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Human Anatomy > Human Anatomy - Tissues > Flashcards

Human Anatomy - Tissues Flashcards

1
Q

What is the

ECM of bone tissue?

A

Solid, calcified

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2
Q

What are the main cell types of bone tissue?

A

Osteoblasts and osteocytes

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3
Q

What do osteoblasts do?

A

Secrete collagen fibres and matrix

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4
Q

What do osteocytes do?

A

Live in lacunae and maintain bone metabolism.

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5
Q

What is the fibre type of bone tissue?

A

Collagen

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6
Q

How vascularized is bone tissue?

A

Well

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7
Q

What is the function of bone tissue?

A

Support and protect organs
Provide levers and attachment sites for muscles
Store calcium, other minerals and fat
Blood cell formation

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8
Q

Where is bone tissue found?

A

Bones

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9
Q

What is the functional unit of bone?

A

Osteon

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10
Q

What is the ECM of blood?

A

Liquid

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11
Q

What are the cells of blood?

A

Erythrocytes, Leukocytes, platelets

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12
Q

What is the function of blood?

A

Carry respiratory gases, nutrients and wastes.

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13
Q

Where is blood located?

A

In the blood vessels and heart

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14
Q

Coverings and lining of membranes are composed of both _________ tissue and _________ tissue.

A

Epithelial + connective

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15
Q

What are the three types of membranes?

A

Cutaneous, mucous, serous

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16
Q

Which membrane is dry, which is wet?

A 
Dry = Cutaneous
Wet = serous, mucous
17
Q

Where would you find a cutaneous membrane and, what type of epithelium would be found there?

A

Location: Skin

Keratinized stratified squamous epithelium

18
Q

Where do you find mucous membranes?

A

Lining hollow organs open to the exterior of the body.

19
Q

Describe a mucous membrane.

A

An epithelial sheet underlain with a layer of lamina propria (areolar connective tissue; for mucus secreting epithelium)

20
Q

What are the two cell types that can compose mucous membranes?

A

Deeper: simple columnar ciliated epithelium
Superficial: non-keratinized stratified squamous epithelium

21
Q

Describe serous membranes.

A

Simple squamous epithelium lying on areolar connective tissue.

22
Q

What do serous membranes line?

A

Closed cavities;

Pleural, pericardial, peritoneal

23
Q

What cell type composes serous membranes?

A

Non-keratinized simple squamous epithelium (Mesothelium)

24
Q

Describe skeletal muscle tissue.

A

Long, cylindrical cells
Multinucleated
Striated

25
Q

What are the functions of skeletal muscle tissue?

A

Voluntary movement
Manipulation of environment
Facial expression

26
Q

Where is skeletal muscle found?

A

Attached to bone (occasionally to skin)

27
Q

Describe cardiac muscle cells.

A

Branching, striated cells.
Generally, uninucleate.
Cells interdigitated at inercalated discs.

28
Q

What is the function of intercalated discs?

A

Keep muscle cells together so that they arent ripped apart during contraction.

29
Q

What is the function of cardiomyocytes?

A

Contract to propel blood into circulatory system.

Involuntary control.

30
Q

Where are cardiomyocytes located?

A

Occurs in walls of heart.

31
Q

Describe smooth muscle cells.

A

Spindle-shaped cells with central nuclei.
Arranged to form sheets.
No striations.

32
Q

What is the function of smooth muscle?

A

Propels substances along internal passageways.

Involuntary control.

33
Q

Where is smooth muscle located?

A

Mostly walls of hollow organ.

34
Q

What are the two cell types of nervous tissue?

A

Neurons and neuroglia

35
Q

What are neurons?

A

Functional unit of nervous tissue.

36
Q

What are neuroglia?

A

Glue together nervous tissue and support neurons.

37
Q

There are _____ neuroglia than neurons.

A

More

38
Q

What is the function of nervous tissue?

A

Transmit electrical signals from sensory receptors to effectors.

39
Q

Where is nervous tissue located?

A

Brain, spinal cord, nerves

Human Anatomy (53 decks)

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