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