Relations of hormone levels in blood serum changes in the endometrium during the menstrual cycle.

Illustration of portio vaginalis cervicis.

Illustration of the ovary section.

Illustration of internal female genital organs. Frontal section of the uterus on view from behind.

Illustration of external female genitalia.

Illustration of rectal palpation of the prostate in sagittal section of the pelvis.

Illustration showing the retroperitoneal localisation of kidneys and large vessels.

Illustration of the frontal section of the pelvis, rectum at level of anal canal.

Illustration of pelvic floor muscles from superior view.

Illustration of perineal region dissection of male.

Illustration of perineal region dissection of female.