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ANAT 200 - TISSUE TYPES > CONNECTIVE TISSUE > Flashcards

CONNECTIVE TISSUE Flashcards

1
Q

What are fibers considered as in connective tissue?

A

Structural support

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2
Q

What is the general configuration of connective tissue?

A

Fluid matrix (gel)

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3
Q

What are the two characteristics of connective tissue?

A
  1. Relatively few cells
  2. Abundance of extracellular matrix
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4
Q

What are the two characteristics of the connective tissue matrix?

A
  1. Ground substance (highly hydrated gel)
  2. Has three different fibers (collagen, reticular, elastic)
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5
Q

What is collagen?

A

Form bundles that provide tensile strength

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6
Q

Where is collagen found?

A

Between muscle and bone (tendons)

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7
Q

What is reticular?

A

Form branching network that supports cells (strong and resilient)

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8
Q

What is the structure of reticular fiber?

A

Mesh; fibers come in different directions

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9
Q

What is elastic?

A

Thin branching fibers that function like rubber bands (recoil)

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10
Q

What are the two characteristics of the connective tissue structure?

A
  1. Fibroblasts secrete ground substance (gel matrix) and fibres
  2. Macrophages ingest debris and function in immune response
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11
Q

What is the classification of connective tissue based on?

A
  1. Density of fibers
  2. Types of fibers
  3. Preponderance of specific cell type
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12
Q

What are mesenchyme?

A

Stem cells

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13
Q

Where are mesenchyme found?

A

In developing embryo

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14
Q

What is important about mesenchyme?

A

Remain as stem cells in adult tissue

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15
Q

What are the three characteristics of loose connective tissue?

A
  1. Packing material - fill spaces between organs, provide cushioning and support
  2. Abundance of ground substance or cells
  3. Relatively few fibers
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16
Q

What are the three types of loose connective tissue?

A
  1. Areolar
  2. Adipose
  3. Reticular
17
Q

What are the three characteristics of areolar connective tissue?

A
  1. Most common and least specialized connective tissue
  2. Links together other tissues and organs throughout body
  3. Open framework - ground substance and elastic fibers
18
Q

What are the three characteristics of adipose connective tissue?

A
  1. Fat tissue (determined through genetics, sex, age, metabolic activity)
  2. Forms deposits in specific area of the body
  3. Functions in padding, insulation and energy storage
19
Q

What are the two characteristics of dense connective tissue?

A
  1. Abundance of fibers
  2. Relatively little ground substance and few cells
20
Q

What are the two characteristics of dense irregular connective tissue?

A
  1. Fibers unaligned and run at a variety of angles
  2. Forms dermis of skin, organ capsules, sheaths around bones, muscles and nerves
21
Q

What are the two characteristics of dense regular connective tissue?

A
  1. Fibers aligned in one direction
  2. Forms tendons (muscle to bone) and ligaments (bone to bone)
22
Q

What is the structural unit of membranes?

A

Composed of epithelium and connective tissue

23
Q

What do membranes line?

A

Line surfaces, cavities and hollow organs

24
Q

What does the mucous membrane line?

A

Lungs and digestive tract

25
Q

What does the serous membrane line?

A

Pleural, pericardial and peritoneal cavities (no friction)

26
Q

What does the cutaneous membrane line?

A

Skin

27
Q

What does the synovial membrane line?

A

Synovial joints (synovial fluid)

28
Q

What are the two types of fluid connective tissue?

A
  1. Blood
  2. Lymph (less viscous than blood)
29
Q

What are the two characteristics of blood?

A
  1. Composed of blood cells and plasma
  2. Plasma forms fluid matrix
30
Q

What is a characteristic of lymph?

A
  1. Composed of lymphocytes and lymph fluid
31
Q

What is lymph fluid?

A

A dilute solution of proteins and excess interstitial fluid

32
Q

What is supporting connective tissue?

A

Consists of cartilage and bone

ANAT 200 - TISSUE TYPES (6 decks)

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