Dr Ahmed Fathalla Ibrahim ARTERIES OF NECK Dr
![Dr. Ahmed Fathalla Ibrahim Dr. Ahmed Fathalla Ibrahim](https://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-1.jpg)
Dr. Ahmed Fathalla Ibrahim
![ARTERIES OF NECK Dr. Ahmed Fathalla Ibrahim ARTERIES OF NECK Dr. Ahmed Fathalla Ibrahim](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-2.jpg)
ARTERIES OF NECK Dr. Ahmed Fathalla Ibrahim
![COMMON CAROTID ARTERY • Origin: 1. Right: branch of brachiocephalic artery (behind the right COMMON CAROTID ARTERY • Origin: 1. Right: branch of brachiocephalic artery (behind the right](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-3.jpg)
COMMON CAROTID ARTERY • Origin: 1. Right: branch of brachiocephalic artery (behind the right sternoclavicular joint) 2. Left: branch of arch of aorta • Course: ascends in carotid sheath • Termination: divides into external & internal carotid arteries, at the level of disc between C 3 & C 4 (level of upper border of thyroid cartilage) Dr. Ahmed Fathalla Ibrahim
![COMMON CAROTID ARTERY • Carotid sinus: a localized dilatation in the termination of common COMMON CAROTID ARTERY • Carotid sinus: a localized dilatation in the termination of common](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-4.jpg)
COMMON CAROTID ARTERY • Carotid sinus: a localized dilatation in the termination of common carotid or in the beginning of internal carotid artery (thinner tunica media & thicker tunica adventitia), supplied by glossopharyngeal nerve and is a presseoreceptor • Carotid body: a small structure posterior to bifurcation of common carotid artery, supplied by glossopharyngeal nerve and is a chemoreceptor Dr. Ahmed Fathalla Ibrahim
![EXTERNAL CAROTID ARTERY Dr. Ahmed Fathalla Ibrahim EXTERNAL CAROTID ARTERY Dr. Ahmed Fathalla Ibrahim](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-5.jpg)
EXTERNAL CAROTID ARTERY Dr. Ahmed Fathalla Ibrahim
![EXTERNAL CAROTID ARTERY • Course: 1. Ascends in carotid triangle 2. Crossed by posterior EXTERNAL CAROTID ARTERY • Course: 1. Ascends in carotid triangle 2. Crossed by posterior](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-6.jpg)
EXTERNAL CAROTID ARTERY • Course: 1. Ascends in carotid triangle 2. Crossed by posterior belly of digastric & stylohyoid muscles, hypoglossal nerve • Termination: inside parotid gland (behind neck of mandible) by dividing into superficial temporal & maxillary arteries Dr. Ahmed Fathalla Ibrahim
![EXTERNAL CAROTID ARTERY • 1. 2. 3. 4. 5. 6. 7. 8. Branches: Superior EXTERNAL CAROTID ARTERY • 1. 2. 3. 4. 5. 6. 7. 8. Branches: Superior](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-7.jpg)
EXTERNAL CAROTID ARTERY • 1. 2. 3. 4. 5. 6. 7. 8. Branches: Superior thyroid Ascending pharyngeal Lingual Facial Occipital Posterior auricular Superficial temporal Maxillary Dr. Ahmed Fathalla Ibrahim
![INTERNAL CAROTID ARTERY • In the neck: 1. Ascends in carotid triangle then deep INTERNAL CAROTID ARTERY • In the neck: 1. Ascends in carotid triangle then deep](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-8.jpg)
INTERNAL CAROTID ARTERY • In the neck: 1. Ascends in carotid triangle then deep to parotid gland 2. Enters cranial cavity through carotid canal (in petrous temporal bone) 3. Does not give branches in neck • Inside cavernous sinus: 1. Passes through floor of sinus 2. Gives branches to pituitary gland • In the cranial cavity (after emergence from cavernous sinus): 1. Gives ophthalmic artery 2. Supplies brain. Dr. Ahmed Fathalla Ibrahim
![SUBCLAVIAN ARTERY • Origin: 1. Right: branch of brachiocephalic artery (behind the right sternoclavicular SUBCLAVIAN ARTERY • Origin: 1. Right: branch of brachiocephalic artery (behind the right sternoclavicular](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-9.jpg)
SUBCLAVIAN ARTERY • Origin: 1. Right: branch of brachiocephalic artery (behind the right sternoclavicular joint) 2. Left: branch of arch of aorta • Course: divided into 3 parts: 1. First part: part medial to scalenus anterior 2. Second part: part behind scalenus anterior 3. Third part: part lateral to scalenus anterior (in posterior triangle of neck) Dr. Ahmed Fathalla Ibrahim
![SUBCLAVIAN ARTERY Dr. Ahmed Fathalla Ibrahim SUBCLAVIAN ARTERY Dr. Ahmed Fathalla Ibrahim](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-10.jpg)
SUBCLAVIAN ARTERY Dr. Ahmed Fathalla Ibrahim
![SUBCLAVIAN ARTERY Dr. Ahmed Fathalla Ibrahim SUBCLAVIAN ARTERY Dr. Ahmed Fathalla Ibrahim](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-11.jpg)
SUBCLAVIAN ARTERY Dr. Ahmed Fathalla Ibrahim
![SUBCLAVIAN ARTERY • 1. 2. 3. • • • Branches of 1 st part: SUBCLAVIAN ARTERY • 1. 2. 3. • • • Branches of 1 st part:](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-12.jpg)
SUBCLAVIAN ARTERY • 1. 2. 3. • • • Branches of 1 st part: Vertebral Internal thoracic Thyrocervical trunk: divides into: Inferior thyroid Superficial (transverse) cervical Suprascapular Dr. Ahmed Fathalla Ibrahim
![VERTEBRAL ARTERY • Origin: branch of 1 st part subclavian artery • Course: It VERTEBRAL ARTERY • Origin: branch of 1 st part subclavian artery • Course: It](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-13.jpg)
VERTEBRAL ARTERY • Origin: branch of 1 st part subclavian artery • Course: It is divided into 4 parts: • 1 st part: Ascends in the neck, behind common carotid artery, in front of transverse process of C 7 • 2 nd part: Passes through foramina transversaria of C 6 till C 1 (surrounded by vertebral plexuses of vein & sympathetic fibers) • 3 rd part: Runs above posterior arch of atlas (in suboccipital triangle) • 4 th part: Passes through foramen magnum & continues inside cranial cavity • Branches of 1 st, 2 nd & 3 rd parts: muscular & spinal Dr. Ahmed Fathalla Ibrahim
![INFERIOR THYROID ARTERY • Origin: branch of thyrocervical trunk of 1 st part subclavian INFERIOR THYROID ARTERY • Origin: branch of thyrocervical trunk of 1 st part subclavian](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-14.jpg)
INFERIOR THYROID ARTERY • Origin: branch of thyrocervical trunk of 1 st part subclavian artery • Course: Ascends behind internal jugular vein then curves medially (opposite C 6) crossing vertebral artery to reach the lower pole of thyroid gland • Important branches: glandular, inferior laryngeal, tracheal, pharyngeal, oesophageal Dr. Ahmed Fathalla Ibrahim
![SUBCLAVIAN ARTERY • Branches of 2 nd part: costocervical trunk: divides into: 1. Superior SUBCLAVIAN ARTERY • Branches of 2 nd part: costocervical trunk: divides into: 1. Superior](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-15.jpg)
SUBCLAVIAN ARTERY • Branches of 2 nd part: costocervical trunk: divides into: 1. Superior intercostal 2. Deep cervical • Branches of 3 rd part: may give dorsal scapular artery Dr. Ahmed Fathalla Ibrahim
![RELATONS OF 1 ST PART SUBCLAVIAN ARTERY • Anterior: Skin, fasciae, sternomastoid, sternohyoid, sternothyroid, RELATONS OF 1 ST PART SUBCLAVIAN ARTERY • Anterior: Skin, fasciae, sternomastoid, sternohyoid, sternothyroid,](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-16.jpg)
RELATONS OF 1 ST PART SUBCLAVIAN ARTERY • Anterior: Skin, fasciae, sternomastoid, sternohyoid, sternothyroid, common carotid artery, vagus nerve, internal jugular vein, ansa subclavia, thoracic duct (left side) • Posterior & inferior: ansa subclavia, cervical pleura & apex of lung • Medial: trachea, oesophagus, thyroid gland Dr. Ahmed Fathalla Ibrahim
![VEINS Dr. Ahmed Fathalla Ibrahim Subclavian vein Brachiocephalic vein VEINS Dr. Ahmed Fathalla Ibrahim Subclavian vein Brachiocephalic vein](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-17.jpg)
VEINS Dr. Ahmed Fathalla Ibrahim Subclavian vein Brachiocephalic vein
![DEEP VEINS INTERNAL JUGULAR: • Beginning: continuation of sigmoid sinus at margin of jugular DEEP VEINS INTERNAL JUGULAR: • Beginning: continuation of sigmoid sinus at margin of jugular](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-18.jpg)
DEEP VEINS INTERNAL JUGULAR: • Beginning: continuation of sigmoid sinus at margin of jugular foramen • Course: descends in carotid sheath • Termination: joins subclavian vein behind the sternal end of clavicle to form brachiocephalic vein Dr. Ahmed Fathalla Ibrahim
![DEEP VEINS • Tributaries of internal jugular vein: 1. Inferior petrosal sinus 2. Facial DEEP VEINS • Tributaries of internal jugular vein: 1. Inferior petrosal sinus 2. Facial](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-19.jpg)
DEEP VEINS • Tributaries of internal jugular vein: 1. Inferior petrosal sinus 2. Facial vein 3. Lingual vein 4. Superior thyroid vein 5. Middle thyroid vein 6. Pharyngeal veins Dr. Ahmed Fathalla Ibrahim
![DEEP VEINS SUBCLAVIAN VEIN: • Beginning: continuation of axillary vein, at outer border of DEEP VEINS SUBCLAVIAN VEIN: • Beginning: continuation of axillary vein, at outer border of](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-20.jpg)
DEEP VEINS SUBCLAVIAN VEIN: • Beginning: continuation of axillary vein, at outer border of first rib • Course: runs behind clavicle; in front of scalenus anterior (separating it from subclavian artery) • Termination: joins internal jugular vein behind the sternal end of clavicle to form brachiocephalic vein • Tributary: external jugular vein Dr. Ahmed Fathalla Ibrahim
![SUPERFICIAL VEINS EXTERNAL JUGULAR: • Beginning: by union of posterior branch of retromandibular vein SUPERFICIAL VEINS EXTERNAL JUGULAR: • Beginning: by union of posterior branch of retromandibular vein](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-21.jpg)
SUPERFICIAL VEINS EXTERNAL JUGULAR: • Beginning: by union of posterior branch of retromandibular vein & posterior auricular vein, behind & below angle of mandible • Course: 1. Descends in superficial fascia, superficial to sternomastoid 2. Crosses backward & pierces deep Dr. Ahmed Fathalla Ibrahim fascia of posterior triangle of neck
![SUPERFICIAL VEINS • Termination: ends in subclavian vein • Tributaries: 1. Anterior jugular vein SUPERFICIAL VEINS • Termination: ends in subclavian vein • Tributaries: 1. Anterior jugular vein](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-22.jpg)
SUPERFICIAL VEINS • Termination: ends in subclavian vein • Tributaries: 1. Anterior jugular vein 2. Superficial cervical vein 3. Suprascapular vein 4. Posterior external jugular vein Dr. Ahmed Fathalla Ibrahim
![RELATIONS Dr. Ahmed Fathalla Ibrahim RELATIONS Dr. Ahmed Fathalla Ibrahim](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-23.jpg)
RELATIONS Dr. Ahmed Fathalla Ibrahim
![ANTEROLATERAL RELATIONS Skin, fasciae, sternomastoid + • Common carotid & internal jugular: superior belly ANTEROLATERAL RELATIONS Skin, fasciae, sternomastoid + • Common carotid & internal jugular: superior belly](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-24.jpg)
ANTEROLATERAL RELATIONS Skin, fasciae, sternomastoid + • Common carotid & internal jugular: superior belly of omohyoid, sternothyroid • External carotid, internal carotid & internal jugular: posterior belly of digastric • External carotid, internal carotid: hypoglossal nerve • Internal jugular: spinal root of accessory nerve Dr. Ahmed Fathalla Ibrahim
![POSTERIOR RELATIONS Prevertebral muscles, transverse processes of: • Internal jugular: all cervical vertebrae • POSTERIOR RELATIONS Prevertebral muscles, transverse processes of: • Internal jugular: all cervical vertebrae •](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-25.jpg)
POSTERIOR RELATIONS Prevertebral muscles, transverse processes of: • Internal jugular: all cervical vertebrae • Common carotid: lower 4 cervical • Internal carotid: upper 4 cervical • Internal jugular & common carotid: 1 st part subclavian artery + its branches Dr. Ahmed Fathalla Ibrahim
![MEDIAL RELATIONS Larynx, pharynx + • Internal jugular & common carotid: trachea oesophagus, thryoid MEDIAL RELATIONS Larynx, pharynx + • Internal jugular & common carotid: trachea oesophagus, thryoid](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-26.jpg)
MEDIAL RELATIONS Larynx, pharynx + • Internal jugular & common carotid: trachea oesophagus, thryoid gland • Internal carotid: X Dr. Ahmed Fathalla Ibrahim
![STRUCTURES BETWEEN INTERNAL & EXTERNAL CAROTID ARTERIES • • • Styloglossus Stylopharyngeus Glossopharyngeal nerve STRUCTURES BETWEEN INTERNAL & EXTERNAL CAROTID ARTERIES • • • Styloglossus Stylopharyngeus Glossopharyngeal nerve](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-27.jpg)
STRUCTURES BETWEEN INTERNAL & EXTERNAL CAROTID ARTERIES • • • Styloglossus Stylopharyngeus Glossopharyngeal nerve Pharyngeal branch of vagus nerve A part of parotid gland Dr. Ahmed Fathalla Ibrahim
![LAST 4 CRANIAL NERVES Dr. Ahmed Fathalla Ibrahim LAST 4 CRANIAL NERVES Dr. Ahmed Fathalla Ibrahim](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-28.jpg)
LAST 4 CRANIAL NERVES Dr. Ahmed Fathalla Ibrahim
![GLOSSOPHARYNGEAL NERVE Dr. Ahmed Fathalla Ibrahim GLOSSOPHARYNGEAL NERVE Dr. Ahmed Fathalla Ibrahim](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-29.jpg)
GLOSSOPHARYNGEAL NERVE Dr. Ahmed Fathalla Ibrahim
![VAGUS NERVE Dr. Ahmed Fathalla Ibrahim VAGUS NERVE Dr. Ahmed Fathalla Ibrahim](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-30.jpg)
VAGUS NERVE Dr. Ahmed Fathalla Ibrahim
![ACCESSORY NERVE Dr. Ahmed Fathalla Ibrahim ACCESSORY NERVE Dr. Ahmed Fathalla Ibrahim](http://slidetodoc.com/presentation_image_h2/fe1f04aeecce9d30e8e5d3864919df82/image-31.jpg)
ACCESSORY NERVE Dr. Ahmed Fathalla Ibrahim
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