Random bone stuff

7 bones that make up orbital complex

frontal bone, zygomatic bone, maxilla, sphenoid bone, ethmoid bone, lacrimal bone, palatine bone

8 bones that make up the nasal complex

nasal bones, maxillae, zygomatic bones, palatine bones, lacrimal bones, inferior nasal conchae, vomer, ethmoid bone

Fontanels

areas of fibrous connective tissue that connect bones of cranium, allowing distortion of skull during birth

Anterior fontanel

junction of frontal, sagittal, and coronal sutures

Posterior fontanel

junction of lambdoid and sagittal suture

Sphenoidal fontanel

junction of squamous and coronal sutures

Mastoid fontanel

junction of squamous and lambdoid suture

How many cervical vertebrae are there?

7

How many thoracic vertebrae are there?

12

How many lumbar vertebrae are there?

5

Primary curvature

retained from original fetal curvature

Which type are primary curvature?

thoracic and sacral

Secondary curvature

Develop after birth

Which types are secondary curvature?

cervical and lumbar

Kyphosis

excessive outward curvature of the spine, causing hunched apperance

Lordosis

excessive inward curvature of the spine

Scoliosis

abnormal lateral curvature of the spine

Vertebrosternal ribs (true ribs)

1-7, attached directly to sternum

Vertebrochondral (False ribs)

8-10, attach indirectly through cartilage that connects to rib 7

Vertebral (Floating ribs)

11-12, only attach posterioraly to the vertevbrae