Skeletal System Axial Skeleton Pt 1 Lab10

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How many named bones are there in the human body?

206

How many bones are ther in the axial skeletal system?

80

Which of the two divisions consists of the bones that lie in the longitudinal axis of the human body?

appendicular

What are the two main divisions of the skeletal system

axial and appendicular

atlas articulates superiorly with this bone

axis

articulation between the mandible and skull

condylar process

rounded bump usually fits into a fossa on another bone to form a joint

condyle

suture between the frontal bone and the parietal bone

coronal

moderately raised ridge, generally a site for muscle attachment

crest

flat surface that forms a joint with another facet or flat bone

facet

long, cracklike hole for blood vessels and nerves

fissure

round hole for vessels and nerves

foramen

depression, often receives an articulating bone

fossa

8 bones that make up the cranium

frontal - 1 parietal - 2 temporal - 2 ethmoid - 1 sphenoid - 1 occipial - 1

distinct epiphysis on a long bone, separated from the shaft by a narrowed portion (or neck)

head

facial bone that contains paranasal sinus

inferior nasal conchae, frontal, shpenoid, ethmoid, paire maxillary

function of sutures

join bones

tear ducts that pass through these paired bones

lacrimal

suture between the parietal bones and the occiput

lambdoid

similar to a crest but not raised as much

line

chin bone

mandible

lower jaw bone

mandible

only freely movable skull bone

mandible

upper jaw bone

maxillae

contains teeth sockets

maxillae, alveolar process

tubelike opening or channel

meatus

smaller bone of the hard palate

palatine

suture between the two parietal bones

sagittal

bone marking that protects the pituitary gland

sphenoid, sella turcica

similar to crest but raised more, sharp pointed process for muscle attachment

spine or spinous process

groove or elongated depression

sulcus

immovabe joints between skull bones

suture

middle and inner ear are found within this bone

temporal

a small tuberosity

tubercle

inferior hone of the nasal septum

vomer

facial bones

vomer - 1 maxillae -2 zygomatic - 2 palatine -2 lacrimal -2 nasal -2 inferior nasal conchae -2 mandible -1

cheek bones

zygomatic

How many bones are there in the appendicular skeleton

126


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