求助： 睾丸各阶段生殖细胞的形态学特征（mice, human）

qgjin

跪求：睾丸各阶段生殖细胞的形态学特征（mice, human）
" e% l  X+ t  W: r+ g      最好是描写显微镜下的生长情况和 单个的形态学特征。

zhangwwcell

先谢了，下载下载下来看看再说。

xiaomao_zhoubo

谢谢

initiation

这里有一张关于小鼠生殖的图片：/ m5 [4 ^$ M" s, F. T4 ~" d
、
% M# l$ m% H/ B+ ~. Z' F- k  J& E9 p) J
Mouse spermatogenic lineage. When a spermatogonial stem cell (type As spermatogonia) divides, daughter cells can remain type As
7 y# G4 W/ q8 e7 o) H5 z$ @* R1 F3 u) dspermatogonia (self-renewal) or commit to differentiation, giving rise through 12 amplifying divisions (212) to a clone of spermatogenesis that could
! U4 V3 N6 v+ O- B$ T% g0 k$ ftheoretically contain 4,096 spermatozoa. Once committed to differentiation, an As spermatogonial stem cell gives rise to a pair of undifferentiated
5 A$ i/ r5 [* x# Z& Bspermatogonia (Apr) that are connected by a cytoplasmic bridge. Incomplete cytokinesis is a hallmark of germ cell proliferation. The first four1 [, C4 `& q4 F" Z; O+ f; x0 r
population doubling divisions (21–24) generate chains of undifferentiated Apr and Aal spermatogonia; Apr, Aal4, Aal8, Aal16, which collectively make
% t# n% @% R/ u* Y! X/ m- C- tup the pool of progenitor spermatogonia. Differentiation becomes evident morphologically when a chain of Aal16 spermatogonia becomes a chain of, J( X$ S& ~0 Z3 e/ s
type A116 spermatogonia. The next five population doubling divisions (25–29) generate types A2, A3, A4, intermediate, and B differentiating
; ^- F- `* y8 b/ Tspermatogonia. The 10th division (210) produces primary spermatocytes (4N) and is followed by two meiotic divisions (211–212) and spermiogenesis
% x( _6 s% }) k3 T6 Y9 lto produce 1N, terminally differentiated spermatozoa. Abbreviations: Aal, Aaligned; Apr, Apaired; As, Asingle.

lixiaodong

See whether this is helpful. Mouse testis.