Face Flashcards
Which muscle is responsible for raising the eyebrows?
Frontalis
What is the primary action of the Orbicularis oculi muscle?
Closing the eyelids
Which muscle is responsible for compressing the cheeks during actions such as blowing?
Buccinator
What is the main function of the Platysma muscle?
Depress the mandible and lower lip
Which muscle is responsible for narrowing the oral aperture?
Orbicularis oris
What is the innervation of the Zygomaticus major muscle?
Zygomatic and bucaal branch of Facial nerve
Which muscle is involved in smiling and elevating the upper lip?
Levator labii superioris
What is the action of the Depressor anguli oris muscle?
Depresses the corner of the mouth
Which muscle is responsible for wrinkling the forehead?
Corrugator supercilii
What is the innervation of the Temporalis muscle?
Trigeminal nerve (CN V)
Which muscle is responsible for raising the angle of the mouth during smiling?
Levator anguli oris
What is the action of the Procerus muscle?
Wrinkles the skin over the bridge of the nose
Which muscle is responsible for compressing the lips against the teeth?
Orbicularis Oris
What is the innervation of the Masseter muscle?
Trigeminal nerve (CN V)
Which muscle is involved in frowning and lowering the corners of the mouth?
Depressor anguli oris
What is the primary action of the Levator labii superioris muscle?
Elevates the upper lip
Which muscle is responsible for raising the angle of the mouth?
Zygomaticus major
What is the function of the Mentalis muscle?
Elevates and protrudes (puckers) the lower lip
Which muscle is responsible for lowering the lower lip?
Depressor labii inferioris
What is the innervation of the Buccinator muscle?
Facial nerve (CN VII)
Which muscle is involved in protruding the lips?
Mentalis
What is the action of the Corrugator supercilii muscle?
Wrinkles the forehead vertically
Draws brows together
Which muscle is responsible for raising the upper lip and dilating the nostrils?
Levator labii superioris alaeque nasi
What is the innervation of the Orbicularis oculi muscle?
Facial nerve (CN VII)
Temporal and Zygomatic nerve
List Muscles of Frowning
Orbicular oris - Depressor Anguli Oris - Depressor Labii inferioris - Corrugator supercilli - Platysma - Mentalis - Procerus - Orbicularis Oculi
Function of Orbital Part
Closes eye TIGHTLY, also winking
Function of Lacrimal Part
drainage of lacrimal fluid, behind lacrimal sac
Function of P___ part
Soft blinking
Muscles around Orbit
Orbicularis Oculi - Corrugator supercili - Depressor supercili
Which Fascia are the muscles
Superficial Fascia
Arise from where? embryologically
Paraxial Mesodem of 2nd Pharyngeal Arch
What are the Smiling Muscles
Zygomaticus Major - Minor - Orbicularis Oculi - Levator Labii Superioris - Levator Anguli Oris - Risorius
Function of OcipitoFrontalis
Retracts Scalp and - pulls forehead
Function of Zygomaticus Major and Minor
Pulls the corners of mouth for laughing, smiling and displaying teeth
Parts of Obicularis Oculi
Lacrimal - Orbital - Palpibral
What is Crow’s Feet
Contraction of Orbicularis oculi draws skin of forehead, temple and cheeks towards the lateral angle of eye producing radiating skin folds
What is paralysis of the Orbicularis oculi called
Ectropion
Function of O. Oris
Kisser (puckers lip, sphincter of mouth)
which muscle pulls down corners of lip
Depressor Anguli Oris
Which muscle pulls down lower lip
Depressor labii inferioris
Function of Platysma
Pulls down the lips and mouth and lower face
What muscle pouts lower lip
Mentalis
Function of Corrugator supercili
Pulls together eyebrows
Procerus Muscle
Wrinkles nose bridge
Buccinator
Tenses cheek to keep food
Flares nostrils
Nasalis (alar part)
Levator of upper lip
Levator labi superiosis and LLS Alaeque Nasi
Function of Levator Anguli Oris
Raise corners of mouth
Pulls lip laterally
Risorius
Cause of Wrinkling
Repeated folding of skin along axis of contracting muscles of face
What provides rounded contour of cheek
Bucaal fat pad
What fat helps baby suck milk
Suctorial pad of fat
Muscles around Nose
Nasalis - Procerus - LLSAN
Muscles around mouth
Zygomaticus Major - Minor - Levator Labii Superioris - Levator Anguli Oris - Risorius - Depressor Anguli oris - Depressor labii inferioris - Buccinator - LLASN
Muscle affected in Facial palsy
Buccinator, can’t blow cheek and food accumulates in vestibule during mastication
Clinical of Orbicularis Oris
Paralysis of one half leads to slurred speech and improper closure of lips on that side
List nerves of face
- Posterior auricular - Temporal - Marginal Mandibular - Zygomatic - Bucaal - Cervical
Arteries of face
South African Ladies Found Our Pyramids Most satisfactory
What artery supplies temporal and forehead regions of face
Superficial Temporal Artery
What supplies the cheek
Maxillary artery
Bells Palsy