Innervation Flashcards

1
Q

The Ilioinguinal nerve originates from

A

L1

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2
Q

The Ilioinguinal nerve enters the inguinal canal where

A

Superficial Inguinal Ring

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3
Q

The Ilioinguinal nerve supplies

A

Skin at root of penis in male and labia in female

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4
Q

The genitofemoral nerve originates at

A

L1-2

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5
Q

The genitofemoral nerve enters where

A

Deep inguinal ring

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6
Q

What structures in the male are supplied by genital branch of genitofemoral nerve

A

Scrotal Skin and Cremaster

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7
Q

The pudendal nerve arises from

A

Sacral Plexus

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8
Q

The pudendal nerve and artery innervate and supply

A

Skin and muscles of perineum

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9
Q

From which segmental level(s) does the pudendal nerve arise?

A

S2-4

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10
Q

What bony landmarks are used when performing a pudendal nerve block during labour

A

Ischial spine

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11
Q

The autonomic nerve supply to the pelvis originates from the

A

Pelvis Plexus or Inferior Hypogastric

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12
Q

The sympathetic fibres of pelvis originate from

A

L1 and 2 via hypogastric nerv and terminal sympathetic trunk

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13
Q

The sympathetic fibres of pelvis supply what male organs (4)

A

Vas Deferens
Seminal Vesicles
Prostate
Epididymis

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14
Q

The sympathetic fibres of pelvis supply what female organs (4)

A

Ovaries
Uterus
Fallopian Tubes
Vagina

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15
Q

Parasympathetic fibres in the pelvis originate from the

A

Pelvic Splanchic Nerves (S2-4)

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16
Q

Parasympathetic fibres in pelvis innervate

A

erectile tissues

17
Q

In the thorax the splanchnic nerves are

A

Sympathetic

18
Q

In the pelvis the splanchnic nerves are

A

parasympathetic

19
Q

Which part of the autonomic nervous system has been affected when men unable to ejaculate?

A

Pudental Nerve

20
Q

The majority of the erectile tissue in the penis is in the

A

Corpus Cavernosa

21
Q

Sensory innervation of penis is through

A

Dorsal nerve of penis

22
Q

Dorsal nerve of penis is a branch of

A

Pudendal Nerve

23
Q

The internal Urethral Sphincter innervation

A

Involuntary

Pudental from S2-4

24
Q

The external Urethral Innervation

A

Voluntary

Deep Branch Perineal S2-4

25
Q

The contents of the vulva are (6) and they are supplied by

A
Mons Pubis
Labia Majora
Labia Minora
Vestibule
Bartholian Glands
Clitoris

Pudental Nerve and Internal Pudental Artery

26
Q

The contents of the vulva are supplied by

A

Pudendal Nerve and Internal pudendal Artery

27
Q

The internal anal sphincter is under what control

A

Involuntary

28
Q

The external anal sphincter is under what control

A

voluntary