Bone Flashcards

1
Q

creation/formation of bone

A

osteogenesis/ossification

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2
Q

ossifies and builds bones

A

osteoblasts

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3
Q

dissolves bones (resorption/demineralizing extra cell matrix)

A

osteoclast

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4
Q

mesenchyme condenses to form the periosteum, happens at 6 weeks of development

A

intramembranous ossification

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5
Q

outer membrane of the bone, results from condensation of mesenchyme

A

periosteum

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6
Q

embryonic connective tissue

A

mesenchyme

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7
Q

develops through intramembranous ossification, develops from a primary ossification center

A

flat bones

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8
Q

sticks to bone and prevents fractures

A

Ca phosphate

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9
Q

occurs at 2 months of development, within cartilage (hyaline)

A

endochondral (ossification)

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10
Q

forms the cartilage model

A

chondroblasts (make) /chondrocytes (maintains)

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11
Q

model hardens due to a lack of alkaline phosphates

A

cartilage model ossifies

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12
Q

dies as cartilage ossifies

A

chondrocytes/chondroblasts

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13
Q

template that is set for osteoblasts to form bone

A

scaffold

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14
Q

involves a primary and secondary ossification center

A

endochondral ossification

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15
Q

mature cell that lives in bone and maintains it

A

osteocyte

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16
Q

2/3 of bone

A

inorganic

17
Q

2/3 inorganic material of bone, made of calcium phosphate, gives bone it’s hardness (resistance to fracture)

A

hydroxyapatite

18
Q

1/3 of bone

A

organic

19
Q

1/3 organic material of bone, mainly collagen fibers gives bones it’s tensible strength (bendability)

A

osteoid

20
Q

consists of hyaline cartilage and is the location of the secondary ossification centers

A

epiphyseal plates of long bones

21
Q

what the epiphyseal plates become once secondary ossification centers fully ossify

A

epiphyseal lines

22
Q

what the bones form when it’s fully grown

A

epiphyseal lines

23
Q

inside with spongy bone layer, inner bone membrane

A

endosteum

24
Q

in contact with compact bone

A

periosteum

25
Q

disorganized, porous, contains red bone marrow, makes the bone lighter, diploe

A

spongy bone tissue

26
Q

highly organized, dense, gives bones it’s hardness

A

compact bone

27
Q

found in the ends of children’s bones

A

hyaline cartilage

28
Q

gives bones it’s flexibility

A

collagen

29
Q

stores lipids and energy in marrow cavity

A

yellow bone marrow

30
Q

generates red blood cells

A

red bone marrow

31
Q

old bone

A

epiphyseal line