| 释义 |
maldeˈscent Med.
[f. mal- + descent.]
The state (of a testis) of being maldescended; incomplete or ectopic descent.
1908Ann. Surg. XLVIII. 324 The different types of maldescent of the testis. 1948L. Martin 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. 1954G. I. M. Swyer Reproduction & Sex vi. 65 Sometimes maldescent is present on one side only, the testicle on the other side being situated in the normal position. 1964Arch. Dis. Childhood XXIX. 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. |