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Histo LAB > CT 2 > Flashcards

CT 2 Flashcards

1
Q

Provides nutrients and blood supply to the epithelium
Binds epithelium to other tissues
Protects underlying tissues
Immunologic functions

A

Connective Tissue

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2
Q

The major constituent of the connective tissue is the

A

extracellular matrix (fiber and ground substances)

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3
Q

Background material where the cells and fibers of connective tissue are embedded

A

Ground Substance

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4
Q

Molecules that stabilize the extracellular matrix by binding to receptors on the surface of cells and other matrix compositions

A

Ground Substance

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5
Q

Fills space between cells and fibers and links them

A

Ground Substance

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6
Q

Provide venue for exchange of substances
Store water
Barrier to infection

A

Ground Substance

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7
Q

Most abundant cell of the connective tissue

A

Fibroblasts

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8
Q

Synthesizes fibers and ground substance of the connective tissue

A

Fibroblasts

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9
Q

Fibroblasts must be abundant in…______ and _____

A

rough ER and Golgi apparatus

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10
Q

Fibroblasts must have more______because of the active DNA transcription

A

euchromatin

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11
Q

Migrates through the connective tissue, secreting the fibers and components of the ground substance

A

Fibroblasts

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12
Q

Fibroblasts or Fibrocyte

Active

A

Fibroblasts

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13
Q

Fibroblasts or Fibrocyte

Quiescent

A

Finrocyte

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14
Q

60% (50-70) of the white blood cells;
Most abundant white blood cells
3-5 nuclear lobes

A

Neutrophils

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15
Q

Neutrophils also known as

A

segmenters or polymorphonuclears

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16
Q

Most abundant white blood cell
First cells to reach the site of infection
Phagocytosis of bacteria
Neutrophilia = >70% count means bacterial infection

A

Neutrophils

17
Q

Also known as_______ or______
Most abundant white blood cell
First cells to reach the site of infection

A

segmenters or polymorphonuclears

Neutrophils

18
Q

Phagocytosis of bacteria

A

Neutrophils

19
Q

= >70% count means bacterial infection

A

Neutrophilia

20
Q

Neutrophil’s undergo apoptosis after

A

1-2 days

21
Q

Neutrophils are replaced by

A

Monocytes

22
Q

________ or ________ phagocytose extracellular microorganisms and present a part of these organisms to T cells (T helper)

T helper cells, in turn, stimulate B cells to become plasma cells and to produce antibodies

A

Macrophage or monocytes

23
Q

Synthesizes antibodies
Antibodies are proteins

A

Plasma cells

24
Q

have high amount of euchromatin, well developed rough ER and Golgi apparatus

A

plasma cells

25
Q

Large, oval and round cells

Leaves the bone marrow immature and matures in the tissue

A

Mast cells

26
Q

Basophilic Secretory Granules which contain HISTAMINE

A

Mast cells

27
Q

Bilobed nucleus with orange-red colored granules
Has affinity to acid dyes

A

Eosinophils

28
Q

Major basic protein
Toxic to parasites
antiparasitic

A

Eosinophils

29
Q

Antibody-dependent cell cytotoxicity
_________only degranulate if there is presence of antibody on the surface of the parasite

A

Eosinophils

30
Q

Found in organs that are subjected to bending and stretching
Skin, lungs, aorta and its branches and pulmonary artery

A

Elastic fibers

31
Q

Functions to provide rigidity and strength

Most abundant protein in humans - 30% dry weight

Synthesized by the fibroblast of the connective tissue

A

Collagen fibers

32
Q

is characterized morphologically by a prominent ground substance matrix containing a loose aggregate of reticular fibers and unspecialized mesenchymal stem cells

cells are usually irregular in shape.

A

Mesenchyme

Mesenchymal

33
Q

The loose fluid nature of_______ allows its cells to migrate easily and play a crucial role in the origin and development of morphological structures during the embryonic and fetal stages

A

mesenchyme

34
Q

directly gives rise to most of the body’s connective tissues, from bones and cartilage and muscles

A

Mesenchyme

35
Q

Contains large amount of ground substances with sparse amount of collagen fibers and fibroblasts
Functions to provide support
Wharton’s jelly of the umbilical cord

A

Mucous Connective Tissue

Histo LAB (13 decks)

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