Chapter 5 The Skeletal System

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List the different types of sutures?

sagittal suture, coronal suture, lamboid suture, squamous suture

the sagitattal suture connects

parietal bones

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?

occipital

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?

zygomatic

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?

26 bones

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?

tail bone

which vertebrae have the largest body?

lumbar

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?

acromion process

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

cartilagous joint

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?

osteoarthritis

type of arthitus where its a difsorder where scar tissue fused into bone

rheumatoid

type of arthitus that uric acid deposited in joints forming cyrstals (highly dangerous)

gout

what is osteoporosis?

loss of bone mass and calcium in diet

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