L1: Anatomy of Female Genital Tract - Vagina

Question 1

What Are Internal genital Organs?

Answer 1

• Vagina
• Cervix
• Uterus
• Fallopian Tubes
• Ovaries

Question 2

Def of Vagina

Answer 2

• It is a fibro-muscular organ extending from the vulva to the uterus.

Question 3

Shape of Vagina

Answer 3

• Inverted flask in longitudinal section (its upper end is twice capacious than its lower end).
• Flattened H in cross section (Ant. & Post. walls lie in contact, but lateral walls remain rigid).

Question 4

Length of Vagina

Answer 4

Anterior wall → 7- 9 cm

Posterior wall → 9 - 11 cm

Question 5

Extent of Vagina

Answer 5

Upwards & backwards from vestibule to cervix.

Question 6

Ends of Vagina

Answer 6

Lower end:
- Closed by hymen in virgins.

Upper end:
- Blind & is called vaginal vault.

Question 7

Axis of Vagina

Answer 7

Longitudinal axis of vagina is parallel to plane of pelvic inlet forming angle of about

• 55° with horizontal line in standing position
• 90° with longitudinal axis of cervix.

Question 8

Vaginal Fornices

Answer 8

Question 9

Relations of Vagina

Answer 9

Question 10

Relations of Vagina

• Anterior Wall

Answer 10

Question 11

Relations of Vagina

• Posterior Wall

Answer 11

Question 12

Relations of Vagina

• Lateral Wall

Answer 12

Question 13

Histology of Vagina

Answer 13

Question 14

Histology of Vagina

• epithelium

Answer 14

Question 15

Epitheium of Vagina

• Estrogen helps …….

Answer 15

• The rugae harbor certain organism known as Doderlin’s bacilli that is responsible for vaginal acidity [PH at 4.5] by breaking down glycogen and releasing lactic acid.
• The action of these bacilli is stimulated by estrogen.

Question 16

Epitheium of Vagina

• Doderlein bacilli (lactobacilli)

Answer 16

• The rugae harbor certain organism known as Doderlin’s bacilli that is responsible for vaginal acidity [PH at 4.5] by breaking down glycogen and releasing lactic acid.

Question 17

Epitheium of Vagina

• There are no glands in vagina but it is kept moist by serous transudate from its wall & by cervical discharge.

Answer 17

….

Question 18

Histology of Vagina

• Tunica Propria

Answer 18

thin layer of elastic vascular connective tissues.

Question 19

Histology of Vagina

• Muscle Layer

Answer 19

• thin layer of musculo-facial envelope that surrounds the vagina and continuous above with that of the cx and uterus

Question 20

Histology of Vagina

• Adventetia (Paracolpos)

Answer 20

Question 21

Blood Supply of Vagina

Answer 21

Question 22

Blood Supply of Vagina

• Arterial

Answer 22

Question 23

Blood Supply of Vagina

• Venous

Answer 23

• accompany the corresponding arteries and drain to the internal iliac vein.

Question 24

Lymphatic Drainage of Vagina

Answer 24

Question 25

Nerve Supply of Vagina

Answer 25

Question 26

Applied Anatomy in Vagina

Answer 26

Question 27

Applied Anatomy in Vagina

• Age Changes in Vagina

Answer 27

Question 28

Applied Anatomy in Vagina

• Surgical Anatomy of Anterior Vaginal Wall

Answer 28

Question 29

Applied Anatomy in Vagina

• Prolapse

Answer 29

Question 30

Applied Anatomy in Vagina

• Culdocentesis

Answer 30