5B Notes about Structure Frontal and Occipital Bone Flashcards
Frontal Bone: Glabella
Region _____ the ______
between the eyebrows
Frontal Bone: Supra-Orbital margin
Upper _____ of the ____ of the eye
boundary
orbit
Occipital Bone: External Occipital Protuberance
Boney protuberance on the ______ aspect of the occipital bone
Is the attachment site for the _______ muscle and the ______ ligament
posterior
Trapezius
nuchal
Occipital Bone: Superior nuchal line
A bony ridge extending _____ on _____ side of the external Occipital protuberance
the _____ muscle and _____capitis
laterally
either
trapezius
splenius
Occipital Bone: Foramen magnum
Opening at ______ of skull
important structures that pass through here are:_____ _____
the _____ arteries
part of cranial nerve ___ witch is part of motor pathway (brain motor cortex to muscles) from brain to the muscles ______ and _________
base spinal chord vertebral XI trapezius sternocleidomastoid
Occipital Bone: Occipital Condyles
Oval Shaped Joint surfaces on the _____ aspect of the occipital bone, on either side of the ______ magnum
The occipital Condyles articulate with the _______articular facets of C1 from the ______-_______ joint with is a ______type joint
inferior foramen. superior Atlanto-occipital condyloid
Occipital Bone: Hypoglossal Canals
Fond on either side of the _____ magnum, on the medial wall of the ______ _______
The Hypoglossal nerves (____) travel through here as the motor pathways makes its way from the ______ ______ of the brain to the tongue muscle, _________
foramen occipital condyles (CN XII) motor cortex genioglossus