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Histology Lab > Lab 3: CT Reading > Flashcards

Lab 3: CT Reading Flashcards

1
Q

Functions of connective tissue

A

Support, defense, transport, storage, and repair

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2
Q

Connective tissues are mainly composed of:

A
  • Extracellular elements

- A limited number of cells

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3
Q

Types of embryonic connective tissues

A
  • Mesenchymal

- Mucous

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4
Q

Types of adult connective tissues

A

Connective tissue proper

  • Loose (areolar)
  • Reticular
  • Adipose
  • Dense Irregular
  • Dense Regular (Collagenous & Elastic)
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5
Q

Types of specialized connective tissues

A
  • Supporting tissues (Cartilage & Bone)

- Blood

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6
Q

The extracellular matrix can be subdivided into:

A
  • Fibers
  • Amorphous ground substance
  • Extracellular fluid
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7
Q

Three types of fibers

A
  • Collagen
  • Reticular
  • Elastic
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8
Q

Collagen fibers

A
  • Most abundant

- Inelastic

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9
Q

Elastic fibers

A

-Highly elastic

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10
Q

Reticular fibers

A
  • Thin, branching, carbohydrate-coated fibers composed of type III collagen
  • Form delicate networks around smooth muscle cells, certain epithelial cells, adipocytes, nerve fibers, and blood vessels
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11
Q

Amorphous ground substance

A

Constitutes the gel-like matrix in which the fibers and cells are embedded and through which extracellular fluid diffuses

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12
Q

Amorphous ground substance is composed of:

A
  • Glycosaminoglycans (GAGs)
  • Proteoglycans
  • Glycoproteins
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13
Q

Extracellular fluid

A
  • Fluid component of blood, similar to plasma
  • Percolates throughout the ground substance
  • Carries nutrients, oxygen, signaling molecules, and other blood-borne materials to and carbon dioxide and waste products from cells
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14
Q

Connective tissues cells (7)

A
  • Fibroblasts
  • Macrophages (histiocytes)
  • Plasma cells
  • Mast cells
  • Pericytes
  • Fat cells (adipocytes)
  • Leukocytes
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15
Q

Mesenchymal and mucous connective tissues

A

Limited to the embryo

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16
Q

Loose (areolar) connective tissue

A

Distributed widely

17
Q

Reticular connective tissue

A

Forms a network of thin reticular fibers that constitute the structural framework of bone marrow and many lymphoid structures

18
Q

Adipose tissue

A

Composed of fat cells, reticular fibers, and a rich vascular supply.

There are two types of adipose tissue:

  • white (unilocular)
  • brown (multilocular)
19
Q

Dense irregular connective tissue

A

Coarse, almost haphazardly arranged bundles of collagen fibers interlaced with few elastic and reticular fibers

20
Q

Dense regular connective tissue

A

Composed either of:

  • Thick, parallel arrays of collagenous fibers, as in tendons and ligaments
  • Parallel bundles of elastic fibers, as in the ligamentum nuchae, the ligamentum flava, and the suspensory ligament of the penis

Histology Lab (18 decks)

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