crustan.

/ˈkrʌstə/

Forms: Plural crustæ.

Etymology: < classical Latin crusta (see crust n.).

a. Anatomy. The ventral part of the cerebral peduncle.

ΚΠ

1876 Quain's Elements Anat. (ed. 8) II. 555 The lower or superficial part [of the peduncular fibres]..consists almost entirely of white fibres, collected into coarse fasciculi and is named the crusta [earlier edd., crust] or basis, or the fasciculated portion of the peduncle.

1910 Encycl. Brit. IV. 395/2 The ventral part of each crus forms the crusta, which is..the great motor path from the brain to the cord.

1929 Encycl. Brit. IV. 12/2 The superficial part (crusta) of each crus..consists of motory and sensory nerve fibres.

1949 F. W. Jones et al. Buchanan's Man. Anat. (ed. 8) xiii. 1400 The basis pedunculi (crusta)..has a crescentic outline, the concavity of the crescent being dorsal and occupied by the convexity of the substantia nigra.

b. Pathology. = crust n. 3.

ΚΠ

1820 R. Hooper Lexicon-medicum (ed. 4) 266/1 Crusta,..a scab.

1842 R. Dunglison Med. Lexicon (ed. 3) Crusta, an assemblage of small flakes, formed by the drying up of a fluid secreted by the skin.

c. crusta fibrosa, crusta petrosa, the cement of a tooth (cement n. 4).

ΘΚΠ

the world > life > the body > digestive or excretive organs > digestive organs > mouth > substance or parts of teeth > [noun] > cement

cementum1842

crusta fibrosa1842

cement1849

1842 R. Dunglison Med. Lexicon (ed. 3) at Tooth At the part where the enamel terminates at the cervix of the tooth, the crusta petrosa or cortical substance commences in an extremely thin stratum.

1876 T. Bryant Pract. Surg. (ed. 2) I. xiii. 537 The crusta petrosa is formed on the gradually elongating root through the agency of the dental sac or capsule which surrounds the forming tooth crown.

1911 Encycl. Brit. XXVI. 501/1 Surrounding the dentine where it is not covered by enamel is the ‘cement’ or ‘crusta petrosa’, a thin layer of bone.

1949 F. W. Jones et al. Buchanan's Man. Anat. (ed. 8) v. 266 Cement, or crusta petrosa. This covers the dentine that forms the root of the tooth.

d. crusta lactea, an eruptive disease of infants at the breast; milk-scab, milk-blotch.

ΘΚΠ

the world > health and disease > ill health > a disease > disorders of visible parts > eruptive diseases > [noun] > of infants

red gownc1400

red gum1597

white-gum1684

milk-blotch1797

strophulus1798

crusta lactea1806

tooth-rash1818

gum-rash1822

wildfire rash1822

teething rash1899

diaper rash1919

nappy rash1936

1806 Med. & Physical Jrnl. 15 33 Crusta Lactea..sometimes proves a very severe..disease; in some families attacking every child at the age of a few weeks.

1857 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Milk-Scab, another common term for Porrigo larvalis, or Crusta lactea, or milk-blotch.

e. crusta phlogistica n. (see quot. 1890).

ΘΚΠ

the world > health and disease > ill health > a disease > disorders of internal organs > disorders of blood > [noun] > coagulated blood > buffy coat

buff1739

size1771

buffy coat1800

buffed coat1835

crusta phlogistica1890

1890 J. S. Billings National Med. Dict. I. 353/2 Crusta fibrosa, crusta petrosa... Crusta phlogistica, inflammatory or buffy coat of blood.

f. historical. A thin plate of embossed metal, etc., inlaid on a vessel, wall, or other object.

ΘΚΠ

the world > health and disease > ill health > injury > [noun] > wound > scab

crust1398

roinc1400

scabc1400

scurfc1440

rovea1500

rig-ruff1611

incrustation1656

scud1825

crusta1842

society > leisure > the arts > visual arts > ornamental art and craft > inlaying > [noun] > plate of inlaid material

crusta1842

the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > cerebrum > other parts of cerebrum

crusta1842

fossula1850

tegmentum1879

amygdaloid nucleus1889

amygdaloid complex1980

1842 W. T. Brande Dict. Sci., Lit. & Art 303/2 Crusta, in Gem Sculpture, a gem engraved for inlaying on a vase or other object.

1910 Encycl. Brit. XIV. 627/2 The proscenium of the Odeum was lined with crustae, or ‘marble-veneering’, under one inch thick.

1911 Encycl. Brit. XXIII. 484/1 The crustae, or plaques decorated in repoussé, which were mounted on smooth silver cups.

1911 Encycl. Brit. XXIII. 484/1 Cups adorned with golden crustae.

This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2021).

单词	crusta
释义	crustan. /ˈkrʌstə/ Forms: Plural crustæ. Etymology: < classical Latin crusta (see crust n.). a. Anatomy. The ventral part of the cerebral peduncle. ΚΠ 1876 Quain's Elements Anat. (ed. 8) II. 555 The lower or superficial part [of the peduncular fibres]..consists almost entirely of white fibres, collected into coarse fasciculi and is named the crusta [earlier edd., crust] or basis, or the fasciculated portion of the peduncle. 1910 Encycl. Brit. IV. 395/2 The ventral part of each crus forms the crusta, which is..the great motor path from the brain to the cord. 1929 Encycl. Brit. IV. 12/2 The superficial part (crusta) of each crus..consists of motory and sensory nerve fibres. 1949 F. W. Jones et al. Buchanan's Man. Anat. (ed. 8) xiii. 1400 The basis pedunculi (crusta)..has a crescentic outline, the concavity of the crescent being dorsal and occupied by the convexity of the substantia nigra. b. Pathology. = crust n. 3. ΚΠ 1820 R. Hooper Lexicon-medicum (ed. 4) 266/1 Crusta,..a scab. 1842 R. Dunglison Med. Lexicon (ed. 3) Crusta, an assemblage of small flakes, formed by the drying up of a fluid secreted by the skin. c. crusta fibrosa, crusta petrosa, the cement of a tooth (cement n. 4). ΘΚΠ the world > life > the body > digestive or excretive organs > digestive organs > mouth > substance or parts of teeth > [noun] > cement cementum1842 crusta fibrosa1842 cement1849 1842 R. Dunglison Med. Lexicon (ed. 3) at Tooth At the part where the enamel terminates at the cervix of the tooth, the crusta petrosa or cortical substance commences in an extremely thin stratum. 1876 T. Bryant Pract. Surg. (ed. 2) I. xiii. 537 The crusta petrosa is formed on the gradually elongating root through the agency of the dental sac or capsule which surrounds the forming tooth crown. 1911 Encycl. Brit. XXVI. 501/1 Surrounding the dentine where it is not covered by enamel is the ‘cement’ or ‘crusta petrosa’, a thin layer of bone. 1949 F. W. Jones et al. Buchanan's Man. Anat. (ed. 8) v. 266 Cement, or crusta petrosa. This covers the dentine that forms the root of the tooth. d. crusta lactea, an eruptive disease of infants at the breast; milk-scab, milk-blotch. ΘΚΠ the world > health and disease > ill health > a disease > disorders of visible parts > eruptive diseases > [noun] > of infants red gownc1400 red gum1597 white-gum1684 milk-blotch1797 strophulus1798 crusta lactea1806 tooth-rash1818 gum-rash1822 wildfire rash1822 teething rash1899 diaper rash1919 nappy rash1936 1806 Med. & Physical Jrnl. 15 33 Crusta Lactea..sometimes proves a very severe..disease; in some families attacking every child at the age of a few weeks. 1857 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Milk-Scab, another common term for Porrigo larvalis, or Crusta lactea, or milk-blotch. e. crusta phlogistica n. (see quot. 1890). ΘΚΠ the world > health and disease > ill health > a disease > disorders of internal organs > disorders of blood > [noun] > coagulated blood > buffy coat buff1739 size1771 buffy coat1800 buffed coat1835 crusta phlogistica1890 1890 J. S. Billings National Med. Dict. I. 353/2 Crusta fibrosa, crusta petrosa... Crusta phlogistica, inflammatory or buffy coat of blood. f. historical. A thin plate of embossed metal, etc., inlaid on a vessel, wall, or other object. ΘΚΠ the world > health and disease > ill health > injury > [noun] > wound > scab crust1398 roinc1400 scabc1400 scurfc1440 rovea1500 rig-ruff1611 incrustation1656 scud1825 crusta1842 society > leisure > the arts > visual arts > ornamental art and craft > inlaying > [noun] > plate of inlaid material crusta1842 the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > cerebrum > other parts of cerebrum crusta1842 fossula1850 tegmentum1879 amygdaloid nucleus1889 amygdaloid complex1980 1842 W. T. Brande Dict. Sci., Lit. & Art 303/2 Crusta, in Gem Sculpture, a gem engraved for inlaying on a vase or other object. 1910 Encycl. Brit. XIV. 627/2 The proscenium of the Odeum was lined with crustae, or ‘marble-veneering’, under one inch thick. 1911 Encycl. Brit. XXIII. 484/1 The crustae, or plaques decorated in repoussé, which were mounted on smooth silver cups. 1911 Encycl. Brit. XXIII. 484/1 Cups adorned with golden crustae. This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2021). < n.1806
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