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

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

19
Q

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

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

24
Q

in contact with compact bone

A

periosteum

25
disorganized, porous, contains red bone marrow, makes the bone lighter, diploe
spongy bone tissue
26
highly organized, dense, gives bones it's hardness
compact bone
27
found in the ends of children's bones
hyaline cartilage
28
gives bones it's flexibility
collagen
29
stores lipids and energy in marrow cavity
yellow bone marrow
30
generates red blood cells
red bone marrow
31
old bone
epiphyseal line