Bones and Skeletal Tissue Flashcards

(14 cards)

1
Q

What are the functions of bones?

A
Support
Protection
Movement
Mineral Storage
Hematopoiesis - blood cell formation
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2
Q

What are the two types of bones (gross anatomy)?

A

Compact - dense outer layer

Spongy - honeycomb of trabeculae

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3
Q

What are the two components of long bones?

A

Diaphysis and Epiphysis

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4
Q

What is a diaphysis?

A

tubular shaft that forms the axis of long bones

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5
Q

What is a diaphysis composed of?

A

Compact bone that surrounds the medullary cavity, which contains yellow bone marrow (fat)

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6
Q

What is a epiphysis?

A

Expanded ends of long bones

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7
Q

What is epiphyses composed of?

A

Exterior is compact bone; interior is spongy bone

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8
Q

The joint surface is covered by _____ cartilage in epiphyses.

A

articular (hyaline)

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9
Q

What are the two types of bone membranes?

A

Periosteum and Endosteum

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10
Q

What is the periosteum?

A

A double-layered protective membrane that is richly supplied with nerve fibers, blood, and lymphatic vessels.

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11
Q

What is the outer fibrous layer of the periosteum made of?

A

dense regular connective tissue

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12
Q

What is the inner osteogenic layer of the periosteum composed of?

A

Osteoblasts and Osteoclasts

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13
Q

The periosteum is secured to underlying bone by _______ fibers.

A

Sharpey’s

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14
Q

What is the endosteum?

A

A delicate membrane covering internal surfaces of bones.

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