opens externally into labia minora and labia majora. It’s folds consist
of stratified squamous epithelium which has mucous lining It secretes a
lubricant fluid. Labia majora is the innermost, thin, moist fold. Labia
minora is outer large and hair covered. pH of vagina is 4.3 It is also
called a “Birth canal”.
Fig : Female reproductive system.
(vi) Gland :
- Bartholin’s gland : it secretes a clear, viscous fluid under sexual
excitement.
- The fluid serves as a lubricant during copulation or mating.
12.2 (a) Menstrual Cycle :
