adventitian.

Brit.

/ˌadv(ə)nˈtɪʃə/,

/ˌadvɛnˈtɪʃə/, U.S.

/ˌædˌvɛnˈtɪʃə/

Inflections: Plural adventitiae, adventitias.

Origin: Formed within English, by clipping or shortening. Etymon: Latin tunica adventitia.

Etymology: Shortened < scientific Latin tunica adventitia (1838 or earlier) < classical Latin tunica tunic n. + adventītia , feminine singular of adventītius (see adventitious adj.).In plural form adventitiae after the Latin plural form.

Anatomy.

A layer of connective tissue forming an outer sheath around an organ, typically blending with adjacent connective tissue; spec. the tunica adventitia of a blood vessel.

ΘΚΠ

the world > health and disease > ill health > a disease > disorders of internal organs > [noun] > covering or coating

adventitia1854

jacket1897

1854 Brit. & Foreign Medico-chirurg. Rev. 13 203 The adventitia of the blood-vessels, together with the continuation of that from the lacteals in the mesentery, form a sheath round the blood-vessels within the wall of the tube.

1880 H. Savage Surg., Surg. Pathol. & Surg. Anat. Female Pelvic Organs (ed. 3) 47 The thin coated veins, closely adherent through their scarcely perceptible connective tissue adventitiæ, have the appearance of mere tortuous channels in the uterine substance.

1892 W. Osler Princ. & Pract. Med. i. xxv. 179 Gummatous Peri-arteritis.—With or without involvement of the intima, nodular gummata may develop on the adventitia of the artery.

1904 W. T. Bull et al. tr. E. von Bergmann et al. Syst. Pract. Surg. IV. 101 The best method is that of intestinal suture, in separate layers (mucosa, muscular coat, and adventitia).

1948 Amer. Jrnl. Surg. 76 439/1 The adventitia [of the cecum] was composed of dense fibrous tissue.

1967 Brain 90 765 The loosening of the attachments of the adventitia to the surrounding brain tissue could well be the result of the arterial elongation and folding.

2009 Jrnl. Exper. Med. 206 2400/2 (caption) The adventitias were removed, and the remaining tissues (intima + media) in each group were pooled.

This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).

单词	adventitia
释义	adventitian. Brit. /ˌadv(ə)nˈtɪʃə/, /ˌadvɛnˈtɪʃə/, U.S. /ˌædˌvɛnˈtɪʃə/ Inflections: Plural adventitiae, adventitias. Origin: Formed within English, by clipping or shortening. Etymon: Latin tunica adventitia. Etymology: Shortened < scientific Latin tunica adventitia (1838 or earlier) < classical Latin tunica tunic n. + adventītia , feminine singular of adventītius (see adventitious adj.).In plural form adventitiae after the Latin plural form. Anatomy. A layer of connective tissue forming an outer sheath around an organ, typically blending with adjacent connective tissue; spec. the tunica adventitia of a blood vessel. ΘΚΠ the world > health and disease > ill health > a disease > disorders of internal organs > [noun] > covering or coating adventitia1854 jacket1897 1854 Brit. & Foreign Medico-chirurg. Rev. 13 203 The adventitia of the blood-vessels, together with the continuation of that from the lacteals in the mesentery, form a sheath round the blood-vessels within the wall of the tube. 1880 H. Savage Surg., Surg. Pathol. & Surg. Anat. Female Pelvic Organs (ed. 3) 47 The thin coated veins, closely adherent through their scarcely perceptible connective tissue adventitiæ, have the appearance of mere tortuous channels in the uterine substance. 1892 W. Osler Princ. & Pract. Med. i. xxv. 179 Gummatous Peri-arteritis.—With or without involvement of the intima, nodular gummata may develop on the adventitia of the artery. 1904 W. T. Bull et al. tr. E. von Bergmann et al. Syst. Pract. Surg. IV. 101 The best method is that of intestinal suture, in separate layers (mucosa, muscular coat, and adventitia). 1948 Amer. Jrnl. Surg. 76 439/1 The adventitia [of the cecum] was composed of dense fibrous tissue. 1967 Brain 90 765 The loosening of the attachments of the adventitia to the surrounding brain tissue could well be the result of the arterial elongation and folding. 2009 Jrnl. Exper. Med. 206 2400/2 (caption) The adventitias were removed, and the remaining tissues (intima + media) in each group were pooled. This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021). < n.1854
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