Ch 7 Flashcards
Skeletal system facts
composed of bones, cartilages, joints and ligaments; 20% of body mass
Axial Skeleton
consists of 80 bones; 3 major regions skull, vertebral column, and thoracic cage
2 types of Skull bones
Cranial bones and facial bones
cranial fossa in the base
anterior, middle, and posterior cranial fossae
Anterior cranial fossa
Frontal lobes
Middle cranial fossa
temporal and lateral lobes
Posterior cranial fossa
cerebellum
Concha
very vascular, they warm the air as you breathe
Inferior nasal concha
a standalone bone
vomer
lowest part of the nasal septum. It is separate from the ethmoid. plow shaped
Mandibular condyle
the joint for the jaw; has the fossa as well
four sutures in the cranium
Squamous suture, Coronal suture, Lambdoid suture, saggital suture
Squamous suture
separates the temporal bone from the parietal
Coronal sutur
separates the frontal from the parietal
Lambdoid suture
separates the parietal and occipital