Lecture 22: MM of the Face, Jaw and Eye ORIGINS Flashcards
What is the origin of Frontalis?
Skin and fascia above supraorbital margin
What is the origin of Occipitalis?
Superior nuchal line of occipital bone and mastoid process of temporal bone
What is the origin of Auriculares?
Superior: Galea aponeuroneurotica
Anterior: Superficial temporal fascia
Posterior: Mastoid process
What is the origin of Orbicularis Oculi?
Orbital: Medial wall of orbital and medial palpebral ligament
Palbebral: Medial palbebral ligament
What is the origin of Corrugator Supercilii?
Medial end of the supercilliary arch of the frontal bone
What is the origin of Procerus?
Fascia covering the nasal bone and nasal cartilage
What is the origin of Levator Palpebrae Superioris?
Inferior surface of the lesser wing of the sphenoid bone (within posterior orbit)
What is the origin of Nasalis?
Maxilla and cartilage (maxilla just superior to alveolar processes)
What is the origin of Levator Labii Superioris?
Maxilla superior to infraorbital foramen and zygomatic bone
What is the origin of Levator Labii Superioris Alaeque Nasi?
Frontal process of Maxilla just lateral to nasal bone
What is the origin of Zygomaticus Minor?
zygomatic bone
minor medial to major
What is the origin of Zygomaticus Major?
zygomatic bone
just anterior to suture with temporal bone in zygomatic arch
What is the origin of Orbicularis Oris?
muscle fibres surrounding opening of mouth
What is the origin of Risorius?
fascia over masseter
What is the origin of Buccinator?
Alverlar process of maxilla and mandible and pteromandibular raphe
What is the origin of Depressor Anguli Oris?
Body of the mandible (oblique line)
What is the origin of Depressor Labii Inferioris?
Body of the mandible (oblique line)
What is the origin of Mentalis?
Alveolar process of the mandible
What is the origin of Platysma?
Deep fascia over anterior deltoid and pec. major
What is the origin of Superior Rectus?
Tendinous ring on the posterior wall of the orbital cavity (Ring of Zinn)
What is the origin of Inferior Rectus?
Tendinous ring on the posterior wall of the orbital cavity
What is the origin of Medial Rectus?
Tendinous ring on the posterior wall of the orbital cavity
What is the origin of Lateral Rectus?
Tendinous ring on the posterior wall of the orbital cavity
What is the origin of Superior Oblique?
Posterior wall of the orbital cavity
What is the origin of Inferior Oblique?
Floor of the orbital cavity (medially)