velumn.

Brit.

/ˈviːləm/, U.S.

/ˈviləm/

Forms: Plural vela

/ˈviːlə/.

Etymology: Latin vēlum a sail, awning, curtain, covering, veil.

†a. A screen or protection. Obsolete.

ΘΚΠ

the world > space > relative position > condition or fact of being interjacent > [noun] > that which is interjacent > obstructingly

screena1616

velum1781

the world > action or operation > safety > protection or defence > [noun] > means of protection or defence > device or contrivance to protect a thing or person

guard1678

fender1739

safeguard1780

velum1781

protector1839

firewall1907

baffle1913

1781 Priestley in Young Autobiogr. (1898) v. 99 A glass velum, interposed between the retort and the recipient for the air, remains quite cool and dry.

b. A velarium.

ΘΚΠ

society > leisure > the arts > performance arts > the theatre or the stage > a theatre > other parts of theatre > [noun] > parts of ancient Greek or Roman theatre

scenaa1387

scene1481

orchestra1606

proscenium1606

cavea1611

scenarioa1684

subselliuma1701

diazoma1706

parascenium1706

pavilion1730

hyposcenium1753

thymele1753

vomitorium1754

velarium1834

velum1843

1843 Penny Cycl. XXVI. 197/2 Such ceiling or vault therefore assumes somewhat the appearance of an awning or velum stretched immediately upon arches.

2. Anatomy.

a. The soft palate; the membranous septum extending backwards from the hard palate.Also more fully velum palati and velum pendulum.

ΘΚΠ

the world > life > the body > digestive or excretive organs > digestive organs > mouth > [noun] > palate > soft palate

soft palate1749

velum1753

(a)

?1768–9 Encycl. Brit. (1771) I. 303/1 The septum, which may likewise be termed velum, or valvula palati, terminates below by a loose floating edge.

1802 W. Heberden, Jr. tr. W. Heberden Comm. Hist. & Cure Dis. vii. 27 The velum pendulum was putrid.

1805 Med. & Physical Jrnl. 14 179 One was removed..from behind the velum pendulum by the forceps.

1839–47 Todd's Cycl. Anat. & Physiol. III. 951 The velum palati is a soft moveable curtain stretching backwards and downwards into the cavity of the pharynx [etc.].

1839–47 Todd's Cycl. Anat. & Physiol. III. 951 Muscles of the velum palati.

1859 R. H. Semple tr. P. Bretonneau et al. Mem. Diphtheria 55 The posterior column of the velum palati.

(b)1753 Dict. Arts & Sci. III. 2313/2 The great uses of this membrane are..for preventing by its claustrum or velum, the things to be swallowed from getting up into the nostrils.1819 S. Cooper First Lines Pract. Surg. (ed. 4) I. i. xxx. 376 The velum and uvula are occasionally destroyed.1846 F. Brittan tr. J. F. Malgaigne Man. Operative Surg. 365 You see then the importance of passing the needles through a well determined point of the velum.1879 St. George's Hosp. Rep. 9 725 A child..was attacked by sore-throat with false membrane, which spread from the tonsils over the velum.attributive.1879 St. George's Hosp. Rep. 9 570 Voice husky; glands of velum palate enlarged.

b. One or other of two membranes extending from the vermiform process of the brain.

ΘΚΠ

the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > lobe or lobule > membrane extending from specific lobe

velum1840

1840 G. V. Ellis Demonstr. Anat. 52 The two medullary vela are inclined obliquely towards each other.

1840 G. V. Ellis Demonstr. Anat. 52 The anterior medullary velum or valve of Vieussens.

1873 St. G. Mivart Lessons Elem. Anat. ix. 377 The velum consists only of the ependyma, the pia mater, and the arachnoid.

c. A triangular fold of the pia mater lying between the third ventricle and the fornix of the brain. (In full velum interpositum.)

ΘΚΠ

the world > life > the body > nervous system > cerebrospinal axis > [noun] > membranes > pia mater > part of

tomentum1723

velum1839

1839–47 Todd's Cycl. Anat. & Physiol. III. 635 The velum interpositum is best exposed..by removing carefully in succession the corpus callosum and the fornix. In raising the velum itself [etc.].

d. A small triangular space in the inferior region of the bladder.

ΘΚΠ

the world > life > the body > secretory organs > organ receiving secretion > [noun] > bladder > parts of

urachus1615

trigone1835

uvula1835

velum1835

1835–6 Todd's Cycl. Anat. & Physiol. I. 385/1 This membrane presents some peculiarities throughout the extent of a small region named the ‘trigone’ or the ‘velum’ of the bladder.

3. Zoology. A membrane or membranous integument, esp. one occurring in molluscs, medusæ, or lower forms of animal life.

ΘΚΠ

the world > animals > animal body > general parts > constituent materials > [noun] > membrane or membranous integument

pelliculea1400

pellicle?a1425

veil?a1425

velum1826

1826 W. Kirby & W. Spence Introd. Entomol. III. 370 Velum (the Velum), a membrane attached to the inner side of the cubital spur in Apis.

1840 Penny Cycl. XVI. 110/1 Though the term velum is used, which would hardly be applicable to the palmated arms or vela of the other kind [of Nautilus].

1877 T. H. Huxley Man. Anat. Invertebrated Animals iii. 129 The inner margin of the bell in these medusoids is always produced into a velum.

1887 Encycl. Brit. XXII. 420/1 In the majority of sponges both excurrent and incurrent canals are constricted at intervals by transverse diaphragms or vela, which contain myocytes concentrically and sometimes radiately arranged.

4. Botany. A membranous structure or covering in certain fungi.

ΘΚΠ

the world > plants > particular plants > fungi > [noun] > parts of > cells and tissue

chive1721

spawn1731

mushroom spawn1753

volva1753

ring1777

veil1777

curtain1796

wrapper1796

fungin1813

subiculum1821

cortina1832

velum1832

mycelium1836

uterus1836

gleba1847

hypostroma1855

sulcus1856

rhizopod1859

tigellule1860

trichophore1860

hypha1866

hypothecium1866

rhizopodium1866

annulus1871

capillitium1871

acervulus1872

weft1875

capsule1883

clamp-connection1887

periphysis1887

chain gemma1893

trumpet hypha1900

metula1915

monokaryon1935

1832 J. Lindley Introd. Bot. 208 The velum, or veil, is a horizontal membrane, connecting the margin of the pileus with the stipes.

1866 J. Lindley & T. Moore Treasury Bot. II. 1207/1 Velum, the annulus of certain fungals.

1882 S. H. Vines tr. J. von Sachs Text-bk. Bot. (ed. 2) 337 This formation of a velum is connected with the entire growth of the whole fructification.

This entry has not yet been fully updated (first published 1916; most recently modified version published online June 2022).

单词	velum
释义	velumn. Brit. /ˈviːləm/, U.S. /ˈviləm/ Forms: Plural vela /ˈviːlə/. Etymology: Latin vēlum a sail, awning, curtain, covering, veil. 1. †a. A screen or protection. Obsolete. ΘΚΠ the world > space > relative position > condition or fact of being interjacent > [noun] > that which is interjacent > obstructingly screena1616 velum1781 the world > action or operation > safety > protection or defence > [noun] > means of protection or defence > device or contrivance to protect a thing or person guard1678 fender1739 safeguard1780 velum1781 protector1839 firewall1907 baffle1913 1781 Priestley in Young Autobiogr. (1898) v. 99 A glass velum, interposed between the retort and the recipient for the air, remains quite cool and dry. b. A velarium. ΘΚΠ society > leisure > the arts > performance arts > the theatre or the stage > a theatre > other parts of theatre > [noun] > parts of ancient Greek or Roman theatre scenaa1387 scene1481 orchestra1606 proscenium1606 cavea1611 scenarioa1684 subselliuma1701 diazoma1706 parascenium1706 pavilion1730 hyposcenium1753 thymele1753 vomitorium1754 velarium1834 velum1843 1843 Penny Cycl. XXVI. 197/2 Such ceiling or vault therefore assumes somewhat the appearance of an awning or velum stretched immediately upon arches. 2. Anatomy. a. The soft palate; the membranous septum extending backwards from the hard palate.Also more fully velum palati and velum pendulum. ΘΚΠ the world > life > the body > digestive or excretive organs > digestive organs > mouth > [noun] > palate > soft palate soft palate1749 velum1753 (a) ?1768–9 Encycl. Brit. (1771) I. 303/1 The septum, which may likewise be termed velum, or valvula palati, terminates below by a loose floating edge. 1802 W. Heberden, Jr. tr. W. Heberden Comm. Hist. & Cure Dis. vii. 27 The velum pendulum was putrid. 1805 Med. & Physical Jrnl. 14 179 One was removed..from behind the velum pendulum by the forceps. 1839–47 Todd's Cycl. Anat. & Physiol. III. 951 The velum palati is a soft moveable curtain stretching backwards and downwards into the cavity of the pharynx [etc.]. 1839–47 Todd's Cycl. Anat. & Physiol. III. 951 Muscles of the velum palati. 1859 R. H. Semple tr. P. Bretonneau et al. Mem. Diphtheria 55 The posterior column of the velum palati. (b)1753 Dict. Arts & Sci. III. 2313/2 The great uses of this membrane are..for preventing by its claustrum or velum, the things to be swallowed from getting up into the nostrils.1819 S. Cooper First Lines Pract. Surg. (ed. 4) I. i. xxx. 376 The velum and uvula are occasionally destroyed.1846 F. Brittan tr. J. F. Malgaigne Man. Operative Surg. 365 You see then the importance of passing the needles through a well determined point of the velum.1879 St. George's Hosp. Rep. 9 725 A child..was attacked by sore-throat with false membrane, which spread from the tonsils over the velum.attributive.1879 St. George's Hosp. Rep. 9 570 Voice husky; glands of velum palate enlarged. b. One or other of two membranes extending from the vermiform process of the brain. ΘΚΠ the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > lobe or lobule > membrane extending from specific lobe velum1840 1840 G. V. Ellis Demonstr. Anat. 52 The two medullary vela are inclined obliquely towards each other. 1840 G. V. Ellis Demonstr. Anat. 52 The anterior medullary velum or valve of Vieussens. 1873 St. G. Mivart Lessons Elem. Anat. ix. 377 The velum consists only of the ependyma, the pia mater, and the arachnoid. c. A triangular fold of the pia mater lying between the third ventricle and the fornix of the brain. (In full velum interpositum.) ΘΚΠ the world > life > the body > nervous system > cerebrospinal axis > [noun] > membranes > pia mater > part of tomentum1723 velum1839 1839–47 Todd's Cycl. Anat. & Physiol. III. 635 The velum interpositum is best exposed..by removing carefully in succession the corpus callosum and the fornix. In raising the velum itself [etc.]. d. A small triangular space in the inferior region of the bladder. ΘΚΠ the world > life > the body > secretory organs > organ receiving secretion > [noun] > bladder > parts of urachus1615 trigone1835 uvula1835 velum1835 1835–6 Todd's Cycl. Anat. & Physiol. I. 385/1 This membrane presents some peculiarities throughout the extent of a small region named the ‘trigone’ or the ‘velum’ of the bladder. 3. Zoology. A membrane or membranous integument, esp. one occurring in molluscs, medusæ, or lower forms of animal life. ΘΚΠ the world > animals > animal body > general parts > constituent materials > [noun] > membrane or membranous integument pelliculea1400 pellicle?a1425 veil?a1425 velum1826 1826 W. Kirby & W. Spence Introd. Entomol. III. 370 Velum (the Velum), a membrane attached to the inner side of the cubital spur in Apis. 1840 Penny Cycl. XVI. 110/1 Though the term velum is used, which would hardly be applicable to the palmated arms or vela of the other kind [of Nautilus]. 1877 T. H. Huxley Man. Anat. Invertebrated Animals iii. 129 The inner margin of the bell in these medusoids is always produced into a velum. 1887 Encycl. Brit. XXII. 420/1 In the majority of sponges both excurrent and incurrent canals are constricted at intervals by transverse diaphragms or vela, which contain myocytes concentrically and sometimes radiately arranged. 4. Botany. A membranous structure or covering in certain fungi. ΘΚΠ the world > plants > particular plants > fungi > [noun] > parts of > cells and tissue chive1721 spawn1731 mushroom spawn1753 volva1753 ring1777 veil1777 curtain1796 wrapper1796 fungin1813 subiculum1821 cortina1832 velum1832 mycelium1836 uterus1836 gleba1847 hypostroma1855 sulcus1856 rhizopod1859 tigellule1860 trichophore1860 hypha1866 hypothecium1866 rhizopodium1866 annulus1871 capillitium1871 acervulus1872 weft1875 capsule1883 clamp-connection1887 periphysis1887 chain gemma1893 trumpet hypha1900 metula1915 monokaryon1935 1832 J. Lindley Introd. Bot. 208 The velum, or veil, is a horizontal membrane, connecting the margin of the pileus with the stipes. 1866 J. Lindley & T. Moore Treasury Bot. II. 1207/1 Velum, the annulus of certain fungals. 1882 S. H. Vines tr. J. von Sachs Text-bk. Bot. (ed. 2) 337 This formation of a velum is connected with the entire growth of the whole fructification. This entry has not yet been fully updated (first published 1916; most recently modified version published online June 2022). < n.1753
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