Muscles and walls of the pelvic cavity Flashcards

1
Q

Which muscles make up the lateral wall of the pelvic cavity ?

A

Piriformis Obturator internus

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2
Q

What muscles make up the posterior wall of the pelvic cavity?

A

Levator ani muscles Coccygeus

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3
Q

Levator ani muscles?

A

Puborectalis Pubococcygeus Iliococcygeus

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4
Q

what are the functions of the pelvic floor

A

• Supports the viscere and stops them from being pushed through pelvis • Prevents urinary/fecal incontinence • Resistance to increase the intra-abdominal pressure

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5
Q

what is the pelvic floor also known as?

A

Pelvic diaphragm

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6
Q

Innervation of the pelvic floor

A

-S2-S4= Levator ani muscles -S4-S5= Coccygeus

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7
Q

Perineal and anococcygeal bodies function?

A

• Irregular fibromuscular mass • At junction of the urogenital and anal triangles • It acts as a point of attachment for muscle fibres from the pelvic floor and the perineum

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8
Q

What is a cystocele and rectocele?

A

Cystocele: Prolapsed bladder Rectocele: Prolapsed Rectum

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9
Q

Main pelvic viscera of the urinary system?

A

Ureters Urinary bladder Urethra

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10
Q

Main reproductive system viscera in males and females?

A

Males: -prostate -seminal glands -ductus deferens -ejaculatory duct Females: -Vagina -Uterus -Ovaries -Fallopian tubes

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11
Q

The levator ani muscles

A
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12
Q

Where are the bulbocavernosum and the ischiocavernosum muscles?

A
  • Exterior to the levator ani
  • Just underneath the labia majora
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13
Q
A
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14
Q

Perineal bodiesn

A
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