A&Plab3 Word Scramble
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Question | Answer |
skeletal system | supports, protects, provides levers, stores lipids & minerals (calcium), hematopoiesis |
axial skeleton | axis of skeleton - skull, vertebrae, ribs |
appendicular skeleton | appendages |
bone structure | compact or spongy, long, short, flat, irregular |
diaphysis | shaft |
epiphysis | end of long bone |
epiphyseal plate | growth plate |
epiphyseal line | remnants of epiphyseal plate |
medullary cavity | central cavity of diaphysis |
endosteum | lining of shaft |
yellow marrow | storage for adipose tissue |
red marrow | area involved in forming blood cells |
periosteum | covers bone surface |
articular cartilage | covers epiphyseal surface |
spongy bone | composed of small trabeculae and lots of open space |
compact bone | looks smooth & homogeneous |
osteon | Haversian system - bone unit |
central canal | Haversian Canal - runs parallel to long bone |
lamellae | circles around lacunae/osteons |
osteocytes | mature bone cells |
lacunae | chambers that hold osteocytes |
canaliculi | tiny canals |
perforating canals | Volkmann's Canals - perpendicular to shaft |
frontal bone | anterior portion of cranium |
parietal bone | postereolateral to frontal bone |
sagittal suture | midline articulation point of two parietal bones |
coronal suture | point of articulation of parietals with frontal bone |
temporal bones | inferior to parietal bone on lateral skull |
squamous suture | point of articulation of the temporal bone with the parietal bone |
external auditory meatus | canal leading to eardrum & middle ear |
styloid process | needlelike projection inferior to external auditory meatus |
zygomatic process | a bridgelike projection joining to zygomatic bone anteriorly |
mastoid process | rough projection inferior & posterior to external auditory meatus |
mandibular fossa | rounded depression on the inferior surface of zygomatic process, forms socket for mandibular condyle |
jugular foramen | opening medial to the styloid process through which internal jugular vein and cranial nerves |
carotid canal | opening medial to styloid process through which internal carotid artery passes into cranial cavity |
internal acoustic meatus | opening on posterior aspect of temporal bone allowing passage of cranial nerves |
foramen lacerum | a jagged opening between temporal bone and sphenoid process providing passage for many small nerves and for internal carotid artery to pass into middle cranial fossa |
occpital bone | most posterior bone of cranium |
lambdoidal suture | site of articulation of occipital bone & parietal bones |
foramen magnum | large opening in base of occipital, which allows the spinal cord to join with the brain |
occipital condyles | rounded projections lateral to the foramen magnum that articulate with first cervical vertebrae |
hypoglossal canal | opening medial & superior to the occipital condyle through which the hypoglossal nerve passes |
sphenoid bone | bat-shaped bone forming the anterior plateau of the middle cranial fossa across the width of the skull |
superior orbital fissures | jagged openings in orbits providing passage for cranial nerves to enter where serve eye |
sella turcica | a saddle-shaped region in the spenoid midline |
optic canals (optic foramina) | opening in the bases of the lesser wings through which the optic nerves enter the orbits to serve eyes |
foramen rotundum | opening lateral to the sella turcica that allows passage of a branch of cranial nerve |
foramen ovale | opening posterior to sella turcica that allows passage of branch of cranial nerve |
foramen spinosum | located in the base of the skull, on the sphenoid bone, situated lateral to foramen ovale in a posterior angle |
ethmoid bone | irregularly shaped bone anterior to the sphenoid |
crista galli | vertical projection providing a point of attachment for dura mater |
cribriform plate | bony plates lateral to the crista galli through which olfactory fibers pass to brain from nasal mucosa |
mandible | the lower jawbone |
mandibular condyle | articulation point of the mandible |
coronoid process | (in mandibular) jutting anterior portion of the ramus; site of muscle attachment |
maxillae | two bones fused in medial suture; form upper jawbone & parts of orbits |
palatine processes | form the anterior hard palate |
palatine bones | paired bones posterior to palatine process |
zygomatic bones | lateral to the maxilla; forms portion of face called cheekbone |
lacrimal bones | fingernail-sized bones forming a part of the medial orbit walls between maxilla & ethmoid |
vomer | blade-shaped bone in medial plane of nasal cavity |
hyoid bone | located in the throat above the larynx |
fetal skull | indentations between bones are fontanels |
anterior fontanel | soft spot on top |
posterior fontanel | soft spot on back |
sphenoidal fontanel | soft spot above jaws |
mastoid fontanel | soft spot in back of jaw |
Created by:
launawe
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