pannusn.

Brit.

/ˈpanəs/, U.S.

/ˈpænəs/

Inflections: Plural panni, (rare) pannuses.

Forms: Middle English panni (plural), Middle English pannum, Middle English– pannus.

Origin: A borrowing from Latin. Etymon: Latin pannus.

Etymology: < post-classical Latin pannus film over the eye (a1250, 14th cent. in British sources), specific use of classical Latin pannus cloth, probably < the same Indo-European base as fane n.¹ Compare French pannus (1721; Littré (1868) takes French panus as the more correct form and derives it from classical Latin pānus , Greek πῆνος web: see panicle n.¹).In the form pannum after the Latin accusative singular; in the plural form panni after the Latin nominative plural.

Medicine.

An abnormal layer of granulation tissue or vascular fibrous tissue covering the cornea or other part of the body, esp. the surfaces of a joint or a prosthetic heart valve. In early use also: †a discoloured area of the skin (obsolete).

ΘΚΠ

the world > health and disease > ill health > a disease > disorders of eye > [noun] > disorders of cornea

whitea1325

maculaa1400

pannusa1400

pannicle1543

onyx1706

carcinoma1722

nubecula1728

paralampsis1749

obfuscation1794

corneitis1854

photophthalmia1907

the world > health and disease > ill health > a disease > diseases of tissue > disorders of joints > [noun] > layer of granulated tissue

pannus1904

a1398 J. Trevisa tr. Bartholomaeus Anglicus De Proprietatibus Rerum (BL Add.) vii. xvi. f. 84 Another euel of þe yȝen þat we clepiþ a webbe, and Constantinus clepiþ it albugo oþir pannus.]

a1400 tr. Lanfranc Sci. Cirurgie (Ashm.) (1894) 189 Pannus is a superfluite þat falliþ in a wommans face, & comeþ ofte in childberyng.

?a1425 MS Hunterian 95 f. 113 (MED) When þe veines..of þe yȝe..be replete of blode..vngula is caused..& pannus, þat is to seie, a webbe.

?a1425 tr. Guy de Chauliac Grande Chirurgie (N.Y. Acad. Med.) 125 To remoue maculas, i. spottes, & lentiginez, i. fraclez, & pannum, i. webbe.

1582 S. Batman Vppon Bartholome, De Proprietatibus Rerum vii. xvi. f. 92^v/1 This web increaseth into Pannus by more thicknesse.

1706 Phillips's New World of Words (new ed.) Pannus..a Disease of the Eye, when the Vessels that run to the corners swell with Blood, by reason of a stoppage or inflammation; so that a fleshy Web afterwards covers the whole Eye, or part of it.

1740 Allen's Synopsis Medicinae (ed. 2) x. 80 They usually distinguish the Pterygium or Pannus into Membranous, Varicose, and Adipose.

1855 W. T. Helmuth Surg. & its Adaptation Into Homoeopathic Pract. 490 Pannus is an opaque and vascular condition of the anterior membrane of the cornea.

1875 H. Walton Pract. Treat. Dis. Eye (ed. 3) 873 Such opacity with vascularity is called pannus.

1904 Boston Med. & Surg. Jrnl. 17 Nov. 531/2 With the swelling which results the membrane at times extends in or over the cartilage, forming a pannus, and wherever this persists for any length of time.., the cartilage under the pannus is more or less absorbed.

1929 R. Pemberton Arthritis & Rheumatoid Conditions iii. 53 The proliferation of the synovial membrane causes a layer of granulation tissue to extend in the form of a thin pannus more or less completely over the joint cartilage.

1976 Jrnl. Thoracic & Cardiovascular Surg. 71 680 At reoperation or autopsy, examination of the prostheses consistently revealed pannus and thrombus which narrowed the inflow orifice and usually extended to the struts.

1994 Amer. Jrnl. Pathol. 145 1127 In inflamed joints, increased staining for bFGF [= basic fibroblast growth factor] was found in the invading panni, hyperplastic synovium, and thickened periosteum.

2001 Daily Tel. 7 Feb. 20/7 Pannus is a condition in which blood vessels grow into the cornea beneath the epithelium. It results from inflammation, and is sometimes associated with an advanced chlamydial eye infection, or the incorrect use of soft-contact lenses.

This entry has been updated (OED Third Edition, March 2005; most recently modified version published online June 2022).

单词	pannus
释义	pannusn. Brit. /ˈpanəs/, U.S. /ˈpænəs/ Inflections: Plural panni, (rare) pannuses. Forms: Middle English panni (plural), Middle English pannum, Middle English– pannus. Origin: A borrowing from Latin. Etymon: Latin pannus. Etymology: < post-classical Latin pannus film over the eye (a1250, 14th cent. in British sources), specific use of classical Latin pannus cloth, probably < the same Indo-European base as fane n.¹ Compare French pannus (1721; Littré (1868) takes French panus as the more correct form and derives it from classical Latin pānus , Greek πῆνος web: see panicle n.¹).In the form pannum after the Latin accusative singular; in the plural form panni after the Latin nominative plural. Medicine. An abnormal layer of granulation tissue or vascular fibrous tissue covering the cornea or other part of the body, esp. the surfaces of a joint or a prosthetic heart valve. In early use also: †a discoloured area of the skin (obsolete). ΘΚΠ the world > health and disease > ill health > a disease > disorders of eye > [noun] > disorders of cornea whitea1325 maculaa1400 pannusa1400 pannicle1543 onyx1706 carcinoma1722 nubecula1728 paralampsis1749 obfuscation1794 corneitis1854 photophthalmia1907 the world > health and disease > ill health > a disease > diseases of tissue > disorders of joints > [noun] > layer of granulated tissue pannus1904 a1398 J. Trevisa tr. Bartholomaeus Anglicus De Proprietatibus Rerum (BL Add.) vii. xvi. f. 84 Another euel of þe yȝen þat we clepiþ a webbe, and Constantinus clepiþ it albugo oþir pannus.] a1400 tr. Lanfranc Sci. Cirurgie (Ashm.) (1894) 189 Pannus is a superfluite þat falliþ in a wommans face, & comeþ ofte in childberyng. ?a1425 MS Hunterian 95 f. 113 (MED) When þe veines..of þe yȝe..be replete of blode..vngula is caused..& pannus, þat is to seie, a webbe. ?a1425 tr. Guy de Chauliac Grande Chirurgie (N.Y. Acad. Med.) 125 To remoue maculas, i. spottes, & lentiginez, i. fraclez, & pannum, i. webbe. 1582 S. Batman Vppon Bartholome, De Proprietatibus Rerum vii. xvi. f. 92^v/1 This web increaseth into Pannus by more thicknesse. 1706 Phillips's New World of Words (new ed.) Pannus..a Disease of the Eye, when the Vessels that run to the corners swell with Blood, by reason of a stoppage or inflammation; so that a fleshy Web afterwards covers the whole Eye, or part of it. 1740 Allen's Synopsis Medicinae (ed. 2) x. 80 They usually distinguish the Pterygium or Pannus into Membranous, Varicose, and Adipose. 1855 W. T. Helmuth Surg. & its Adaptation Into Homoeopathic Pract. 490 Pannus is an opaque and vascular condition of the anterior membrane of the cornea. 1875 H. Walton Pract. Treat. Dis. Eye (ed. 3) 873 Such opacity with vascularity is called pannus. 1904 Boston Med. & Surg. Jrnl. 17 Nov. 531/2 With the swelling which results the membrane at times extends in or over the cartilage, forming a pannus, and wherever this persists for any length of time.., the cartilage under the pannus is more or less absorbed. 1929 R. Pemberton Arthritis & Rheumatoid Conditions iii. 53 The proliferation of the synovial membrane causes a layer of granulation tissue to extend in the form of a thin pannus more or less completely over the joint cartilage. 1976 Jrnl. Thoracic & Cardiovascular Surg. 71 680 At reoperation or autopsy, examination of the prostheses consistently revealed pannus and thrombus which narrowed the inflow orifice and usually extended to the struts. 1994 Amer. Jrnl. Pathol. 145 1127 In inflamed joints, increased staining for bFGF [= basic fibroblast growth factor] was found in the invading panni, hyperplastic synovium, and thickened periosteum. 2001 Daily Tel. 7 Feb. 20/7 Pannus is a condition in which blood vessels grow into the cornea beneath the epithelium. It results from inflammation, and is sometimes associated with an advanced chlamydial eye infection, or the incorrect use of soft-contact lenses. This entry has been updated (OED Third Edition, March 2005; most recently modified version published online June 2022). < n.a1400
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