| 释义 |
polymastia Med.|pɒlɪˈmæstɪə|
Also anglicized as -masty.
[mod.L., ad. G. polymastie, f. Gr. πολυ- poly- + µαστός breast.]
The condition of having more than two breasts (the supernumerary ones being generally very small). Cf. polymastism.
1878Glasgow Med. Jrnl. X. 70 Polymastia is not extremely rare in the female sex, but is so in the male. 1904G. S. Hall Adolescence (1908) I. vi. 421 Polymasty or supernumerary breasts occurs about once in five hundred persons. 1928M. Summers Discovery of Witches 40 A large number of cases may be explained by polymastia and polythelia, anatomical divagations which are far commoner than is generally supposed. 1970H. P. Leis Diagnosis & Treatm. Breast Lesions i. 15 Polymastia, presenting as more than one breast on one or both sides, is due to the persistence of part of the milk ridge and these supernumerary breasts can occur anywhere along the milk line.
Hence polyˈmastic a. and n., (a person or animal) having more than two breasts; polyˈmastoid a. (rare).
1879Jrnl. Anat. & Physiol. XIII. 434 In the dog, which is the only polymastoid animal readily available, the position of the nipples seems to be irregular and unsymetrical [sic]. 1891Ibid. XXV. 228 The additional mammary structures do not develop just anywhere; but they appear only in certain definite positions, which almost invariably correspond with those occupied normally by the glands of polymastic animals. 1918Deaver & McFarland Breast iii. 54 Robert..points out that the mother of his famous case of supernumerary mammae on the outer side of the thigh, was a polymastic. 1934Jrnl. R. Anthrop. Inst. LXIV. 93 The best known examples of the first form are the paleolithic figures at Laussel and the polymastic Diana of the Ephesians. 1943C. F. Geschickter Dis. Breast i. 12 Most authors have found the majority of the accessory mammae below the normally situated pair... Iwai, however, in 511 Japanese polymastics, found 88 per cent of the supernumerary breasts above the normal ones. |