Week 2 Bone And Anatomy Flashcards

0
Q

Characteristics of axial skeleton

A

Vertebral column ribs and skull

80 bones

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1
Q

What are the two main groups of bone

A

Axial skeleton

Appendicular skeleton

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2
Q

Characteristics of an appendicular skeleton

A

Bones of the pelvis and lower limb

126 bones

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3
Q

Functions of bone tissue

A

Support – skeleton is structural framework of body
Protection – skeleton protects many internal organs
Assists in movement – muscles pulling on bones
Mineral homeostasis – bone tissue stores and releases minerals
Blood cell production – within certain bones

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4
Q

Describe long bones

A

Weight bearing

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5
Q

Short bones

A

.

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6
Q

Flat bones

A

Provide protection

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7
Q

Irregular bones

A

.

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8
Q

Sesamoid bones

A

Developing tendons with compression

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9
Q

Sutures bones

A

Small flat irregular bones of the skull

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10
Q

Bulges depressions and Holes in bones service

A

Side of attachment for muscles ligaments and tendons

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11
Q

Site of muscle and ligament attachment

For tuberosity

A

Rounded projection

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12
Q

Site of muscle and ligament attachment

For crest

A

Narrow, prominent ridge

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13
Q

Site of muscle and ligament attachment

For trochanter

A

Large blunt irregular surface

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14
Q

Site of muscle and ligament attachment

For tubercle

A

Small rounded projection

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15
Q

Site of muscle and ligament attachment

For epicondyle

A

Raised area above condyle

16
Q

Site of muscle and ligament attachment

For process

A

Any bony prominence

17
Q

Depressions and openings for fissure

A

Narrow openings

18
Q

Depressions and openings for foremen

A

Round or oval opening through a bone

19
Q

Depressions and openings for fossa

A

Shallow, basin like depression

20
Q

The anatomy of a diaphysis

A

The shaft of a long bone

21
Q

The anatomy of a epiphysis

A

The ends of a bone

22
Q

The anatomy of a metahysis

A

Where the Diaphysis joins epiphysis

23
Q

The anatomy of a epiphyseal plate

A

A layer of hyaline cartilage that allows the diapjysis of the bone to grow in length

24
Q

The anatomy of a articular cartilage

A

Covers epiphysis and reduces shock and friction

25
Q

Nutrient foremen

A

Allows artery and vein to enter the bone

26
Q

The anatomy of a periosteum

A

Tough sheath of connective tissue that surrounds the bone surface.
It contains bone forming cells allowing bone to grow in diameter not length.

27
Q

The anatomy of a medullary cavity

A

Contains the bone marrow

28
Q

Explain osteogenic cells

A

Stem cells in periosternum and endostrnum

29
Q

Explain Osteoblasts

A

Bone forming cells

30
Q

Explain osteocytes

A

Mature bone cells

31
Q

Explain osteoclasts

A

Cells that break down (resort) bone matrix

32
Q

Explain a compact bone

A

Does not have visible spaces in bone matrix, forms thick walled diaphysis

33
Q

Explain spongey bone

A

Consists of delicate sheets of bone

End of long bones

34
Q

How does bone formation occur

A

Intranenbranous ossification
- Bone forms directly within mesenchyme
- within fibrous tissues
- flat bones of the skull and the mandible
Endochondral ossification
-Bone forms within hyaline cartilage that develops from the mesenchyme. (Most bones are former this way.