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Anatomy 1 Final > Gross - Axilla and Brachial Plexus > Flashcards

Gross - Axilla and Brachial Plexus Flashcards

1
Q

Pyramidal shaped region between the arm and chest

A

Axilla

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2
Q

Anterior wall of the axilla

A

Pec. major and minor mm.

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3
Q

Posterior wall of the axilla

A

Latissimus dorsi, Teres major and Subscapularis mm.

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4
Q

Medial wall of the axilla

A

Serratus anterior m.

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5
Q

Lateral wall of the axilla

A

Intertubercular sulcus of the humerus

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6
Q

Base of the axilla

A

Skin and fascia of the arm pit

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7
Q

The axillary artery and brachial plexus runs through this part of the axilla

A

Axillary sheath

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8
Q

Lymphatics form the base of the axilla

A

Pectoral, subscapular and humeral

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9
Q

The pectoral, humoral and subscapular lymphatics drain to here

A

Central lymph nodes

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10
Q

The central lymph node drains to here

A

Apical lymph nodes

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11
Q

Lymph nodes that drain the anterior thoracic wall and most of the breast

A

Pectoral

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12
Q

Lymph nodes that drain the posterior thoracic wall and the scapular region

A

Subscapular

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13
Q

Lymph nodes that drain most of the upper limb

A

Humeral

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14
Q

Most of the body’s lymph nodes drain to here

A

Thoracic duct

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15
Q

What does not drain to the thoracic duct

A

Right limb, thorax, head and neck

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16
Q

This surrounds the arteries, nerves, veins and lmphatics of the axillary region

A

Axillary sheath

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17
Q

The branch of first part of the axillary artery

A

Superior thoracic a

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18
Q

The borders of the first part of the axillary a.

A

Between 1st rib and pectoralis minor.

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19
Q

The borders of the second part of the axillary a.

A

Deep to pectoralis minor

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20
Q

Branches of the 2nd part of the axillary a.

A

Thoracoacromial and lateral thoracic aa

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21
Q

Borders of the 3rd part of the axillary a.

A

Between pectoralis minor and Teres major mm.

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22
Q

Branches of the 3rd part of the axillary a.

A

Subscapular a.
Anterior circumflex humeral a.
Posterior circumflex humeral a.

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23
Q

Brachial plexus is composed of ventral rami from these vertebrae

A

C5-T1

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24
Q

Which upper limb muscle is not innervated by the brachial plexus

A

Trapezius m.

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25
Sturcture of the brachial plexus that emerges in the upper neck
Rami
26
The trunks of the brachial plexus form here
Lower neck
27
Structure of the brachial plexus that splits off behind the clavicle
Division
28
Where to the brachial plexus cords form?
In the axillary region
29
The structure of the brachial plexus that splits off in the upper arm
Branches
30
These rami come together to form the upper trunk
C5 & C6
31
The middle trunk is formed from this
C7 Rami
32
C8 and C7 rami come together to form this
Lower trunk
33
The posterior cord is formed from these
All of the posterior divisions
34
The lateral cord splits to form these two terminal branches
Musculocutaneous | Median
35
The posterior cord splits to form these two terminal branches
Axillary | Radial
36
The medial cord splits to form these two terminal branches
Median | Ulnar
37
These two terminal branches are formed from all 5 rami
Radial | Median
38
What rami form the musculocutaneous branch?
C5-C7
39
What rami form the axillary branch?
C5 & C6
40
What rami form the ulnar branch?
C8 & T1
41
Nerve that pierces the coracobrachialis.
Musculocutaneous n.
42
What does the musculocutaneous innervate
Coracobrachialis, biceps and 1/2 of brachialis m.
43
Musculocutaneous m. is formed from this cord
Lateral
44
Median n. is formed from these cords
Laterla | Medial
45
The median n. innervates this area
Anterior of the forearm
46
The ulnar n. is formed from this cord
Medial
47
The ulnar n. innervates this area
Muscles of the hand
48
The axillary n is formed by this cord
Posterior
49
The axillary n. runs through this space
Quadrangular space
50
What does the axillary n. innervate?
Deltoid and Teres minor mm.
51
The radial n. is formed from this cord
Posterior
52
What area does the radial n. pass through?
Triangular interval
53
What does the radial n. inervate?
All of the muscles of the axillary and brachial regions and 1/2 of the brachialis m.
54
The dorsal scapular n. branches from here
C5 rami
55
What does the dorsal scapular n. innervate?
Rhomoids and levator scapulae mm.
56
The long thoracic n. branches from here
C5-C7
57
What does the long thoracic n. innervate?
Serratusanterior m.
58
The suprascapular n. branches from here
Superior trunk
59
What does the suprascapular n. innervate?
Supraspinatus and infraspinatus m.
60
The lateral pectoral n. branches from here
Lateral cord
61
These three nn. branch from the posterior cord
Upper subscapular n. Lower subscapular n. Thoracodorsal n.
62
These three nn. branch from the medial cord
Medial pectoralis n. Medial brachial cutaneous n. Medial antebrachial cutaneous n.
63
The lateral pectoralis n. innervates this
Pectoralis major
64
The medil pectoralis n. innervates this
Pectoralis major and minor
65
The upper subscapularis n. innervates this
Supscapularis m.
66
The thoracodorsal n. innervates this
Latissimus dorsi
67
The lower subscapularis n. innervates this
Subscapularis and Teres major mm.
68
The nerve to subclavius branches form here
Superior trunk
69
This nerve supplies sensory to the medial arm
Medial brachial cutaneous n.
70
This nerve supplies sensory to the medial forearm
Medial antibrachial cutaneous n.

Anatomy 1 Final (13 decks)

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