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A & P > Tissues > Flashcards

Tissues Flashcards

1
Q

What are columnar epithelial cells?

A

Elongated with the nucleus generally near the bottom. Often coli Ted on the outer surface. Line ducts, digestive tract

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2
Q

What is areolar (loose) connective tissue?

A

Composed of a lg semi fluid matrix with many different types of cells and fibres embedded in it. This tissue surrounds various organs and supports both nerve cells and blood vessels

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3
Q

What does adipose tissue do?

A

Stores lipids. Acts as filler tissue. Loose, connective tissue composed of sac-like adipose cells. they are specilized for the storage of fat

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4
Q

What is a ligament?

A

Hold bones together

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5
Q

What are tendons?

A

Hold bone to muscle

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6
Q

What is a fasciae?

A

Fibrous connective tissues sheets that wrap around muscle bundles to hold them in place

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7
Q

What is cartilage?

A

Firm but flexible support

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8
Q

What is fibrocartilage?

A

Strong, flexible->found between bones

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9
Q

What is elastic cartilage?

A

The intercellular matrix is embedded with a network of elastic fibres-> firm but flexible

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10
Q

What are the two main functions of a neuron?

A

1) irritability: ability to respond to environmental changes

2) conductivity: ability to carry a nerve impulse

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11
Q

What is histology?

A

The study of tissues

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12
Q

What are the four kinds of tissues?

A

Epithelial, connective,, muscle, and nervous

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13
Q

What does the basement membrane do?

A

It acts as an anchor and adhesive for epithelial cells

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14
Q

How are epithelial cells named?

A

Shape, arrangement or function

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15
Q

What are squamous epithelial cells

A

They are flat and serve to protect.->lining of mouth and skin

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16
Q

what do cuboidal cells do?

A

They are shaped like cubes and function in protection and secretion.

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17
Q

What do columnar epithelial cells do?

A

They are tall, rectangular, function in secretion and absorption

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18
Q

How thick is a simple epithelium layer?

A

Once cell layer thick

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19
Q

How thick is stratified epithelium layer?

A

Several layers think

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20
Q

How thick is pseudostratified epithelium?

A

Looks several layers thick but all cells extend from the basement membrane to the outer surface

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21
Q

What do transitional epithelium cells looks like

A

Several layers of closely packed, easily stretched cells. When stretched they appear flat; when relaxed they look ragged, or saw-toothed

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22
Q

What is endothelium of the heart called?

A

Endocardium?

23
Q

What lines the great cavities of the body

A

Mesothelium or serous tissues.

24
Q

What lines the thoracic cavity?

A

Pleura

25
Q

What lines the abdominal cavity? What covers the heart?

A

Peritoneum, pericardium

26
Q

What is connective tissue made up of?

A

Intercellular material called matrix

27
Q

What are the three different kinds of connective tissue?

A

Loose, dense, specialized

28
Q

What are the three types of loose connective tissue?

A

Areolar, adipose, and reticular

29
Q

What are the three main cells found in areolar (loose connective tissue)

A

1) firbroblasts: make fibrils for repair
2) histiocytes or macrophages: phagocytosis
3) mast cells: produce the anticoagulant heparin and histamine an inflammatory substance

30
Q

What does reticular (loose connective tissue) do?

A

Forms the framework of the liver, spleen, lymph nodes and bone marrow.

31
Q

Dense connective tissue that has a regular argument of embedded firbres:

A

Tendons, ligaments, aponeuroses

32
Q

Dense connective tissue have irregular arrangement of embedded fibers are

A

Muscle sheaths, joint capsules and fascia

33
Q

What are the different types of cartilage?

A

Hyaline, fibrocartilage and elastic

34
Q

What cells are in cartilage?

A

Chondryocytes

35
Q

Where is hyaline cartilage found?

A

In the costal cartilages that attach to the ribs of the sternum, in the septum of our nose Nd the rings that keep our trachea and bronchi open

36
Q

What are teeth made out of? And what is the crown of the tooth covered in?

A

Dentin, enamel

37
Q

A histiocyte is a cell found in

A

Connective tissue

38
Q

Which tissue has little intercellular material?

A

Epithelial

39
Q

Kupffer’s cells are found in the

A

Liver

40
Q

Ovaries are what type of cell?

A

Cuboidal

41
Q

The membrane lining the lungs is the

A

Visceral pleural

42
Q

The lining of blood vessels is made up of

A

Squamous cells

43
Q

Alveoli of the lungs have which kind of cell arrangement?

A

Simple

44
Q

If a relaxed tissue and the cell layer looks like the teeth of a saw, it is

A

Transitional

45
Q

Which glands are unicellular?

A

Goblet

46
Q

The vessels made up of endothelium in simple cell arrangement are

A

Capillaries

47
Q

Synovial membrane line joints and

A

Bursae

48
Q

Synovial membranes function in

A

Friction reduction

49
Q

Which tissue functions as an insulator?

A

Adipose

50
Q

Muscles have the ability to shorten and thicken due to

A

Actin and myosin

51
Q

Intercalated disks are found in which type of muscle?

A

Cardiac

52
Q

The supporting cells of the nervous system are the

A

Neuroglia

53
Q

An example of dense connective tissue with an irregular arrangement of fibres is a(n)

A

Muscle sheath

54
Q

Bone stores the mineral salts calcium and

A

Phosphorus

A & P (15 decks)

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