Chapter 2 Bones Flashcards
bones of the skull
the human head contains 22 bones divided into two groups: the cranium and the facial bones
cranium
oval, bony case that protects the brain. formed by 8 bones.
occipital bone forms the back of the skull above the nape
two parietal bones form the sides and crown of the cranium
frontal bone forms the forehead
two temporal bones form the sides of the head in the ear region
ethmoid bone is the light spongy bone between the eye sockets that forms part of the nasal cavities
sphenoid bone forms the sides of the eye sockets
face bones
consists of 14 bones, including the maxilla (upper jaw) and the mandible (lower jaw)
occipital bone
back of the skull near the nape
parietal bones
2 form the sides and crown of the cranium
frontal bone
forms the foreheard
temporal bones
2 form the sides of the head in the ear region
ethmoid bone
light spongy bone between the eye sockets that forms part of the nasal cavities
sphenoid bone
forms the sides of the eye sockets
nasal bones
2 form the bridge of the nose
lacrimal bones
2 bones. the smallest and more fragile bones of the face, are situated at the front inside part of the eye sockets.
zygomatic bones aka malar bones or cheekbones
2 bones form the prominence of the cheeks
maxillae bones
2 maxillae bones form the upper jaw
mandible
lower jaw bone. the largest strongest bone of the face
hyoid bone
a u-shaped bone at the base of the tongue that supports the tongue and its muscles