Gross Anatomy (Perenium)

Question 1

The anatomical region located between the thighs, in the pelvis is called

Answer 1

Perineum

Question 2

The perineum is separated from the pelvic cavity superiorly by the ?

Answer 2

Pelvic floor

Question 3

The perineum contains structures that support urogenital and GI tract systems such as;

Answer 3

1. Micturition
2. Defecation
3. Childbirth
4. Sexual intercourse

Question 4

A diamond shaped structure found in the region between the external genitalia and the anus is?

Answer 4

The perineum

Question 5

The perineum has how many borders,.. name them?

Answer 5

It has 2 borders
1. Anatomical borders, and
2. Surface borders

Question 6

The anatomical border of the perineum, Anteriorly is

Answer 6

Pubic symphisis

Question 7

The anatomical border of the perineum, Posteriorly is

Answer 7

Tip of coccyx

Question 8

The anatomical border of the perineum, Laterally is

Answer 8

Inferior pubic rami, inferior ischial rami, and the sacrotuberous ligament

Question 9

The anatomical border of the perineum’s roof is the

Answer 9

Pelvic floor

Question 10

The anatomical border of the perineum’s Base is

Answer 10

Skin and fascia

Question 11

The surface borders of the perineum are best shown when the limbs are

Answer 11

Abducted

Question 12

The anterior surface border of the perineum is

Answer 12

Mons pubis in females
Base of the penis in males

Question 13

The lateral surface border of the perineum is the

Answer 13

Medial surface of the thigh

Question 14

The posterior surface border of the perineum is

Answer 14

The inter-gluteal cleft (i.e, the space in between the buttocks)

Question 15

The perineum can be divided into 2 by an imaginary line to form 2 triangles which are;

Answer 15

1. Anterior urogenital triangle
2. Posterior anal triangle

Question 16

The anal triangle is bounded by ?

Answer 16

The coccyx, sacrotuberous ligament, and a theoretical line between the ischial tuberosities

Question 17

The contents of the anal triangle are;

Answer 17

1. Anal aperture
2. External anal sphincter muscle
3. Ischioanal fossa
4. Pudendal nerve

Question 18

The urogenital triangle is bounded anteriorly by

Answer 18

Pubic symphisis and Arcuate pubic ligament

Question 19

The urogenital triangle is bounded posteriorly by

Answer 19

Imaginary line joining ischial tuberosity

Question 20

The urogenital triangle is bounded laterally by

Answer 20

Lower margin of ischiopubic rami

Question 21

The urogenital triangle has an additional layer of strong deep fascia known as

Answer 21

The Perineal membrane

Question 22

In females the Perineal membrane is a tough fascia perforated by?

Answer 22

Urethra and the Vagina

Question 23

A potential space between the deep fascia of the pelvic floor superiorly is

Answer 23

Deep perineal pouch

Question 24

The major contents of the deep Perineal pouch are

Answer 24

1. Muscles
2. Blood vessels
3. Nerves

Question 25

Examples of muscle found in the deep perineal pouch

Answer 25

1. Sphincter urethra 2. Sphincter urethrovaginalis

Question 26

Examples of blood vessels found in the deep perineal pouch

Answer 26

1. Internal pudendal artery 2. Deep artery of the penis/clitoris 3. Dorsal artery of the penis/clitoris

Question 27

The nerve found in the deep Perineal pouch

Answer 27

The dorsal nerve of the penis/clitoris

Question 28

A potential space between the perineal membrane and the superficial perineal fascia is

Answer 28

The superficial perineal pouch

Question 29

The muscles of the penis are?

Answer 29

1. Corpus spongiosum 2. Copora cavernosa

Question 30

In between the urogenital triangle and the anal triangle lies the

Answer 30

Perineal body

Question 31

An irregularly shaped fibromuscular mass that lies deep to the skin around the perineum is known as

Answer 31

Perineal body

Question 32

Contents of the perineal body are;

Answer 32

1. Skeletal muscle 2. Smooth muscle 3. Collagenous and elastic fibres

Question 33

The perineal body acts as a point of attachment for muscle fibres such as

Answer 33

1. Levator Ani 2. Bulbospongiosus muscle 3. Superficial and deep transverse perineal muscle 4. External anal sphincter muscle fibre 5. External urethral sphincter muscle

Question 34

A bundle of muscle fibres that acts as tear resistance between the Vagina and the external anal sphincter is

Answer 34

Perineal body

Question 35

Nerve and blood supply to the Perineal body is through

Answer 35

Pudendal nerve and pudendal artery

Question 36

The pudendal nerve, pudendal artery, and pudendal vein travel along the inner surface of the ischial tuberosities through a canal called?

Answer 36

Alcock's canal