Anatomy II: Lecture 17: Face Flashcards
What muscle depresses the mandible?
Platysma
What muscle tenses skin of inferior face and neck?
Platysma
What muscle elevates eyebrows and protracts the scalp?
Occipitofrontalis
What muscle closes eyelids?
Orbicularis Oculi
What muscle depresses medial sides of eyebrows and wrinkles skin over dorsum of the nose?
Procerus
What muscle depresses alae laterally and dilates anterior nasal aperture?
Nasalis
What muscle closes oral fissure and protrudes lips?
Orbicularis Oris
What muscle is part of dilators of the mouth?
Levator labii superioris
Zygomatcius minor
What muscle elevates labial commissures (corner of the mouth)?
Zygomaticus major
What muscle depresses labial commissures (corner of the mouth)
Risorius
and
Depressor anguli oris
What muscle is a mouth dilator and depresses and everts lower lip?
Depressor labii inferioris
The facial artery is a branch of
The external carotid artery
What are the branches of the facial artery?
Superior and inferior labial arteries
Lateral nasal artery
Angular artery
What is the terminal branch of the external carotid artery in the face?
Superficial temporal artery
What artery divides into frontal and parietal arteries?
Parotid gland
Superficial temporal artery
What does the transverse facial artery supply?
Parotid gland
Masseter muscle
the skin of the face
What artery anastomoses with facial artery?
Transverse facial artery
Where does the transverse facial artery arise from?
Superficial temporal artery
What nerve gives sensory innervation to the face?
Trigeminal nerve (CN V)
What are the three branches of the trigeminal nerve?
Ophthalmic
Maxillary
Mandibular
Other than CN V, what sensory nerves supply the face?
Greater Occipital
Lesser Occipital
Great Auricular (Cervical plesus
What nerve gives motor innervation to the face?
Cranial nerve VII
