Gross Anatomy of the Perineum - Mr. Obun Cletus Flashcards

1
Q

The region of the pelvis found in the thigh is known as?

A

The perinuem

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2
Q

What is the anatomical shape of the perineum?

A

It has a diamond shape area

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3
Q

How many borders do the perineum have?

Namely;

A

3 borders

Anterior
Posterior
Lateral

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4
Q

The perineum is subdivided into ____ parts, namely?

A

2 parts

Urogenital Triangle
Anal Triangle

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5
Q

The posterior part of the perineum is made up of?

A

Anal aperture
External anal sphincter muscle
Ishronal fossae

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6
Q

Which muscle helps in contraction of the anus

A

External Anal sphincter muscle

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7
Q

Where is the Anal triangle located?

A

It is located at the posterior half of the perineum

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8
Q

The Anal triangle is bounded by?

A

The coccyx

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9
Q

List the borders of the urogenital triangle

A

Anterior border
Posterior border
Lateral border

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10
Q

The urethra
The External

Are content of _____

A

The urogenital triangle

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11
Q

A tough fascia which is perforated by the urethra is known as?

A

The perineal memberane

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12
Q

The potential space between the perineal membrane and the superficial perineal fascia is known as?

A

Superficial perineal pouch

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13
Q

The perineal membrane provides attachment for ?

A

The External genitalia

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14
Q

A thick fibromusclar structure found in the middle of the perineum is known as?

A

Sacrotuberous ligament

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15
Q

_____ is a paired muscle

A

Ischiocavernous

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16
Q

The root of the penis is bounded by ______ and ______?

A

The crus of the ischiocavernous and the bulb of the bulbospongiosus

17
Q

_____ forms the head of the penis and also the clitoris

A

The bulbospongiosus

18
Q

In the male, _____ helps in ejaculation and _____

A

The urethra

And Urination

19
Q

The bulb of the penis is anchored on?

A

The pineal point

20
Q

____ is responsible for the erection of the penis?

A

The suspensory ligament

21
Q

Scrota is to _____ and labia is to _____

A

Male and female

22
Q

The anatomical region of the pelvis is known as ______?

A

The perneum

23
Q

List the functions of the perinuem

A
  1. Child birth
  2. Sexual Intercourse
  3. Defecation
24
Q

The area between the external genitalia and the anusis referred to as_____

A

The perineum

25
Q

List the anatomical borders of the perineum and location

A

Anteriorly, pubic symphysis
Posteriorly, the tip of the coccyx
Laterally, the sacrotuberous ligament
Roof, pelvic floor
Base, Skin and fascia

26
Q

List the surface border of the periuem and it’s location

A

Anteriorly, mons pubis in female and base of the penis in male
Laterally, medial surface of the thighs
Posteriorly, superior end of the intergluteal cleft

27
Q

Anal triangle is bounded by _____ and ______

A

The coccyx and the sacrotuberous ligament

28
Q

The nerve that supplies the perineum (anus) with the somatic fibre is called _______

A

Pudendal nerve

29
Q

The perineal membrane provides attachment for _____ muscle

A

External genitalia

30
Q

How many layers of the urogenital triangle?

List them

A

3 layers

Namely:

Deep perineal pouch
Superficial perineal pouch
The perineal point/ body

31
Q

The potential sace between the deep fascia of the pelvic floor and the perineal membrane is ______

A

Deep perineal pouch

32
Q

The penis is divided into______
Namely:

A

It is divided into 3

Namely:

The root
The Body
The glans

33
Q

The root of the pemis contains _____ and ______

A

The bulb of penis and paired crus