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Histology 2ndYR 1st Sem Prelims > Connective Tissue > Flashcards

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
Q

Most common type of Collagen Fiber

A

Type I CF

26
Q

Type of Collagen Fiber that is thin, branching reticular fibers that form delicate supporting meshwork

A

Type III CF

27
Q

Type of Collagen Fiber that is the basal lamina of the basement membrane

A

Type IV CF

28
Q

Two basic groups of Connective Tissue

A
  1. Connective Tissue Proper
  2. Special Connective Tissue
29
Q

2 types of Connective Tissue Proper

A
  1. Loose
  2. Dense
30
Q

3 types of Loose connective tissue

A
  1. Areolar
  2. Reticular
  3. Adipose
31
Q

3 types of Dense Connective Tissue

A
  1. Irregular
  2. Regular
  3. Elastic
32
Q

A loose connective tissue with Gel like matrix with all 3 fiber types; Fibroblasts, macrophages, mast cells, and some WBCs

A

Areolar Connective Tissue

33
Q

-Provides reserve fuel
-Insulates against heat loss
-Supports and protects organs

A

Adipose Tissue

34
Q

Network of reticular fibers in a typical loose ground substance; reticular cells lie on the network

A

Reticular Connective Tissue

35
Q

Primarily irregularly arranged collagen fibers; some elastic fiber; major cell type is the fibroblasts; defense cells and fat cells are also present

A

Dense Irregular Connective Tissue

36
Q

Primarily parallel collagen fibers; a few elastic fibers; major cell type is the fibroblast

A

Dense Regular Connective Tissue

37
Q

Dense regular connective tissue containing high proportion of elastic fibers

A

Elastic Connective Tissue

38
Q

2 embryonic connective tissues

A
  1. Mesenchyme
  2. Mucous Connective Tissue
39
Q

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
A

Mesenchyme

40
Q

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
A

Mucous Connective Tissue

Histology 2ndYR 1st Sem Prelims (7 decks)

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