Perineum

Question 1

Perineum plays a vital role in supporting the ………. and ……., facilitating functions such as micturition, defecation, sexual intercourse, and childbirth.

Answer 1

urogenital and gastrointestinal systems,

Question 2

The ……. is an anatomical region located in the pelvis, situated between the thighs and representing the most inferior part of the pelvic outlet.

Answer 2

perineum

Question 3

Boundaries of the Perineum

Answer 3

Anatomical Borders and
Surface Borders

Question 4

Anterior

Answer 4

Pubic symphysis

Question 5

Posterior:

Answer 5

Tip of the coccyx

Question 6

Laterally:

Answer 6

Inferior pubic rami, inferior ischial rami, and sacrotuberous ligaments

Question 7

Roof:

Answer 7

Pelvic floor

Question 8

Base:

Answer 8

Skin and fascia

Question 9

Surface Borders:

Answer 9

Anterior
Laterally
Posterior

Question 10

Anterior:

Answer 10

Mons pubis (females) or base of the penis (males)

Question 11

Laterally:

Answer 11

Medial surfaces of the thighs

Question 12

Posterior:

Question 13

2. Subdivisions of the Perineum
   The perineum can be divided into …… triangles by a line drawn between the ischial tuberosities:

Answer 13

two

Question 14

Subdivisions of the Perineum

Answer 14

anterior urogenital triangle (anterior half)
Anal Triangle (posterior half)

Question 15

Subdivisions of the Perineum
The perineum can be divided into …… triangles by a line drawn between the ischial tuberosities:

Answer 15

Two

Question 16

Contents of the Urogenital Triangle

Answer 16

Deep Perineal Pouch
Perineal Membrane
Superficial Perineal Pouch

Question 17

Contents of the Urogenital Triangle
………Contains part of the urethra, external urethral sphincter, and in females, the vagina.

Answer 17

Deep Perineal Pouch

Question 18

Perineal Membrane: A …………

Answer 18

tough fascia providing attachment for muscles of the external genitalia.

Question 19

……Contains erectile tissues (penis and clitoris) and muscles (ischiocavernosus, bulbospongiosus, and superficial transverse perineal muscles).

Answer 19

Superficial Perineal Pouch:

Question 20

4. Contents of the Anal Triangle
   Anal Aperture: The opening of the anus are:
   …………………..
   …………………..

Answer 20

External Anal Sphincter Muscle: Voluntary muscle controlling the anus.
Ischioanal Fossae: Spaces containing fat and connective tissue, allowing expansion of the anal canal during defecation.

Question 21

………….
An irregular fibromuscular mass located

Answer 21

The Perineal Body