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Anatomy 2 > ARTERIES OF THE UPPER LIMB > Flashcards

ARTERIES OF THE UPPER LIMB Flashcards

1
Q

Subclavian artery origin

A

First part- Medial to Anterior scalene muscle

Second part- Behind Anterior scalene muscle and Subclavian vein

Third part-Lateral border of anterior scalene to outer border of 1st rib

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2
Q

Subclavian artery First part togographical relationships

A

Anterior- Phrenic and vagus nerves

Inferior/Posterior-Suprapleural membrane, Pleura of Lung’s apex, Ansa subclavia, Right recurrent laryngeal nerve

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3
Q

Subclavian artery second part togographical relationships

A

Posterior/Inferior- Suprapleural membrane, Pleura Lung’s apex

Inferior- Lower trunk of brachial plexus

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4
Q

Subclavian artery third part togographical relationships

A

Inferior-First rib, Lower trunk of brachial plexus

Palpable in supraclavicular triangle

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5
Q

Subclavian artery branches

A

First part-Vertebral artery, Internal thoracic artery, Thyrocervical trunk

Second part- Costocervical trunk

Third part- Dorsal scapular artery

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6
Q

Veterbral Artery

A

Transverse foramina of C6 – C1 vertebrae and Superior surface of posterior arch of C1 vertebra: Osteoarthritis, trauma, atherosclerosis

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7
Q

Suboccipital triangle

A

Fractures, luxation, birth trauma, chiropratic treatment

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8
Q

Foramen magnum

A

Cranial cavity, Basilar artery Posterior cerebral arteries Circle of Willis- Thrombosis

Supplies: Suboccipital muscles,Spinal cord, Medulla oblongata, Cerbellum, Pons

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9
Q

INTERNAL THORACIC ARTERY

A

Arises opposite Thyrocervical trunk

Terminal branches Musculophrenic, Anterior intercostal arteries 7th –9th

Superior epigastric: Sternocostal trigone Rectus sheath Anastomoses with inferior epigastric (external iliac)

Supplies Pericardium (Pericardiacophrenic artery), Anterior mediastinum, Upper 9 intercostal spaces, Abdominal muscles, Thoracic diaphragm

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10
Q

THYROCERVICAL TRUNK

A

Medial to anterior scalene muscle

Inferior thyroid- Posterior to Carotid sheath and Recurrent laryngeal nerves

Branch-Ascending cervical

Supplies- Thyroid Parathyroid glands, Prevertebral and Scalene muscles, Spinal cord

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11
Q

Suprascapular + Transverse cervical

A

Posterior cervical triangle, Anterior to Anterior scalene Phrenic nerve

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12
Q

Suprascapular

A

Above Superior transverse scapular ligament

Supplies Supraspinatus, Infraspinatus

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13
Q

Transverse cervical

A

Supplies Trapezius and Muscles of posterior cervical triangle.

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14
Q

BRANCHES OF SECOND PART COSTOCERVICAL TRUNK

A

Arches back above cervical pleura

Branches Superior intercostal Intercostal spaces 1st-2nd

Deep cervica-Spinal cord

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15
Q

BRANCHES OF THIRD PART-DORSAL SCAPULAR

A

Variable origin-Along medial scapular border

Supplies Trapezius Rhomboids

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16
Q

AXILLARY ARTERY

A

Lateral border of 1st rib Inferior border of teres major muscle

Surrounded by the cords of the brachial plexus

Divided into three parts by Pectoralis minor muscle

First part: Axillary vein Anteromedially

Second and Third part- Axillary vein and Medial

17
Q

AXILLARY ARTERY: BRANCHES OF FIRST PART

A

Superior thoracic- Along superior border of pectoralis minor

Supplies Intercostal spaces 1st-2nd and Serratus anterior

18
Q

AXILLARY ARTERY: BRANCHES OF SECOND PART

A

Thoracoacromial- At superior border of pectoralis minor
Pierces clavipectoral fascia

Cephalic vein, Lateral pectoral nerve

Branches-Pectoral Deltoid Acromial Clavicular

Lateral thoracic: Along lateral border of pectoralis minor, Long thoracic nerve
Supplies- Pectoral muscles, Serratus anterior, Mammary gland

19
Q

AXILLARY ARTERY: BRANCHES OF THIRD PART

A

Subscapular artery

Anterior circumflex humeral artery

Posterior circumflex humeral artery

20
Q

AXILLARY ARTERY: BRANCHES OF THIRD PART- SUBSCAPULAR ARTERY

A

Along lateral border of subscapularis muscle

Branches: Thoracodorsal artery-Thoracodorsal nerve

            Supplies   Latissimus dorsi and Serratus anterior

            Circumflex scapular
21
Q

Scapular anastomosis

A

Circumflex scapular artery

Suprascapular artery

Dorsal scapular artery

22
Q

SCAPULAR ANASTOMOSIS

A

Ligature of axillary artery medial to subscapular artery

Blood flow From Suprascapular to Circumflex scapular then to Subscapular

Scapular anastomosis- Prevents ischemia of upper limb

23
Q

Anterior circumflex humeral artery

A

Anterior to surgical neck of humerus

24
Q

Posterior circumflex humeral artery

A

Passes through quadrangular space together with axillary nerve

25
Q

AXILLARY ARTERY-BRANCHES OF THIRD PART

A

Suppl: Shoulder joint, Deltoid, Teres major, Teres minor

Long and lateral heads of triceps brachii

Anatomy 2 (8 decks)

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