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Facial wounds bleed profusely but healquickly

WHY???

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Face is highly vascular- supplied by

Facial artery

Transverse facial artery

Arteries that accompany the cutaneous

nerves

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Facial artery

Chief artery of face

From ECA

Lower border ofmandible enters face

Tortuous course

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Origin : arises from the ECA at greater

cornu of the hyoid bone Two parts: cervical & facial

Course ..

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Branches..

Cervical part Facial part

a)Ascending palatineartery

b)Tonsillar artery

c) Glandular branches

d) Submental artery

a)Inferior labial artery

b)Superior labial artery

c)Lateral nasal artery

d)Muscular branches

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Transverse facialartery

From superficialtemporal artery

Runs on massetermuscle

Accompanied bybuccal branch offacial nerve

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Facial vein

Largest vein of face

Formation:

Course:

Termination:

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Supratrochlear vein +Supraorbital vein

Angular vein at medial angle of eye

Facial vein

Joins with ant division of retromandibularvein

Common facial vein

Drains into internal jugular vein

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Figure . Drawing shows the major blood vessels in the area of thesalivary glands.1 = retromandibular vein, 2 = external carotid artery, 3 = facial

artery and vein, 4 = lingual artery and vein, 5 = external carotidarter , 6 = internal u ular vein, 7 = external u ular vein.

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Deep Connections

Superior ophthalmicvein- cavernoussinus

Pterygoid veinous

plexus through deepfacial vein which inturn connected tocavernous sinusthrough emissaryveins

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Nerve supply

Motor supply- facial nerve

Sensory supply- trigeminal nerve- great auricular nerve

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Facial nerve

VII cranial nerve

Supplies muscles of facial expressions

Course:

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Goose-foot pattern orpes anserinus

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Facial nerve branches Muscles innervated

Temporal branch Frontalis

Corrugator supercilii

Upper part of orbicularis oculiZygomatic branch Lower part of orbicularis oculi

Buccal branch

a) Upperb) Lower

Zygomaticus major & minor

Levator anguli oris, buccinatorLevator labi superioris

Muscles of nose, orbicularis oris

Levator labi superioris alaequue

nasiMarginal mandiular branch Risorius, depressor anguli orisDepressor labii inferioris

MentalisCervical branch Platysma

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Sensory supply

Trigeminal nerve Great auricular nerve

(C2, C3)Ophthalmic nerve

Maxillary nerve

Mandibular nerve

Cervical plexus

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Bells palsy

Lower motor neuron paralysis

Facial asymmetry

Loss of horizontal wrinkles on fore head

Inability to close eye lids

Epiphora- tears flow down from eye

Sagging of angle of mouth- inability to laugh,whistle

Loss of nasolabial furrow Accumulation of food in the vestibule of

mouth

Dribbling of saliva from angle of mouth

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Dangerous area of face

Lower part of nose,upper lip & adjoiningpart of cheek

Facial vein devoid ofvalves

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Thank you.Have a nice

day.