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30 Cards in this Set

  • Front
  • Back
body's framework composed of bone and cartilage
adult skeleton how many?
2 kinds osseous(bone) tissue
compact-smooth and homogeneous
spongy-(cancellous)-small trabeculae (bars) of bones
4 further classifications of bones based on gross anatomy
long, short, flat, and irregular
wormian or sutural bones
tiny bones between cranium
sharp, slender, often pointed projection
prominence or projection
smooth, nearly flat articular surface
rounded articular projection
armlike bar of bone
space w/in a bone, filled w air and lined w/ mucous membrane
shallow, basinlike depression in a bone often serving as an articular surface
canal-like passageway
narrow slitlike opening
round or oval opening through a bone for passage of nerves of blood vessels
bone marking 2 categories
projections (processes)-muscle attachment
depressions(cavities)- bone indentations or openings
2 major areas of cranium
cranial vault(calvaria)-superior,lateral,posterior walls& cranial floor or base-forming skull bottom
# of flat bones that cover cranium
8 2 paired bones(parietals and temporals) frontal, occipital, sphenoid, ethmoid
frontal bone contain what structures
supraorbital foramen, glabella
parietal bone contain what structures
sagittal and coronal suture
temporal bone structures divde into 4 major regions squamous tympanic, mastoid, and petrous
squamous suture,zygomatic& mastoid process, external& internal meatus,stylomatoid jugular& lacerum foramen, mandubular fossa, carotid canal
occipital bone structures
lamdiod suture, foramen magnum,occipital condyles, hypoglossal canal, external occipital crest &protuberance
sphenoid bone structures
greater & lesser wings, sella
turcica, superior orbital fissures, optic canals, foramen rotundum & ovale
ethmoid bone structures
crista galli, cribriform & perpendicular plate(s),lateral
masses , superior and middle nasal conchae
facial bones 12 paired 2 single bones (vomer and mandible)
mandible, maxilla, palatine, zygomatic,lacrimal, nasal, vomer, inferior nasla conchae (turbinates)
paramasal sinuses in what skull bones
maxilla, sphenoid, ethmoid, and frontal
vertebral column
extend from skull to pelvis form bodys major axial support
vertebral column # of bones and names of 2 fused bones and vertebrae
24 single separate into cervical, thoracic and lumbar
2 fused (5)fused sacrum (3 to 5) fused coccyx
bony thorax
sternum, ribs and thoracic vertebrae