The spermatozoon of Xenopus consists of a coiled head 20 μm long and of a tail 40 μm long. The acrosome is a thin vesicle capping the anterior region of the nucleus. A manchette of mitochondria surrounds the posterior region of the nucleus, the two centrioles, and the beginning of the flagellum. The flagellum shows a conventional 9∗2+2 appearance and is devoid of any accessory structure.
The ultrastructure of Xenopus spermatozoon.
BERNARDINI, GIOVANNI BATTISTA;
1986-01-01
Abstract
The spermatozoon of Xenopus consists of a coiled head 20 μm long and of a tail 40 μm long. The acrosome is a thin vesicle capping the anterior region of the nucleus. A manchette of mitochondria surrounds the posterior region of the nucleus, the two centrioles, and the beginning of the flagellum. The flagellum shows a conventional 9∗2+2 appearance and is devoid of any accessory structure.
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