Superficial Facial Features Flashcards
What are the 4 main arteries which make up the arterial supply to the face?
- Ophthalmic artery
- Maxillary artery
- Facial artery
- Superficial temporal artery
What are the 7 branches of the ophthalmic artery?
- Supraorbital
- Supratrochlear
- Infratrochlear
- Lacrimal
- External nasal
- Zygomaticofacial
- Zygomaticotemporal
What are the 3 branches of the maxillary artery?
- Infraorbital
- Buccal
- Mental
What are the 3 branches of the facial artery?
- Labial branches
- Nasal branches
- Angular branches
What are the 3 main veins which make up the venous drainage of the face?
- Common facial
- External jugular
- Occipital
How does the common facial vein form?
Union between facial vein and anterior division of retromandibular vein
How does the facial vein form?
Union of supraorbital and supratrochlear veins
Where does the common facial vein end?
Internal jugular vein
How does the external jugular vein form?
Union of posterior division of retromandibular vein and posterior auricular vein
Where does the external jugular vein end?
Subclavian vein
Where does the occipital vein drain?
Suboccipital plexus of veins
Give 5 examples of muscles of facial expression
- Occipitofrontalis
- Orbicularis oculi
- Orbicularis oris
- Zygomaticus major
- Zygomaticus minor
What are the 3 parts of the orbicularis oculi?
- Orbital part
- Palpebral part
- Lacrimal part
What is the function of the orbital part of the orbicularis oculi?
Close the eye forcefully e.g in bright light
What is the function of the palpebral part of the orbicularis oculi?
Closes eye gently e.g sleeping
What is the function of the lacrimal part of the orbicularis oculi?
Squeeze tears from lacrimal sac
What 2 nerves supply the orbicularis oculi?
- Temporal from facial
2. Zygomatic from facial
What are 2 functions of the buccinator?
- Compress cheeks against teeth in sucking
2. Empties vestibule of food
What is the nerve supply of the buccinator?
Buccal branch of facial nerve
What are the 6 facial muscles which have control over the mouth?
- Orbicularis oris
- Levator anguli oris
- Depressor anguli oris
- Levator labii superioris
- Depressor labii inferioris
- Zygomaticus major
What is the function of the orbicularis oculi?
Closes mouth
What is the function of the levator anguli oris?
Lift angles of the mouth
What is the function of the depressor anguli oris?
Pulls angles of the mouth down
What is the function of the levator labii superioris?
Raise upper lip
