Chapter 5 The Skeletal System
List the different types of sutures?
sagittal suture, coronal suture, lamboid suture, squamous suture
the sagitattal suture connects
the coronal suture connects
parietal and frontal bones
the squamous suture connects
temporal and parietal bones
the lamboid suture connects
occipital and parietal bones
what is your external auditory meatus? where is it found?
ear canal; temporal
what is your foramen magnum
your opening in the occipital for spinal
where is your foramen magnum located?
what do your occipital condyles articulate with?
c1 vertebra (atlas)
wwhere is the sella turcica?
sphenoid and it holds the pituitary
what is the maxillae bone also called?
upper jaw bone
what bones form the anterior and posterior hard palate?
anterior - maxillary posterior - palantine
what happens if you have a cleft palate?
2 palantine bones do not fuse together
what bones are reffered to as your cheekbones?
what do your lacrimal bones form?
inner eye (medial orbital) bones that allow for tears
what do your nasal bones form?
bridge of nose
what does your vomer bone form?
nasal septum (in between nose)
list the characteristics of the mandible?
only that moves, lower jaw, largest and strongest
what is unique about the hyoid bone? where is it located?
doesnt artiulate with any other bone; attachment for tongue
what are fontanels?
soft spots in kids; fibrous membrane connecting the cranial
how many bones are in the vertebral column?
what are the intervetebral discs composed of? what do they do?
protect and cusion ; firbocartilage pad in between vertebrae
what are the divisions of the vertebral column? how many vertebrae are in each division?
cervical (7), thoracic (12), lumbar (5)
what is your c1 vertra called? what does it allow you to do?
atlas; allows you to nod "yes"
what is your c2 vertebrae called? what does it allow you to do?
axis ; allows you to nod "no"
what does your odontoid process do ? where is it found?
acts as a pivot point; atriculates with c2; foudn in cervical
what are the differences between the body of a cervical, thoracic, and lumbar vertebrae?
thoracic- heart shaped, lumbar- massive blocklike. cervical - smallest and lighest
what are the features of the sacrum?
sacral canal and allae . (5 fused nones and articulates with L5)
what is your coccyx?
which vertebrae have the largest body?
what composes the bony thorax?
ribs, sternum, thoracic, lumbar
how many ribs are there?
12 pairs (24)
which ribs are true ribs? what are true ribs?
ribs 1-7 ; directly attach to the sternum
which ribs are false ribs? what are false ribs?
ribs 8-12; attach indirectly to sternum
which ribs are floating and why ?
11 and 12; they are notconnected at all to the sternum
what does your appendicular skeleton include?
126 bones, limbs, girdles
list the bones of the shoulder girdle
clavicle and scapula
what is the name of the process where the clavicle meets the scapula?
where is the coracoid process located and what does it do ?
scapula ; anchors muscles
what does the clavicle attach to?
manubirum of the sternum, medially
what is the glenoid cavity ? which bones contains it?
on scapula; whoulder socket holds the hear of the humerous
list the bones of the upper limbs
humerous, radius, ulna, hand bones
what is the deltoid tuberosity?
attachment for deltoid on humerous
how many carpals, metacarpals, and phalanges are tehre?
8 carpals; 5 metacarpals; 14 phallangers
where is the radial tuberosity located? what does it do?
on radius; attachment for bicep muscle
how many bones are in the hand?
27 in each hand
which bone of the lower leg is medial? lateral?
tibia is medial, fibula is lateral
list of the bones of the lower limb
femur, tibia, fibula, foot, patella
where are the lateral and medial malleolus found?
lateral - fibula, mediaial - tibia ?
what is your talus? calcaneus?
talus - ankle ; calcaneus - heel
list the bones of the pelvic girdle
ilium, ischium, pubis (all together make the coxal)
what is your ischial tuberosity ?
projections that you sit on (bony butt)
what ist he obturator foramen?
opening for blood vessels and nerves
what is your pubic symphysis
which bone of the pelvis is superior and anterior?
superior - ilium ; anterior pubis
what is the difference between male and female pelvic girdles
in general, females are larger and curvier
what joins at your sacroliac joint?
sacrum and ilium
type of arthitus that breaks down the cartilage over time?
type of arthitus where its a difsorder where scar tissue fused into bone
type of arthitus that uric acid deposited in joints forming cyrstals (highly dangerous)
what is osteoporosis?
loss of bone mass and calcium in diet