Skeletal System Vocabulary Flashcards

1
Q

Articular Cartilage

A

Thin layer of connective tissue covering the ends of long bones.

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2
Q

Amphiarthroses

A

Slightly moveable joints connected by fibrocartilage.

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3
Q

Ball and Socket Joint

A

Freely moveable joints in which a rounded end of bone fits into an indented end of another; allows the widest range of motion.

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4
Q

Condyloid/Ellipsoidal Joint

A

Freely moveable joints that allow bones to move in many different directions, but not to rotate

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5
Q

Diarthroses (Synovial Joint)

A

Freely moveable joints.

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6
Q

Fibrocartilage

A

Specialized connective tissue with thick collagen fibers

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7
Q

Gliding Joint

A

A freely moveable joint that allows bones to make a sliding motion.

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8
Q

Gomphosis

A

An immovable joint in which a conical process fits into a socket held in place by ligaments

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9
Q

Hinge Joint

A

A freely moveable joint that allows flexion and extension

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10
Q

Joint Articulation

A

The connecting point of two bones.

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11
Q

Pivot Joint

A

A freely moveable joint in which a bone moves around a central axis, creating rational movement

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12
Q

Saddle Joint

A

A freely moveable joint between two bones with complementary shapes; allows wide range of motion

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13
Q

Sutures

A

Immoveable joints; composed of dense fibrous connective tissue, in the skull where the cranial bones meet

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14
Q

Synarthroses

A

Immoveable joints that lack synovial cavity and held together by fibrous connective tissue.

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15
Q

Syndesmoses

A

Slightly moveable joints where bones connected by ligaments

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16
Q

Synovial Fluid

A

Lubricating substance pronounced by the synovial membrane, found in joints

17
Q

Synovial Joint

A

Freely moveable joint; also known as diarthroses

18
Q

Synovial membrane

A

Layer of tissue that lines joint cavities and produces synovial fluid.

19
Q

Axial Skeleton

A

The bones of the head and trunk (skull, spine, sternum, and ribs)

20
Q

Appendicular Skeleton

A

Bones of the pelvis and shoulder girdles, and limbs.

21
Q

Osteocytes

A

A bone cell

22
Q

Ossification

A

The process of none formation

23
Q

Diaphysis

A

The shaft of a long bone

24
Q

Epiphysis

A

The end of a long bone

25
Medullary Canal
The center of the shaft of the long bone
26
Spongy bone
Bone permeated by large marrow-filled spaces
27
Periosteum
The fibrous tissue that covers the bone
28
Osteoblast
The type of bone cell involved in the formation of bony tissues
29
Osteoclast
Type of bone cell involved in the formation of bony tissue
30
Simple fracture
A break in the bone that may be complete or incomplete, but does not break through the skin; also known as a closed fracture
31
Compound fracture
A complete break in the bone where the bone ends separate and break through the skin; also known as an open fracture
32
Greenstick Fracture
An incomplete break in the shaft of the bone occurring in children
33
Comminuted Fracture
A break in the bone in which the bone is shattered in many pieces
34
Stress fracture
A small, incomplete break in the bone that results from overuse, weakness, or biomechanical problems
35
Epiphyseal Plate Fracture
A break in the bone at the growth plate (typically at the wrist or the ankle)
36
Remodeling
The process of absorbing and replacing bone in the skeletal system
37
Reduction
The process of putting broken bones back into proper alignment
38
External Fixation
The use of a cast to maintain proper alignment of bones for the purpose of reduction
39
Internal Fixation
Surgical alignment of bones for the purpose of reduction