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Anatomy and physiology-Degree > Tissue and Histology-Connective tissue > Flashcards

Tissue and Histology-Connective tissue Flashcards

1
Q

how common is connective tissue?

A

abundant; found in every organ

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2
Q

what does connective tissue consist of?

A

Consists of cells separated by extracellular

matrix

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3
Q

What are the functions of connective tissue?

A 
Enclose organs as a capsule and separate organs
into layers
 Connect tissues to one another. Tendons and
ligaments.
 Support and movement. Bones.
 Storage. Fat.
 Cushion and insulate. Fat.
 Transport. Blood.
 Protect. Cells of the immune system.
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4
Q

what are the word stems that make up the matrix?

A

◦ Blasts
◦ Cytes
◦ Clasts

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5
Q

what do each word stem describe?

A

◦ Blasts: create the matrix, example osteoblast
◦ Cytes: maintain the matrix, example chondrocyte
◦ Clasts: break the matrix down for remodeling,
example osteoclasts

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6
Q

Cells of connective tissue- Adipose or fat cells

A

Common in some

tissues (dermis of skin); rare in some (cartilage)

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7
Q

Cells of connective tissue-Mast cells

A

Common beneath membranes; along
small blood vessels. Can release heparin, histamine,
and proteolytic enzymes in response to injury.

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8
Q

Cells of connective tissue-White blood cells (leukocytes)

A

Respond to injury or infection

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9
Q

Cells of connective tissue-Macrophages

A

Phagocytize or provide protection

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10
Q

Cells of connective tissue-Platelets

A

Fragments of haematopoietic cells

involved in clotting.

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11
Q

Cells of connective tissue-Undifferentiated mesenchyme (stem cells)

A

Have potential to differentiate into adult cell types.

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12
Q

Cells of connective tissue-Reticular fibers

A

similar to thread

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13
Q

Cells of connective tissue-Elastic fibers

A

similar to a rubber band

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14
Q

Cells of connective tissue-Collagen fibers

A

similar to rope

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15
Q

Adult connective tissues-Connective tissue proper types

A

◦ Loose. Collagenous fibers are loosely arranged

◦ Dense. Fibers form thick bundles that nearly fill all extracellular space

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16
Q

Adult connective tissues- Supporting connective tissue types

A

◦ Cartilage

◦ Bone

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17
Q

Adult connective tissues-Fluid connective tissue type

A

◦ Blood

18
Q

Connective tissue proper- loose connective tissue types

A

. Areolar connective tissue
. Adipose tissue
. Reticular tissue

19
Q

Connective tissue proper- loose connective tissue-Areolar connective tissue, what is it?

A

Loose packing material of most organs and tissues, also known as stroma

20
Q

Connective tissue proper- loose connective tissue-Areolar connective tissue, what is its function?

A

Attaches skin to underlying tissues. Superficial fascia =

subcutaneous layer = hypodermis

21
Q

Connective tissue proper- loose connective tissue-Areolar connective tissue, What does it contain?

A

Contains collagen, reticular, elastic fibers and all five types of cells

22
Q

Connective tissue proper- loose connective tissue-Areolar connective tissue, where is it often seen?

A

Often seen in association with other types of C.T., like reticular tissue and fat

23
Q

Connective tissue proper- loose connective tissue-Areolar connective tissue, what are the 5 types of cells?

A

Cells include fibroblasts, mast cells, lymphocytes, adipose cells, macrophages

24
Q

Connective tissue proper- loose connective tissue-Adipose tissue, what are the predominant cells?

A

Predominant cells are adipocytes

25
Q

Connective tissue proper- loose connective tissue-Adipose tissue, what is yellow Adipose tissue?

A

Yellow (white). Most abundant type, has a
wide distribution. White at birth and
yellows with age.

26
Q

Connective tissue proper- loose connective tissue-Adipose tissue, what is brown Adipose tissue?

A

Brown. Found only in specific areas of

body: axillae, neck and near kidneys

27
Q

Connective tissue proper- loose connective tissue-Reticular tissue, what does it do?

A

Forms superstructure of lymphatic and haemopoietic tissues

28
Q

Connective tissue proper- loose connective tissue-Reticular tissue, what is its structure?

A

Thin collagen fibers coated with glycoprotein that form networks of fibers.

29
Q

Connective tissue proper- loose connective tissue-Reticular tissue, where is it?

A

Spaces between cells contain white cells and dendritic cells

30
Q

Connective tissue proper- Dense regular collagenous connective tissue, what is its function?

A

Has abundant collagen fibers that resist stretching

31
Q

Connective tissue proper- Dense regular collagenous connective tissue, what is its structure?

A

Matrix composed of collagen fibers running in somewhat the same direction

32
Q

Connective tissue proper- Dense regular collagenous connective tissue, where is it located?

A

◦ Tendons: Connect
muscles to bones;
fibers are not necessarily parallel

◦ Ligaments: Connect
bones to bones. Collagen often less
compact, usually flattened, form sheets or
bands

33
Q

Connective tissue proper- Dense regular Elastic connective tissue, what is its structure?

A

Matrix composed of regularly arranged collagen fibers and elastic fibers

34
Q

Connective tissue proper- Dense regular Elastic connective tissue, what is its function?

A

Able to stretch and recoil like a rubber band, with strength in the direction of fiber orientation

35
Q

Connective tissue proper- Dense regular Elastic connective tissue, where is it located?

A

Vocal folds and elastic ligaments between the vertebrae and along the dorsal aspect of the neck

36
Q

Connective tissue proper- Dense irregular collagenous connective tissue, what is its structure?

A

Protein fibers arranged in a randomly oriented

network

37
Q

Connective tissue proper- Dense irregular collagenous connective tissue, what is its function?

A

Tensile strength capable of withstanding stretching in all directions

38
Q

Connective tissue proper- Dense irregular collagenous connective tissue, where is it located?

A

Forms innermost layer of the dermis of the skin,

scars, capsules of kidney and spleen

39
Q

Connective tissue proper- Dense irregular Elastic connective tissue, what is its structure?

A

Bundles and sheets of collagenous and elastic fibers oriented in multiple directions

40
Q

Connective tissue proper- Dense irregular Elastic connective tissue, what is its function?

A

Strong, yet elastic

41
Q

Connective tissue proper- Dense irregular Elastic connective tissue, where is it located?

A

In walls of elastic arteries

Anatomy and physiology-Degree (23 decks)

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