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单词 maldescent
释义

maldescentn.

Brit. /maldᵻˈsɛnt/, U.S. /ˌmældəˈsɛnt/, /ˌmældiˈsɛnt/
Origin: Formed within English, by derivation. Etymons: mal- prefix, descent n.
Etymology: < mal- prefix + descent n. Compare maldescended adj.
Medicine.
The state (of a testis) of being maldescended; incomplete descent.
ΘΚΠ
the world > health and disease > ill health > a disease > disorders of internal organs > reproductive organ disorders > [noun] > of male > disorders of testicles
hydrocele1598
spermatocele1684
sarcocele1743
orchitis1799
orchidocele1842
orchiocele1842
vaginalitis1848
epididymitis1849
tuberculocele1858
maldescent1908
seminoma1931
1908 Ann. Surg. 48 324 The different types of maldescent of the testis.
1948 L. C. Martin & M. Hynes Clin. Endocrinol. viii. 159 In cryptorchidism the testes remain in the abdomen, in maldescent they lie in the inguinal canals or unduly high in the scrotum.
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.
1987 D. J. Weatherall et al. Oxf. Textbk. Med. (ed. 2) I. x. 98/1 It is relatively easy to produce vascular damage such as in surgery for testicular maldescent or inguinal hernia.
This entry has been updated (OED Third Edition, June 2000; most recently modified version published online March 2022).
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n.1908
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