Key term for OCR GCSE Biology A, used in The endocrine system.
A fluid-filled sac in the ovary that contains an immature egg, which typically grows to about 20 mm in diameter before ovulation.
Follicle appears in OCR GCSE Biology A revision content for Organism level systems, especially The endocrine system and Reproductive technologies.
Create a free account to access OCR GCSE Biology A revision notes, track progress, and practise related key terms.
Organism level systems
The endocrine system • Hormones in human reproduction
