Face, Parotid & Infratemporal Fossa Flashcards
What muscle creates blowing?
Buccinator
What muscle creates a frown?
Depressor Anguli Oris
What muscles create sad faces?
Depressor Anguli Oris
Depressor Labii Inferioris
Lavator Labii Superioris
What muscle creates pouting?
Depressor Labii Inferioris
What muscle creates surprise/curiosity?
Frontalis
What muscle creates flaring of nostrils?
Nasalis
What muscle creates closed eye or winking?
Orbicularis Oculi
What muscle creates closed mouth/kissing?
Orbicularis Oris
What muscle creates tension or stress?
Platysma
What muscle creates smile/happy?
Zygomatic Major
Where is the frontal sinus located?
Brow Bone / Superior Medial Eye Socket
Where is the Ethmoidal sinus located?
Bridge of Nose
Where is the sphenoidal sinus located?
Posterior to Ethmoidal
Where is the Maxillary sinus located?
Cheekbone
What bones comprise the roof of the orbital socket?
Frontal Bone (Top)
Lesser Wing of Sphenoid (Bottom/Back Wall)
What bones comprise the medial wall of the orbital socket?
Ethmoid (Posterior)
Lacrimal (Anterior)
What bones comprise the floor of the orbital socket?
Maxilla (Medial)
Zygomatic (Lateral)
What bones comprise the lateral wall of the orbital socket?
Zygomatic (Bottom)
Greater Wing of Sphenoid (Top)
Branches off the External Carotid Artery:
Ascending Pharyngeal
Superior Thyroid
Lingual
Facial
Occipital
Posterior Auricular
Superficial Temporal
Maxillary
Arterial Supply to Brain from Proximal to Distal?
-Post. Inf. Cerebellar Artery (PICA)
-Ant. Inf. Cerebellar Artery (AICA)
-Pontines
-Sup. Cerebellar Artery (SCA)
-Post. Cerebral Artery (PCA)
-Posterior Communicating
-Middle Cerebral Artery (MCA) // Internal Carotid Artery
-Anterial Cerebral Artery (ACA)
-Anterior Communicating
What arteries are part of the cerebral arterial circle?
Posterior Cerebral Artery
Posterior Communicating
Internal Carotid Artery // Middle Cerebral Artery
Anterior Cerebral Artery
Anterior Communicating
Venus Dural Sinus Layers (Proximal to Deep)
Periostial Dura
Sup. / Inf. Sagittal Sinus
Meningeal Dura // Falx Cerebri
Arachnoid Matter
Pia Matter
Lymph Draining to Superior Deep Cervical
Submental
Submandibular
Facial
Parotid
Mastoid
Occipital
Retropharyngeal
Lymph Draining to Inferior Deep Cervical
Superior Deep Cervical
Lateral Cervical
Submental
Anterior Cervical
Infrahyoid
Prelaryngeal
Pretracheal
Paratracheal
Where does lymph go from inferior deep cervical?
Left: L jugular trunk to thoracic duct, L Venus angle
Right: R jugular trunk meets w/ R subclavian and R Bronchiomediastinal to make thoracic duct, to R Venus Angle
Infratemporal Fossa Boundary: Laterally
Ramus of Mandible
Infratemporal Fossa Boundary: Medially
Lateral Pterygoid Plate
Infratemporal Fossa Boundary: Anteriorly
Posterior Maxilla
Infratemporal Fossa Boundary: Posteriorly
Mastoid
Styloid Process
Infratemporal Fossa Boundary: Superiorly
Greater Wing of Sphenoid
Infratemporal Fossa Boundary: Inferioris
Mandibular Attachment of Medial Pterygoid
Branches off the Maxillary Artery
Inferior Alveolar (A. To Mylohyoid, Mental A.)
Deep Temporal x2
Middle Meningeal
Masseteric
Pterygoid
Buccal
Post. Superior Alveolar
Infraorbital
Sphenopalatine
Greater Palatine
Lesser Palatine
Nerves in Infratemporal Fossa
CN-V3 Mandibular Branch:
-Auriculotemporal
-Inferior Alveolar
-Lingual
-Otic Ganglion
CN-VII Facial:
-Chorda Tympani
Components of Temporomandibular Joint (TMJ)?
-Mandibular Fossa
-Articular Tubercle (Anterior prominence of Mandibular Fossa)
-Articular Disk
-Head of Mandible
Ligaments Around TMJ?
Joint Capsule
Lateral Ligament
Stylomandibular Ligament
Sphenomandibular Ligament
Innervation of TMJ?
CN-V3 (Mandibular):
-Auriculotemporal
-Deep Temporal
-Masseteric
Muscles that elevate TMJ?
Temporalis
Masseter
Medial Pterygoid
Muscles that Depress TMJ?
Lateral Pterygoid
Suprahyoid
Infrahyoid
*Mainly Gravity
Muscles that Protrude TMJ?
Lateral Pterygoid
Masseter
Medial Pterygoid
Muscles of Retrusion of TMJ?
Temporalis
Masseter
Muscles that create lateral movements of TMJ?
Temporalis of same side
Pterygoids & Masseter of opposite side
