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Human Anatomy > Bone Tissue > Flashcards

Bone Tissue Flashcards

1
Q

What is an organ made up of several different tissues (bone, cartilage, dense ct, adipose and nervous tissue) working together?

A

Bone

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2
Q

What does a long bone consist of?

A
  1. Diaphysis (bone shaft)
  2. 2 epiphyses (both ends of the bone at the joints)
  3. 2 metaphyses (region between diaphysis)
  4. Articular cartilage covering both epiphyses
  5. Periosteum (connective tissue surrounding the diaphysis)
  6. Medullary Cavity (hollow space within diaphysis
  7. Endosteum (thin membrane lining the medullary cavity)
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3
Q

Long Bone Structure :
Bone shaft

A

Diaphysis

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4
Q

Long Bone Structure :
Both ends of the bone at the joints

A

2 Epiphyses

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5
Q

Long Bone Structure :
Region between diaphysis and epiphysis

A

2 Metaphyses

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6
Q

Long Bone Structure :
What covers both epiphyses?

A

Articular cartilage

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7
Q

Long Bone Structure :
What is connective tissue surrounding the diaphysis?

A

Periosteum

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8
Q

Long Bone Structure :
What is the hollow space within diaphysis?

A

Medullary Cavity

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9
Q

Long Bone Structure :
What is the thin membrane lining the medullary cavity?

A

Endosteum

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10
Q

What are the 4 types of cells in bones?

A
  1. Osteoprogenitor cells
  2. Osteoblasts
  3. Osteocytes
  4. Osteoclasts
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11
Q

Which bone cell is stem cells able to differentiate into the other types of cells?

A

Osteoprogenitor cells

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12
Q

Which bone cell is for bone building cell that secrete matrix and initiate calcification?

A

Osteblast

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13
Q

Which bone cell is for bone building cell that secrete matrix and initiate calcification?

A

Osteoblast

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14
Q

Which bone cell are mature bone cells?

A

Osteocytes

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15
Q

Which bone cell remodels bones and cause them to release calcium ; bone resorption?

A

Osteoclast

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16
Q

Compact or Spongy Bone :
Good at providing protection and support ; strongest

A

Compact

17
Q

Compact or Spongy Bone :
Good at providing protection and support ; strongest

A

Compact

18
Q

Compact or Spongy Bone :
Lightweight and provides tissue support ; also called trabecular or cancellous bone

A

Spongy Bone

19
Q

What is the process of bone formation called?

A

Ossification (osteogenesis)

20
Q

How do bones form?

A
  1. During embryological and fetal development
  2. When bones grow before adulthood
  3. When bones remodel
  4. When fractures heal
21
Q

What are the types of ossification?

A

Intramembranous
Endochondral

22
Q

Which type of ossification occurs in flat bones when a connective tissue membrane is replaced by bone?

A

Intramembranous

23
Q

Which type of ossification replaces cartilage with bone in the developing embryo and fetus?
Also occurs in epiphyseal plates of long bones as they grow in length

A

Endochondral

24
Q

As osteoblasts deposit bone on the outer surface, what widens the medullary cavity form within?

A

Osteoclasts

Human Anatomy (9 decks)

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