替代品
发表于 2025-3-25 03:22:08
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法律
发表于 2025-3-25 07:58:07
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纤细
发表于 2025-3-25 12:15:52
0301-5556 tively small number of species, compared with other classes of vertebrates. Reproduction is the section in the life cycle of an animal which is most dependent u978-3-540-11326-3978-3-642-68460-9Series ISSN 0301-5556 Series E-ISSN 2192-7065
中古
发表于 2025-3-25 19:37:23
Introduction,estwood 1977; Roosen-Runge 1977). The morphology of the gonads has been treated in far less detail, and has been confined to a comparatively small number of species, compared with other classes of vertebrates.
聋子
发表于 2025-3-25 23:50:23
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GRAIN
发表于 2025-3-26 01:33:12
Topography and Microscopic Anatomy of the Testes of the Swan,to the testes, this fusion reaches the dorsal mesenterium, but in the area of the testes themselves it only reaches to about the middle of each adrenal gland. Therefore in the swan the testes do not bulge into the abdominal air sacs as they do in other birds (Duncker 1979), but are located on each s
幸福愉悦感
发表于 2025-3-26 06:04:18
The Regression Period (Electron Microscopic Studies),m on their way from the interstitial tissue across the germinal epithelium. Therefore that phase in the process of involution which was decribed light microscopically as phase 4 of the annual cycle will now be described and discussed in the light of electron microscopy.
SEVER
发表于 2025-3-26 10:58:09
Book 1982 and Westwood 1977; Roosen-Runge 1977). The morphology of the gonads has been treated in far less detail, and has been confined to a comparatively small number of species, compared with other classes of vertebrates. Reproduction is the section in the life cycle of an animal which is most dependent u
FLING
发表于 2025-3-26 16:42:29
The Annual Cycle of the Male Gonads (Light Microscopic Studies),ithelium, the regression phase stretches over a comparatively long period of time, right into autumn. It continues into the resting phase which is followed again by the beginning of a new annual cycle (Figs. 20a, b).
音的强弱
发表于 2025-3-26 17:58:51
Introduction,is class is more or less complete. Extensive observations — to a large extent by amateur ornithologists — with respect to geographical distribution, life cycles, demands on and adaptations to the environment, breeding habits, migration, and so forth have contributed towards basic and more widely rel