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Anatomy > Skeletal System > Flashcards

Skeletal System Flashcards

1
Q

Functions of the skeletal system

A

support- provide structural framework
provide attachment for tendons and muscles
protection- protect vital organs
Assistance in movement- skeletal muscles attch to tendons and contract pulling on bone
mineral homeostasis- store minerals e.g calcium
blood cell production- in red bone marrow
tryglyceride storage- yellow bone marrow

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2
Q

structure of bone tissue

A

water
collagen fibre- flexibility
blood vessels
mineralised salts- hardness
extracellular matrix

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3
Q

osteocyte

A

mature bone cell
signalling communicate

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4
Q

osteoblast

A

synthesie matrix cell responsible for bone growth

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5
Q

osteoclast

A

breakdown bone- build strength for bone reabsorobing cell

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6
Q

bone tissue- organic

A

flexibility

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7
Q

bone tissue- inorganic

A

rigid

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8
Q

torsional stress- bending

A

increase bone tissue tightly packed- oteons
compact bone

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9
Q

compressive force

A

increase criscross pattern of trabecular
spongy allows force

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10
Q

divisions of skeleton

A

axial, appendicular

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11
Q

axial

A

longitude axis
exclude scapula, pelvis, clavicle (griddle)

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12
Q

appendicular

A

limbs
griddle- pelvis, scapula, clavicle

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13
Q

Bone Types

A

Long
short
seasamoid
irregular
flat bone

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14
Q

long bone

A

femur, fallanges
length longer then width

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15
Q

short bone

A

calcenius, carpals
length and width is the same

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16
Q

Flat bone

A

sternum, illeum
flat for mucle attachment

17
Q

irregular bone

A

verterbrae, zygomatic bone

18
Q

seasamoid

A

patella
sorounded by tendons

19
Q

3 types of bone surface markings

A

Depressions, projections, areas for articulation

20
Q

Roughened Bumps

A

trochanter
tuberosity
tubercle

projection

21
Q

Bridge of bone

A

Ramus
bridge 2 bones together
projection

22
Q

Raised crest

A

line- splits into two ridges
ridge
spine
crest- raised ridge

23
Q

Roughnened area above condyle

A

epicondyle

24
Q

areas for articulation

A

head- proj
condyle- proj
facet depression

25
Q

facet

A

depresion smooth flat for articulation

26
Q

fovea

A

small pit

27
Q

fossa

A

socket on bone

28
Q

groove

A

shallow furrow

29
Q

sulcus

A

deeper furrow

30
Q

Foramen

A

hole through bone

31
Q

meatus

A

canal in bone

32
Q

fissure

A

slit through bone, in the eye socket

33
Q

sinus

A

cavity with air in bone

34
Q

trabecular

A

cancellous bone
high compressive force

35
Q

osteon

A

compact
high torsion stress

Anatomy (26 decks)

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