单词	spermatocyte
释义	spermatocyte /ˈspəːmətə(ʊ)sʌɪt / /spəˈmatə(ʊ)sʌɪt/ noun Biology A cell produced at the second stage in the formation of spermatozoa, formed from a spermatogonium and dividing by meiosis into spermatids.Lying between, and nurtured by, the Sertoli cells, the primary spermatocytes undergo two meiotic divisions and cellular remodelling to produce mature sperm.... After 5 weeks, oligospemia was observed, and after 10 weeks, testicular atrophy accompanied by the loss of sperm cells and spermatocytes was confirmed. The first breakthrough in the development of insect cell culture was the report of maturation of testicular follicle cells to spermatocytes in a moth in an artificial medium.
随便看	Tank watch tan line tannable tannate tanner tannery Tannhäuser tannia tannic tannic acid tannie tannin tanning bed tannish tannoy Tannu-Tuva Tanoan tanorexia tanorexic tan (or whip) someone's hide tanpura Tansen tansu tansy tantalic

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