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W1-W3 head & neck anatomy revision, image, anterior division,…
W1-W3 head & neck anatomy revision
Arterial supply of the head
Common carotid artery
Internal carotid artery
External carotid artery
Supplies:
Lingual artery (deep)
Superior thyroid artery
Facial artery
Supplies: upper lip, lower lip
,nose, scalp
Inferior labial artery
Superior labial artery
Supraorbital, supratrochlear, angular, dorsal nasal arteries
Maxillary artery (deep)
Supplies:
Superficial temporal artery:
Supplies
Frontal branch of (superficial temporal artery)
Supplies:
Parietal branch of (superficial temporal artery)
Supplies:
Transverse facial artery
Supplies:
Venous supply of the head
(
External jugular vein
Retromandibular vein
Superficial temporal vein
(corresponding frontal branch)
(corresponding parietal branch)
Maxillary vein
Transverse facial vein
Internal jugular vein
Facial vein
Drains:
Supraorbital, supratrochlear, angular, dorsal nasal veins
Superior labial vein
Inferior labial vein
Pterygoid venous plexus
Cavernous sinus
Ophthalmic veins
Muscles of the head
Facial muscles of expression
Occipitofrontalis
Orbicularis oculi
(palpebral and orbital portions)
Other supraorbital muscles, e.g. procerus
Platysma
Buccinator
Orbicularis oris
Nervous innervation of the head
Facial nerve (CNVII), via stylomastoid foramen
Temporozygomatic division
Temporal branch
(temple, forehead, supraorbital muscles)
Zygomatic branch
(infraorbital, lateral nasal, upper lip)
Posterior auricular nerve
Cervicofacial division
Buccal branch
(cheek, upper lip, corner of mouth)
Marginal mandibular branches
(lower lip, chin)
Cervical branches
(platysma)
Trigeminal nerve (CNV)
Ophthalmic division (CNV1)
Maxillary division (CNV2)
Mandibular division (CNV3)
anterior division
posterior division
Greater petrosal nerve, + internal branches of facial nerve
