| 单词 | choroid membrane |
| 释义 | > as lemmaschoroid membrane 1. choroid coat (or tunic): a vascular membrane lining the eyeball, between the sclerotic coat and the retina, continuous in front with the iris, and containing numerous dark pigment cells. choroid gland: a gland-like plexus of blood vessels of crescentic or annular form, imbedded in the choroid coat of the eye in osseous fishes. choroid membrane = choroid coat at coat n. 7b; see also 2 choroid muscle: the ciliary muscle of the eye. ΘΚΠ the world > life > the body > sense organ > sight organ > parts of sight organ > [noun] > coats of uvea1525 sclerotica?1541 salvatrice1583 chorion1650 sclerotis1670 choroid1683 sclerotic tunic1691 sclerotic1696 goggle?1705 choroid membrane1741 sclerotic coat1741 sclerotic membrane1842 suprachoroid1871 sclera1888 1741 A. Monro Anat. Nerves 44 in Anat. Human Bones (ed. 3) The choroid Coat on the Outside of the Retina. 1764 T. Reid Inq. Human Mind vi. §12 The..function of the choroid membrane. 1778 Philos. Trans. 1777 (Royal Soc.) 68 91 There was..a dispute..whether the choroid coat of the eye or the retina was the immediate cause of vision. 1835–6 Todd's Cycl. Anat. & Physiol. I. 553/2 The so-called choroid gland in the eyes of Fishes. 1841 T. R. Jones Gen. Outl. Animal Kingdom xxvii. 524 A vascular organ..called the ‘choroid gland’ by the older anatomists..is of a crescentic form, and always of a deep red colour. 1881 E. B. Tylor Anthropol. 70 The black pigment lining the choroid coat at the back of the eye. choroid membrane 2. choroid membrane: a name for the pia mater (Chambers Cycl.), and for the velum interpositum of the brain (Mayne Exp. Lex.); apparently obsolete in both senses; see also 1 choroid plexus: a plexus of blood vessels connected by a thin membrane derived from the pia mater, in each lateral ventricle of the brain, forming a cord-like border on each side of the velum interpositum; also applied to similar structures in the third and fourth ventricles. choroid artery, posterior choroid artery: two arteries arising respectively from the internal carotid and the posterior cerebral arteries on each side, and contributing to form the choroid plexus. choroid vein: a vein connected with the choroid plexus. ΚΠ 1696 E. Phillips New World of Words (new ed.) Choroides, the folding of the Carotid Artery in the Brain. 1728 E. Chambers Cycl. (at cited word) Choroides is us'd for the inner Membrane that immediately invests the Brain. 1731 N. Bailey Universal Etymol. Eng. Dict. (ed. 5) Choroides Plexus.] 1835–6 Todd's Cycl. Anat. & Physiol. I. 493/1 After having given off the choroid artery, the internal carotid divides. 1842 E. Wilson Anatomist's Vade Mecum (ed. 2) 377 The Choroid plexus is a vascular fringe extending obliquely across the floor of the lateral ventricle. 1881 New Sydenham Soc. Lexicon Choroid vein of cerebrum, a vein in the outer border of each choroid plexus. < as lemmas |
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