8b c spermatogenesis spermatogonium2n differentiation

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: walls of seminiferous tubules are in various stages of cell division These spermatogenic cells give rise to sperm in a series of events Mitosis of spermatogonia, forming spermatocytes Meiosis forms spermatids from spermatocytes Spermiogenesis – spermatids form sperm Mitosis of Spermatogonia Mitosis of Spermatogonia Spermatogonia – outermost cells in contact with the epithelial basal lamina Spermatogenesis begins at puberty as each mitotic division of spermatogonia results in type A or type B daughter cells Type A cells remain at the basement membrane and maintain the germ line (aka _____ cells) Type B cells move toward the lumen and become primary spermatocytes Spermatocytes to Spermatids Spermatocytes to Spermatids Primary spermatocytes undergo meiosis I, forming two haploid cells called secondary spermatocytes Secondary spermatocytes undergo meiosis II and their daughter cells are called spermatids Spermatids are small round cells seen close to the lumen of the tubule Figure 27....
View Full Document

This note was uploaded on 09/13/2011 for the course BIOL 2401 taught by Professor Rameriz during the Spring '11 term at University of Texas at Dallas, Richardson.

Ask a homework question - tutors are online