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Skeletal System
Chapter 6 anatomy and physiology
24
Biology
Undergraduate 1
09/22/2009

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Cards

Term

 

Articular cartilage

Definition
Cartilage covering the ends of bones forming a joint
Term

 

Articulation

Definition
A joint formed between two bones
Term

 

Compact Bone

Definition
Dense bone tissue formed of numerous tightly packed osteons
Term

 

Diaphysis

Definition

 

The shaft of a long bone

Term

 

Endochondral ossification

Definition

 

The formation of bone tissue within cartilage

Term

 

Epiphysis

Definition

 

The enlarged ends of a long bone

Term

 

Intramembranous ossification

Definition
The formation of bone tissue within a fibrous membrane
Term

 

Ligament

Definition
A band or cord of fibrous connective tissue that joins bones together at movable joints
Term

 

Medullary cavity

Definition
The cavity within the shaft of a long bone that is filled with yellow marrow
Term

 

Osteoblast

Definition

 

A bone cell that deposits matrix

Term

 

Osteoclast

Definition
A bone cell that breaks down bone matrix
Term

 

Osteocyte

Definition

 

A bone cell occupying a lacuna

Term

 

Paranasal sinus

Definition
An air-filled cavity in a bone located near the nasal cavity
Term

 

Periosteum

Definition

 

The fibrous membrane that covers bones

Term

 

Spongy Bone

Definition
Bone tissue that contains numerous spaces filled with red marrow
Term

 

Functions of the Skeletal System

Definition

 

1. Support

2. Protection

3. Attachment sites for skeletal muscles

4. Blood cell production

5. Mineral storage

Term

 

Four basic types of bone

Definition

1. Long Bones

2. Short Bones

3. Flat Bones

4. Irregular Bones

Term

 

epiphysis

Definition
articulate with adjacent bones to form joints, covered by an articular (hyaline) cartilage
Term

 

diaphysis

Definition

 

Shaft of a long bone

Term

 

Part that is in between the

epiphysis and diaphysis

Definition

 

epiphyseal plate or epiphyseal(mature bones)

Term

 

Spongy Bone

Definition

 

-forms the interior of small bones, skull bones and the epiphyses in long bones

-formed of thin rods or plates called trabeculae

-contains red marrow

Term

 

Medullary cavity

Definition
catvity that extends the length of the diaphysis(shaft) 
Term

 

Membrane that lines the medullary cavity

Definition

 

endosteum

(filled with fatty yellow marrow)

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