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单词 undescended
释义

undescendedadj.

Brit. /ˌʌndᵻˈsɛndᵻd/, U.S. /ˌəndəˈsɛndəd/, /ˌəndiˈsɛndəd/
Etymology: un- prefix1 2.
1. Of a person: not in the line of descent.
ΚΠ
1701 D. Defoe True-born Englishman i. 14 Yet who the Hero was, no man can tell... The silent Record blushes to reveal Their Undescended Dark Original.
2. Medicine. Applied to a testis that has not descended into the scrotum from its fœtal position in the abdominal cavity.
ΘΚΠ
the world > health and disease > ill health > a disease > disorders of internal organs > reproductive organ disorders > [adjective] > of male > disorders of testicles
orchitic1857
undescended1897
maldescended1908
retractile1937
1897 in Lippincott's Med. Dict.
1901 Ann. Surg. XXXIV. 234 The undescended testicle is an extremely interesting organ.
1908 Ann. Surg. 48 321 (heading) Treatment of the undescended or maldescended testis.
1964 Arch. Dis. Childhood 29 607/1 Any testis not in the scrotum, that is, 4 cm. or less from the pubic crest in infants and boys is undescended. If it is more than this distance but not as low as it should be it is incompletely descended. The terms mal-descent and imperfect descent have no useful meaning.
1980 Amer. Jrnl. Roentgenol. 135 211/2 Until recently, localization of the undescended testicle has remained a clinical urologic problem.
This entry has not yet been fully updated (first published 1921; most recently modified version published online March 2022).
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adj.1701
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