Muscles at Work
Which Muscle acts as a sling, or the floor of the mouth?
Mylohyoid w/ digastric
This helps you pucker
Orbicularis Oris
Name the muscles of mastication
Temporalis, masseter, medial and lateral pterygoid
All of the extrinsic tongue muscles are innervated by
Hypoglossal CN XII
Tooth #4’s blood supply is from
Middle superior alveolar artery
List two muscles of the neck
Sternocleidomastoid
Platysma
Stop frowning and using this muscle.
Depressor anguli oris and depressor labii inferior
This muscle runs from the infraorbital foramen to the corners of the mouth. Name the muscle and category:
Levator Anguli Oris, facial expression
What innervates the muscles of facial expression?
Facial, CN XII
The most reliable pulse is the
Carotid
What muscle is responsible for protruding and depressing the mandible, as well as moving the mandible side to side?
Lateral pterygoid
This muscle helps you chew and forms the cheek
Buccinator
Strongest muscle of mastication
Masseter
What is responsible for taste sensation to the anterior ⅔ of the tongue?
Chorda tympani (VII) or just facial
Explain how the common carotid splits and what the general tissues are served.
Internal- goes into the skull, up to the brain
External- goes to the head and neck tissue and muscles
List two actions of the Temporalis muscle.
Elevates and retrudes the mandible
This is your scary face muscle
Platysma
This muscle attaches to the inside of the angle of the mandible.
Internal or medial pterygoid
What is responsible for supplying motor innervation to the muscles of the tongue?
XII Hypoglossal
What is the blood supply to the sublingual gland?
What is the blood supply to the submandibular gland?
Lingual Artery
Facial Artery
Which muscle controls TMJ disc movement. Name the muscle and the category of the muscle.
Lateral pterygoid, muscle of mastication
These are 3 pairs of facial expression muscles found above the mouth
Levator anguli oris
Levator labii superioris
Zygomatic major
Zygomatic minor
List four muscles of facial expression
Orbicularis oris, buccinator, levator labii superioris/depressor
*epicranial orbicularis oculi, corrugators supercilii
List the cranial nerves that are involved with the eye and/or muscles of the eye
Abducens, Trochlear, Optic, Oculomotor
The inferior alveolar artery is a branch of which major artery off the external carotid arteries?
Maxillary