as, the choroid plexuses of the ventricles of the brain, and the choroid coat of the eyeball. -- n.

 

Defn: The choroid coat of the eye. See Eye. Choroid plexus (Anat. ), one of the delicate fringelike processes, consisting almost entirely of blood vessels, which project into the ventricles of the brain.

 

CHOROIDAL

CHOROIDAL Cho *roid "al, a. (Anat. )

 

Defn: Pertaining to the choroid coat.

 

New American Oxford Dictionary

choroid

cho roid |ˈkôrˌoid ˈkɔrɔɪd |(also chorioid |ˈkôrēˌoid |) ▶adjective resembling the chorion, particularly in containing many blood vessels. ▶noun (also choroid coat ) the pigmented vascular layer of the eyeball between the retina and the sclera. DERIVATIVES cho roi dal |kəˈroidl |adjective ORIGIN mid 17th cent.: from Greek khoroeidēs (adjective ), alteration of khorioeidēs, from khorion (see chorion ).

 

choroid plexus

cho roid plex us ▶noun ( pl. same or plexuses ) a network of blood vessels in each ventricle of the brain. It is derived from the pia mater and produces the cerebrospinal fluid.

 

Oxford Dictionary

choroid

choroid |ˈkɔːrɔɪd, ˈkɒr -| ▶adjective resembling the chorion, particularly in containing many blood vessels. ▶noun (also choroid coat ) the pigmented vascular layer of the eyeball between the retina and the sclera. DERIVATIVES choroidal adjective ORIGIN mid 17th cent.: from Greek khoroeidēs (adjective ), alteration of khorioeidēs, from khorion (see chorion ).

 

choroid plexus

choroid plexus |ˈkɔːrɔɪd, ˈkɒr -| ▶noun ( pl. same or choroid plexuses ) a network of blood vessels in each ventricle of the brain, producing the cerebrospinal fluid.