thyrocervical trunk dorsal scapular a. internal mammary a. lateral thoracic a. superior thoracic a....

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Page 1: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral
Page 2: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral
Page 3: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral
Page 4: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral
Page 5: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Thyrocervical trunk

Dorsal scapular a.

Internal mammary a.

Lateral thoracic a.

Superior thoracic a.

Thoracoacromial a.

Posterior circumflex humeral a.Anterior circumflex humeral a.

Subscapular a.

Branches of subclavian artery

Branches of axillary artery

Branches of subclavian & axillary arteries

Page 6: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Vertebral a.

Vertebral artery

Page 7: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

4- Facial a.

1- Superior thyroid a.: 1st branch of external carotid.

6- Posterior auricular a.: running along upper border of posterior belly of digastric m.

Superficial temporal artery: the artery of anaesthist.

3- Lingual a.

5- Occipital a.: running along the lower border of posterior belly of digastric m.

Maxillary a.

Term

inal branches

2- Ascending laryngeal a.: not shownExternal Carotid Artery

Branches of ECA

Page 8: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral
Page 9: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Superficial temporal v.

Maxillary v. (drains pterygoid plexus of v.)

Retromandibular (posterior facial) v.: traverses parotid gland

Posterior division of retromandibular v.

Anterior division of retromandibular v.

(anterior) facial v.

Common facial v.

Posterior auricular v.

External jugular v.

Tributaries of EJV

Page 10: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Supratrochlear BVs

Supraorbital BVs

(anterior) facial v.

Anterior facial vein

External jugular v. pierces superficial fascia to join the internal jugular v.

Page 11: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Internal jugular v. (the continuation of sigmoid sinus)

Subclavian v.SVC

Internal jugular vein & subclavian vein

Page 12: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral
Page 13: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Ansa cervicalis

Omohyoid

Posterior belly of digastric

Superficial relations of carotid sheath

Page 14: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Carotid sheath

Page 15: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Common carotid a.

Internal jugular v

Internal carotid a.

External carotid a.

Page 16: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Internal carotid artery

Internal Jugular Vein

Styloglossus muscle

External carotid artery

Common carotid artery

Page 17: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral
Page 18: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Occipitalis m. (part of occipitofrontalis m.)

Occipitalis m. (part of occipitofrontalis m.)

Epicranial aponeurosis

Orbicularis occuli m.

Orbicularis oris

Temporalis

Auricular muscles (superior, anterior & posterior)

Masseter m.

Buccinator

Muscles of mastication (supplied by mandibular n.)

Muscles of facial expression (supplied by facial n.)

Muscles of the head

Page 19: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Masseter m.

Temporalis m.

Muscles of mastication (1)

Page 20: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Lateral pterygoid

Medial pterygoid

Buccinator

Muscles of mastication (2)

Page 21: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Superior oblique muscle of the eye (suplied by trochlear n.)

Page 22: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Superior constrictor

Middle constrictor

Inferior constrictor

Constrictor muscles of the pharynx

Page 23: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Styloglossus muscleStylohyoid muscle

Posterior belly of digastric muscle

Styloid apparatus

Page 24: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Scalenus anterior

Subclavian v.

Upper trunk of brachial

plexus

Subclavian a.

Scalenus anterior

Lt. innominate v.

Brachial plexus

Subclavian a.

Scalenus anterior muscle

(1)

Page 25: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Scalenus anterior

Subclavian v.

Scalenus anterior

Subclavian v.

Brachial plexus

Phrenic n.

Subclavian a.

Scalenus anterior muscle

(2)

Page 26: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral
Page 27: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Parotid gland

Parotid duct

Accessory lobe of parotid gland

Submandibular gland

Page 28: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral
Page 29: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Vagus n.

Styloglossus m.

Vagus nerve

Page 30: Thyrocervical trunk Dorsal scapular a. Internal mammary a. Lateral thoracic a. Superior thoracic a. Thoracoacromial a. Posterior circumflex humeral

Superior sympathetic ganglion

Middle sympathetic ganglion

Inferior symathetic ganglion (stellate)

Sympathetic chain