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Human Anatomy > Exam 2 > Flashcards

Exam 2 Flashcards

1
Q

What are the tissue & organs involved in the skeletal system?

A

cartilage,ligaments, & tendons

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2
Q

What is cartilage?

A

The embryonic forerunner of most bones and covers many joint surfaces.

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3
Q

What are ligaments?

A

Bone to Bone

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4
Q

What are tendons?

A

Muscles to Bone

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5
Q

What are the functions of the skeletal system?

A 
Support 
Movement 
Protection 
Blood Formation 
Electrolyte & Acid-Base balance
Detoxification
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6
Q

How many bones do we have at birth & as an adult?

A

270 @ birth

206 as an adult

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7
Q

How are seasmoid bones formed?

A

within the tendons due to stress.

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8
Q

What are sutural (wormian) bones?

A

Extra bones in the skull.

They’re not found in everyone.

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9
Q

What is the axial skeleton, what does it consists of?

A

The central supporting axis of the body. Consists of: Skull, Vertebral column, Thoracic cage

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10
Q

What is the appendicular skeleton?

A

The upper and lower limbs, pectoral & pelvic girdle

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11
Q

What are the different bone shapes?

A

Flat
Long
Short
Irregular

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12
Q

What is osteology?

A

The study of bone

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13
Q

What is bone?

A

Connective tissue w/ a head matrix

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14
Q

What is mineralization?

A

the process of hardening.

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15
Q

What are the other tissue is present in bone?

A 
Blood 
Bone marrow 
Adipose Tissue 
Nervous Tissue 
Fibrous Connective tissue 
Cartilage
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16
Q

Where is soft tissue located?

A

Marrow cavites in long bones
Spaces of spongy bones
Large central canals
Osteons

17
Q

Where is YBM & RBM located?

A 
Skull 
Vertebrae
Sternum
RIbs
Proximal heads of humerus & femur
-------------------------
Long bones of limbs
18
Q

What is ossification?

A

Bone formation that begins with mesenchyme.

19
Q

What is mesenchyme?

A

Embryonic connective tissue

20
Q

What is bone elongation?

A

When bones grow longer @the epiphyseal line.

21
Q

What are epiphyseal plates made off?

A

Hyaline cartilage & metaphysis.

22
Q

What is the function of the metaphysis?

A

Transfer loads from weight-bearing joint surface to the diaphysis.

23
Q

What is appositional growth?

A

Growth in diameter & thickness.

24
Q

What is Wolff’s law of bone?

A

Bone shape is determined by mechanical stress.
Bone adapts to withstand stress.
Form follows function.

25
Q

What is osteopenia?

A

Loss of bone

Human Anatomy (5 decks)

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