| 释义 |
acrosome Zool.|ˈækrəsəʊm|
[ad. G. akrosoma (M. von Lenhossék 1898, in Archiv. Mikrosk. Anat. LI. 282), f. acro- + -some (cf. Gr. σῶµα body).]
A cap-like structure forming the anterior part of the head of a spermatozoon. Hence acroˈsomal, acroˈsomic adjs.
1899J. H. McGregor in Jrnl. Morphology XV. Suppl. 91 For this body in mammals Lenhossek proposed the term ‘Akrosom’, and throughout the present paper I shall call it the acrosome. Ibid. 93 The attachment of acrosome to nucleus marks the anterior end of the spermatid from the start. 1940Chambers's Techn. Dict. 10/1 Acrosomal. 1951G. H. Bourne Cytol. & Cell Physiol. (ed. 2) vi. 271 There is evidence..that the [Golgi] apparatus is associated with..the formation of fatty yolk in eggs, and of the acrosome in spermatozoa. 1952Amer. Jrnl. Anat. XC. 169 One to four granules..coalesced, forming one larger structure, the acrosomic granule. 1960L. Picken Organization of Cells vi. 231 The ‘acrosomic system’ (that is, acrosome, head-cap, and precursors). Ibid. 233 The acrosomal vesicle containing the acrosome. |