Female internal reproductive organs (diagram 108) are located in the pelvic cavity and include the vagina, uterus, ovaries and fallopian tubes. Vagin

Vagina and uterus (picture)

Female internal reproductive organs (diagram 108) are located in the pelvic cavity and include the vagina, uterus, ovaries and fallopian tubes.

Vagina

Vagina — a hollow muscular organ with length of 7-9 cm. Above it covers the cervix and form a vault, and the bottom turns into sex gap. The muscle layer of vagina is very developed. Walls have transverse folds, due to them the vagina can significantly stretch. That is very important at the time of birth. The inner surface is paved with mucosa.

Diagram 108. The structure of the female reproductive organs: 1 — colon; 2 — a bunch; 3 — bladder; 4 — pubic symphysis; 5 — the clitoris; 6 — a small sexual lips; 7 — labia lip; 8 — fringe; 9 — fallopian tube; 10 — follicle containing an egg matured; 11 — ovary; 12 — en ligament of the ovary; 13 — the uterus; 14 — the cervix; 15 — the urethra; 16 — rectum; 17 — vagina

Uterus

Uterus — unpaired hollow muscular organ 6-8 cm long that has the body and neck (diagram 109). It is located in the pelvic cavity. Its main function is ensuring the development of the embryo and fetus pushing during labor. During pregnancy, the size and shape of the uterus changes as a result of muscle fibers tension. After labor, it gradually decreases to the previous size. Lining of the uterus is periodically changed in accordance with the phases of the menstrual cycle. Taken from http://worldofschool.org

Diagram 109. The structure of the uterus with ovaries and pipes: 1 — vagina; 2 — the cervix; 3 — opening of the cervical canal; 4 — body of the uterus; 5 — ovary; 6 — trumpet; 7 — ampoule tube; 8 — uterine portion of the tube; 9 — follicles; 10 — egg; 11 — fringe
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Questions:
  • Determine the relationship between the uterus structure and functions.