Follicular fluid is a liquid which fills the follicular antrum and surrounds the ovum in an ovarian follicle. This fluid is rich in hyaluronic acid, and is used in a modified intracytoplasmic sperm injection (ICSI) called physiological ICSI (PICSI), semi-viscous and yellow in colour.
Human ovum examined fresh in the liquor folliculi
- UIUC Histology Subject 1083
- Follicular+fluid at the US National Library of Medicine Medical Subject Headings (MeSH)
- Diagram at med.mun.ca
- Overview at okstate.edu