Connective Tissue Flashcards

1
Q

4 functions of the Connective Tissue

A
  • Resist stress
  • Immunity
  • Organize Tissues
  • Metabolic
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2
Q

Embryonic Origin of the Connective Tissue

A

Mesenchyme

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3
Q

Connective Tissue has relative ______ cells

A

Few

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4
Q

Connective Tissues have _______ extracellular matrix

A

Lots of / abundant / large amount of

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5
Q

Connective Tissue has a significant network of?

A

Blood Vessels

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6
Q

3 Components of Connective Tissue

A
  1. Cells
  2. Protein Fibers
  3. Ground Substance
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7
Q

Most common cells in the connective tissue proper

A

Fibroblasts

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8
Q

Fibroblasts originate from where?

A

Mesenchymal Cells

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9
Q

If fibroblasts are active cells, what are are the inactive or quiescent cells?

A

Fibrocytes

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10
Q

Derived from the precursor cells called monocytes

A

Macrophages / Histocytes

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11
Q

Are antigen presenting cells

A

Macrophages

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12
Q

Also known as Signet Ring Cells

A

Fat Cells / Adipose Cells / Adipocytes

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13
Q

Adipocytes store what?

A

Neutral Fats

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14
Q
  • Usually ovoid with a small, centrally placed nucleus
  • Cytoplasm filled with strongly basophilic granules containing histamine
A

Mast Cells

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15
Q

Derived from B Lymphocytes

A

Plasma Cells

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16
Q
  • Highly specialized for antibody synthesis
  • Has a cart wheel or clock face arrangement of nucleus
A

Plasma Cells

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17
Q

Most abundant WBC

A

Neutrophils

18
Q

Amorphous substance that fills the space between the cells and fibers

A

Ground Substance

19
Q

Macromolecules in the Ground substance

A
  • Glycosaminoglycans (GAGs)
  • Proteoglycans
  • Proteins (fibronectin)
20
Q

Type of Protein Fiber

  • tough, thick, fibrous protein
  • most abundant type of fiber in the CT
A

Collagen Fibers

21
Q

Type of Protein Fiber

  • Thin, and forms delicate netlike support framework
  • Consists mainly of Collagen Type III
A

Reticular Fibers

22
Q

What is it called when a tissue or organ can only be visible when stained with silver stain?

A

Argyrophilic

23
Q

Type of Protein Fiber

  • thin, small, branching fibers that allow stretch
A

Elastic Fibers

24
Q

3 types of protein fibers?

A
  1. Collagen Fibers
  2. Reticular Fibers
  3. Elastic Fibers
25
Most common type of Collagen Fiber
Type I CF
26
Type of Collagen Fiber that is thin, branching reticular fibers that form delicate supporting meshwork
Type III CF
27
Type of Collagen Fiber that is the basal lamina of the basement membrane
Type IV CF
28
Two basic groups of Connective Tissue
1. Connective Tissue Proper 2. Special Connective Tissue
29
2 types of Connective Tissue Proper
1. Loose 2. Dense
30
3 types of Loose connective tissue
1. Areolar 2. Reticular 3. Adipose
31
3 types of Dense Connective Tissue
1. Irregular 2. Regular 3. Elastic
32
A loose connective tissue with Gel like matrix with all 3 fiber types; Fibroblasts, macrophages, mast cells, and some WBCs
Areolar Connective Tissue
33
-Provides reserve fuel -Insulates against heat loss -Supports and protects organs
Adipose Tissue
34
Network of reticular fibers in a typical loose ground substance; reticular cells lie on the network
Reticular Connective Tissue
35
Primarily irregularly arranged collagen fibers; some elastic fiber; major cell type is the fibroblasts; defense cells and fat cells are also present
Dense Irregular Connective Tissue
36
Primarily parallel collagen fibers; a few elastic fibers; major cell type is the fibroblast
Dense Regular Connective Tissue
37
Dense regular connective tissue containing high proportion of elastic fibers
Elastic Connective Tissue
38
2 embryonic connective tissues
1. Mesenchyme 2. Mucous Connective Tissue
39
Specialized Connective Tissue - First connective tissue to appear in a developing embryo - Tissue not found in adults - Contains mesenchymal cells - Gives rise to all other connective tissues
Mesenchyme
40
Specialized Connective Tissue - Principal component of the fetal umbilical cord, where it is referred to as Wharton’s Jelly - Gelatinous due to abundant ground substance mainly composed of hyaluronan - Sparse collagen fibers and scattered fibroblasts
Mucous Connective Tissue