Exam HEAD LA Flashcards
Interincisive canal (eq)
Common trunk of Major palatine Aa anastomose b4 enter canal
⛔️corneal N landmark
Temporal line
Zygomatic bone processes
Ru: frontal & temporal
Eq: temporal
Oblique oriented groove Ca. to mandibular foramen
Mylohyoid groove protect mylohyoid N
Condylar canal
Ru: venous condylar sinus
Foramen Lacerum
Eq: COS incisures on BASISPHENOID
Carotid- int carotid A
Oval- mandibular N
Spinous- middle meningeal A
Pig: OS
Supraorbital canal
Su & Ru: supraorbital A.V.
Eq: Foramen only- frontal N & spob AV
Alar canal
Eq (&dog): Maxillary A.N.
SmAlar foramen➡️RoDeep Temporal A
Epihyoid Cartilage in Hyoid app
bw stylohyoid & ceratohyoid
O: transversus hyoideus M
Meniscus vs temporomandibular disc
Disc sep jt cavity ➡️ 2 compartments
W/ each own synovial capsule
Eq: Lateral nasal M
Empty nasal diverticulum/false nostril
Occupitomandibular part of Digastricus M
Eq
Digastricus depresses mandible
Mastication M innv by 2 Nn
Temporalis M: TRIGEM N-mandibular br⏩Buccal➡️RoDeep Temporal N & Masticory N➡️Middle+Ca Deep Temporal Nn
Digastricus M: ro belly=mylohyoid N (TrigemN-mandibular br)
Ca belly= FACIAL N-digastricus br
Auricular scutum
Transmit actions of Mm ~sesamoid bone fn
Sytlohyoideus M & Digastricus M
Stylo tendon split for entry of Intermediate tendon of Dig M
Ext Hyoid App Mm
OMG
Occipitohyoideus
Mylohyoideus
Geniohyoideus
⛔️linguofacial trunk A
Goat & sheep
⛔️facial A
Sphenopalatine foramen ⚪️
Sphenopalatine A.V.
& Ca. nasal N
O: Br maxillary A➡️alar canal
External ophthalmic A
Also: Infraorbital A➡️Malar A ➡️eye
Prime lymph collector of cabeza
Retropharyngeal lymph center
Eq: Orbital fissure
CN 3, 4, 5, 6
Oculomotor
Trochlear➡️trochlear foramen
Ophthalmic
Abducens
Twitch compress Nn innv upper lip Eq
Infraorbital N
⛔Nn for dehorn goat
Cornual N & infratrochlear N
PSNS Ganglia
CN 3: ciliary
CN 7: pterygopalatine
CN 7: mandibular
CN9: otic
