system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All of the following are coverings of a mature graffian follicle, except ?
assistant
The correct answer is  Coverings of the mature or graffian follicle are (From inner to outer) * Innermost layer is the the granulosa cells* The theca interna* The theca externa