Skeletal Bones

maxilla

upper jawbone

mandible

lower jawbone

Atlas

first Cervical vertebrae

Axis

Cervical vertebrae

cervical vertebrae (C1 to C7)

first set of seven vertebrae, forming the neck

thoracic vertebrae (T1 to T12)

second set of 12 vertebrae. They articulate with the 12 pairs of ribs

lumbar vertebrae (L1 to L5)

third set of five larger vertebrae, which forms the inward curve of the spine

sacrum

next five vertebrae, which fuse together to form a triangular bone positioned between the two hip bones, forming joints called the sacroiliac joints

coccyx

four vertebrae fused together to form the tailbone

laminae

flat plates of bone that form the vertebral arch, the posterior portion of the spinal canal

clavicle

collarbone

scapula

shoulder blade

acromion process

extension of the scapula, which forms the superior point of the shoulder

sternum

breastbone

xiphoid process

lower portion of the sternum

humerus

upper arm bone

ulna and radius

lower arm bones

olecranon process

projection at the proximal end of the ulna that forms the bony point of the elbow

carpal bones

wrist bones

metacarpal bones

hand bones (also called metacarpus)

phalanx (pl. phalanges)

finger and toe bones

pelvis

made up of three bones fused together (also called pelvic bones and hip bones)

ischium

lower, posterior portion of the pelvis on which one sits

ilium

upper, wing-shaped part on each side of the pelvis

pubis

anterior portion of the pelvis

acetabulum

large socket in the pelvis for the head of the femur

femur

upper leg bone

tibia and fibula

lower leg bones

patella (pl. patellae)

kneecap

tarsal bones

ankle bones

calcaneus

heel bone

metatarsal bones

foot bones