Portage Learning: A & P 1, Module 4 Skeletal System Case Study 2024.

Portage Learning: A & P 1, Module 4 Skeletal System Case Study tal - ANSWER temporal - ANSWER frontal - ANSWER occipital - ANSWER sphenoid - ANSWER ethmoid - ANSWER small unpaired bone, located in the midline of the anterior cranium, between the two orbits. sinus - ANSWER spaces inside bones purpose of sinuses - ANSWER reduces weight of skull//provides resonance to voice fontanelle - ANSWER spaces b/t posterior, anterior, mastoid, & sphenoid (on infants) mastoid - ANSWER maxilla - ANSWER mandible - ANSWER only movable portion of skull nasal - ANSWER lacrimal - ANSWER foramen magnum - ANSWER allows spinal cord to pass through to brain external acoustic meatus - ANSWER allows hearing cervical vertebrae - ANSWER C1-C7, small body, large vertebral foramen, straight & narrow spinous process, transverse process & transverse foramen (passage of vertebral arteries) atlas - ANSWER C1, large vertebral foramen allows for passage of brain stem and spinal cord, no body axis - ANSWER C2, odontion process sticking out, allows for rotation of the skull