IMG_0003_NEW_0012 - ovary,t(t lott 6'a g Z1 ln humans about...

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

View Full Document Right Arrow Icon
Oogenesis in mammals Reproductive strategies in vertebrates vary and details of oogenesis in different vertebrates groups differ, which is not surprising given the different reproductive strategies used. ln mammals the number of oocytes does not increase postembryonically as all oocyte precursors have already entered meiosis. Germ cells in the human
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ovary ,t(t lott 6 'a g ! Z1 ln humans about 7 million germ cells are initially formed in the ovary. After the seventh month of embryonic development most of them die, while the remaining ones (primary oocytes) enter meiosis and arrest during prophase of meiosis l. r'ili6€ .! $ lifuinths belbra rtrn*e$lir*-,M&{^{...
View Full Document

This note was uploaded on 12/27/2011 for the course BISC 333 taught by Professor Mattsson during the Fall '09 term at Simon Fraser.

Ask a homework question - tutors are online