Image of the Week — April 22, 2018
CIL:39036 — http://cellimagelibrary.org/images/39036
Description: A photomicrograph of a stained semi-thin section of mouse ovary, showing a maturing Graafian follicle. The ovary contains many follicles that contain immature oocytes (egg cells). The follicle is important to support maturation and also develops through a number of stages as the ooctye matures. This process of folliculogenesis includes; the immature dormant primordial follicle, primary follicle, secondary follicle and tertiary stage follicle before ovulation occurs. The tertiary stage follicle is also called an antral or Graafian follicle characterised by a large fluid filled space (or antrum). The Graafian follicle also contains a fully mature oocyte at its full size complete with zona pellucida.
Author: Spike Walker
Licensing: Attribution-NonCommercial-NoDerivs 2.0 UK: England & Wales (CC BY-NC-ND 2.0 UK)
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