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Cells to Systems > Connective tissues > Flashcards

Connective tissues Flashcards

1
Q

What are the 6 different classifications of Connective tissue?

A

Embryonic Blood & lymph Bone Cartilage Connective Tissue Proper haemopoietic tissue

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2
Q

What are the 3 main fibres of CT ?

A

Collage Reticular Elastic

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3
Q

What are the properties of this Fibre?

A

Collagen -strong, flexible, -white, fibrous -eosiniphilic in H & E

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4
Q

What are the properties of this fibre?

A

Reticular - fine network -poorly stained in H&E, black in reticulin

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5
Q

What are the properties of this fibre?

A

Elastic Stretchable, elastic Yellow fibrous tissue eosinophilic in H&E black in verhoeffs stain

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6
Q

Name the 4 tissue types that comprise all the organs of the body in some combination:

A
  1. Connective Tissue 2. Epithelial tissue 3. muscular tissue 4. nervous tissue
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7
Q

What are the functions of connective tissue proper?

A

support protection connections within locomotor system holds tissues together energy storage

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8
Q

What is a “loose” type of connective tissue proper?

A

higher ratio of cells to fibres

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9
Q

What is a “dense” type of connective tissue proper?

A

lower ratio of cells to fibres - regularly arranged -irregularly arranged

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10
Q

Name the 7 cell types of CTP

A
  1. mesenchymal cells 2. fibroblast 3. fibrocyte 4. macrophage 5. adipocyte (fat cell) 6. mast cell 7. plasma cell
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11
Q

Name this cell:

A

Mesenchymal cell:

stellate - star shaped, many cytoplasmic processes

  • oval/round nucleus
  • in embryonic tissue
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12
Q

Name this cell:

A

Fibroblast:

stellate/spindle shaped

basophilic cytoplasm

synthesize and secrete collagen and other extracellular matric components

differentiate into FIBROCYTES

cytoplasm looks purple

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13
Q

Name this cell:

A

Fibrocyte:

  • small flattened elongated cell

“resting” form of fibroblasts - no longer highly active in secretions

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14
Q

Name this cell:

A

Macrophage:

large cell

derived from blood monocyte

phagocytic cell

produces lysosomal proteases

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15
Q

Name this cell:

A

Fat cells (adipocytes):

  • accumulate fat droplets in cytoplasm
  • fat droplets coalesce to form single large fat droplet
  • nucleus displaced to side of cell
  • energy storage, insulation and protection
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16
Q

Name this cell:

A

Mast Cells:

  • scatter, low numbers in most CT
  • cyto filled with granules containing heparin, distamine, serotonin, proteases
  • degranulate when tissue damaged
17
Q

Name this Cell:

A

Plasma Cell:

  • B lymphocyte actively producing antibody
  • abundant basophili cytoplasm

Cells to Systems (10 decks)

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