Oogonium
An ancestral cell that gives rise to an oocyte.
Read Also:
- Oophorectomy  
The removal of one or both ovaries by surgery.
 - Oophoritis  
Inflammation of the ovary, or egg sac.
 - OPCA  
Olivopontocerebellar atrophy.
 - Open charting  
The practice of making medical charts available to the patient.
 - Open cholecystectomy  
Laparoscopic cholecystectomy.
 
