Similar words: spermatic, spermatic cord, spermatheca, spermatozoa, spermatozoon, spermatocyte, higher mathematics, spermatogonia. Meaning: n. an immature gamete produced by a spermatocyte; develops into a spermatozoon.
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1, The spermatid differentiation can be divided into five stages.
2, Following the spermatid elongation, the shape of CA is progressively transformed and extended.
3, But Mature of the spermatid was still hard to achieved.
4, The inhibitory rate of spermatid micronucleus and spermatozoon malformation is 57.38% and 50.87% respectively.
5, As spermatid nucleus elongates, the chromatin fibers are unwound and join together to form ribbon structure.
6, Integrity of spermatid membrane was examined by improved hyponotic swelling test.
7, The secondary spermatocytes become the spermatid quickly by short time development.
8, In the secondary maturation cell division the secondary spermatocyte generated spermatid containing 32 nuclei with round, spindle and crescent shapes, which eventually developed into 32 spermatozoon.
9, Chromatin hetropycnote partly in spermatogonium, then become highly coacervate to form chromosome at the stage of spermatid and at last decondense at the stage of spermatozoon.
10, The results indicates that the spermatogenic process was like other teleosts, both included following stages spermatogonium , primary spermatocyte, secondary spermatocyte, spermatid and spermatozoon.
11, In the last EXP, the testis development during the first mature and the ultrastructure of spermatocytes of were studied. The process of spermatid formation was described.
12, In aspermous Patients the reason is the obstruction of spermatogenesis, the most common obstruction occurs in the spermatid level.
13, It could be hypothesized that the ZNF474, functioning as a germ cell specific transcription factor may play important roles in spermatid differentiation and oocyte development.
14, The disappearing of the centriolar adjunct and proximal centriole in succession might be considered as a sign of being mature completely of the spermatid.
15, The mitochondria and the acrosomal structure hadn't been found in spermatid and sperm.
16, The antimutagenic effect of Cortex acanthopanasia Radicis(CAR) has been studied by mean of micronucleus test of mouse bone marrow polychromatic erythrocyte (PCE) and mouse spermatid malformation test.
17, In male, the immunopositive reaction in spermatogonia,[http://sentencedict.com/spermatid.html] spermatocyte and spermatid to testosterone antibodies strengthened gradually during the development and maturation of testis.
18, A single centriole appears at the late stage of spermatid.
19, The sensitivity degree of spermatiferous cells to the change of temperature are, in turn, spermatid, zygotene primary spermatocytes and type A spermatogonia.
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