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ANATOMY 3 Final NERVES > BRACHIAL PLEXUS > Flashcards

BRACHIAL PLEXUS Flashcards

1
Q

Formed By

A

Ventral Branches of Spinal Nerves

C6-C7-C8 and TH1

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2
Q

Location

A
  • Cranial to 1st rib
  • btw long muscles of the neck & scalenii muscle
  • To medial shoulder –> FL –> Distal FL
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3
Q

Innervation of

A
  1. Skin and muscle of Thoracic limb
  2. Part of shoulder Girdle
  3. Lateral wall of thorax and abdomen
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4
Q

Type of branches

A

Mixed
From cerebrospinal fibers
+ Autonomous fibers (from stellate ganglion)

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5
Q

Main Nerves

A 
N. Suprascapularis
N. Subscapularis
N. Musculocutaneus
N. Axillaris
N. Radialis
N. Ulnaris
N. Medianus
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6
Q

Nerves supplying Extrinsic muscles of the FL

A 
N. Brachiocephallicus
Nn. Pectoralis cranialis
N. Thoracicus Longus
N. Thoracodorsalis
N. Thoracicus Lateralis
N.Intercostobrachialis
Nn. Pectoralis caudalis
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7
Q

Nerves supplying Extrinsic muscles of the FL

N. Brachiocephallicus

A
  • C6
  • M: Brachiocephallic M
  • S: Skin on cranial antibrachi
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8
Q

Nerves supplying Extrinsic muscles of the FL

Nn. Pectoralis Cranialis

A

C6, C7, C8
M:
- Pectoralis Superficialis M.
- Subclavian M.

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9
Q

Nerves supplying Extrinsic muscles of the FL

N. Thoracicus Longus

A

C7

M: Serrarus ventralis pars thoracis

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10
Q

Nerves supplying Extrinsic muscles of the FL

N. Thoracodorsalis

A

(C7) C8 (Th1)

M: Latissimus Dorsi M.

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11
Q

Nerves supplying Extrinsic muscles of the FL

N. Thoracicus Lateralis

A 
C8, T1
M:
- Pectoralis Profundus M
- Cutaneus Trunchii M
- Mm. Preputialis Cranialis (in males)

S:
Skin lateral on Thorax
Covering the Triceps Brachi M.

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12
Q

Nerves supplying Extrinsic muscles of the FL

N.Intercostobrachialis

A 
C8, T1
M:
- Pectoralis Profundus M
- Cutaneus Trunchii M
- Mm. Preputialis Cranialis (in males)

S:
Skin lateral on Thorax
Covering the Triceps Brachi M.

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13
Q

Nerves supplying Extrinsic muscles of the FL

Nn. Pectoralis caudalis

A

C8, T1, (T2)

M: Pectoralis Profundus

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14
Q

Nerves supplying Extrinsic muscles of the FL

Lymphnodes

A

Ln. Pectoralis superficialis (M.Pectoralis superficialis)

Ln. Pectoralis Profundus (M.Pectoralis profundus)

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15
Q

Nerves Supplying INTRASIC Muscles of the FL

A 
N.Suprascapularis
N.Subscapularis
N. Musculocutaneus
N. Axillaris
N. Radialis
N. Medianus
N. Ulnaris
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16
Q

Nerves Supplying INTRASIC Muscles of the FL

N.Suprascapularis

A 
C6, C7
M: 
M.Supraspinatus
M.Infraspinatus
Art. Humerii
17
Q

Nerves Supplying INTRASIC Muscles of the FL

N.Subscapularis

A

C6, C7 (C8)

M: Cranial and medial Part

18
Q

Nerves Supplying INTRASIC Muscles of the FL

N.Musculocutaneus

A 
C7, C8
M:
M.Coracobrachialis
M.Biceps Brachii
Brachial M. of FL

S: Skin of medial antebrachii

19
Q

Nerves Supplying INTRASIC Muscles of the FL

N.Axillaris

A 
C7, C8
M:
M.Subscapularis (caud)
M.Teres major
M.Teres Minor
M.deltoideus
Art.humerii
(M.Cleidobrachialis)

S:
Skin of front surf of Antebranchii

20
Q

Nerves Supplying INTRASIC Muscles of the FL

N.Radialis

A 
C7, C8, Th1
M:
M.Triceps Brachii
M.Anconeus
M. Tensor Fascia Antebrachii
M. Brachialis
M. Extensor Carpi Radialis
M. Extensor Digitorum Communis
M. Extensor Digitorum Lateralis
M. Extensor Carpi Ulnaris
M. Abductor digiti I longus
M. Brachioradialis
M. Supinator

S:
Skin of lateral Antebrachii

21
Q

Nerves Supplying INTRASIC Muscles of the FL

N.Medianus

A 
C8, Th1
M:
M.Flexor radialis
M. Pronator Teres
M. Pronator Quadratus
M. Flexor digitorum Profundus
M. Flexor digitorum superficialis
S:
Skin palmar to metacarpus
\+ digits (with n.ulnaris)
22
Q

Nerves Supplying INTRASIC Muscles of the FL

N. Ulnaris

A 
C8, T1, (T2)
M: 
M.Flexor carpi Ulnaris
M. Flexor digitorum Profundus
M. Flexor digitorum Superficialis
M.Interosseus

S:
Skin caudal on antebrachii
+ Dorsolat on metacarpus
+ Digits

23
Q

Nerves Supplying INTRASIC Muscles of the FL

LN

A

Ln. Cervicalis Superficialis

ANATOMY 3 Final NERVES (7 decks)

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