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30 Cards in this Set
- Front
- Back
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skeleton
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body's framework composed of bone and cartilage
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adult skeleton how many?
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206
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2 kinds osseous(bone) tissue
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compact-smooth and homogeneous
spongy-(cancellous)-small trabeculae (bars) of bones |
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4 further classifications of bones based on gross anatomy
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long, short, flat, and irregular
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wormian or sutural bones
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tiny bones between cranium
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spine
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sharp, slender, often pointed projection
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process
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prominence or projection
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facet
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smooth, nearly flat articular surface
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condyle
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rounded articular projection
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ramus
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armlike bar of bone
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sinus
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space w/in a bone, filled w air and lined w/ mucous membrane
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fossa
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shallow, basinlike depression in a bone often serving as an articular surface
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groove
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furrow
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meatus
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canal-like passageway
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fissure
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narrow slitlike opening
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foramen
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round or oval opening through a bone for passage of nerves of blood vessels
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bone marking 2 categories
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projections (processes)-muscle attachment
depressions(cavities)- bone indentations or openings |
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2 major areas of cranium
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cranial vault(calvaria)-superior,lateral,posterior walls& cranial floor or base-forming skull bottom
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# of flat bones that cover cranium
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8 2 paired bones(parietals and temporals) frontal, occipital, sphenoid, ethmoid
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frontal bone contain what structures
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supraorbital foramen, glabella
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parietal bone contain what structures
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sagittal and coronal suture
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temporal bone structures divde into 4 major regions squamous tympanic, mastoid, and petrous
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squamous suture,zygomatic& mastoid process, external& internal meatus,stylomatoid jugular& lacerum foramen, mandubular fossa, carotid canal
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occipital bone structures
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lamdiod suture, foramen magnum,occipital condyles, hypoglossal canal, external occipital crest &protuberance
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sphenoid bone structures
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greater & lesser wings, sella
turcica, superior orbital fissures, optic canals, foramen rotundum & ovale |
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ethmoid bone structures
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crista galli, cribriform & perpendicular plate(s),lateral
masses , superior and middle nasal conchae |
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facial bones 12 paired 2 single bones (vomer and mandible)
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mandible, maxilla, palatine, zygomatic,lacrimal, nasal, vomer, inferior nasla conchae (turbinates)
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paramasal sinuses in what skull bones
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maxilla, sphenoid, ethmoid, and frontal
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vertebral column
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extend from skull to pelvis form bodys major axial support
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vertebral column # of bones and names of 2 fused bones and vertebrae
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24 single separate into cervical, thoracic and lumbar
2 fused (5)fused sacrum (3 to 5) fused coccyx |
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bony thorax
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sternum, ribs and thoracic vertebrae
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