Tissues: Connective Flashcards

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1
Q

Connective Tissues

A

never exposed to outside environment and don’t have an apical surface

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2
Q

Functions

A

(a) enclosing and seperating structures
(b) connecting tissues
(c) support and movement
(d) storage of energy and minerals
(e) cushioning and insulation
(f) transporting (blood)
(g) protection (physical and immunity)

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3
Q

ALL connective tissues have

A
Specialized cells
Extracellular matrix (protein fibers and ground substance)
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4
Q

Connective cell matrix

A

makes up most of the volume of connective tissue (matrix often determines function)

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5
Q

Collagen

A

most abundant fiber in body

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6
Q

PREFIX

(a) Blast
(b) Cyte
(c) Break down matrix

A

(A) make matrix
(B) maintain matrix
(C) break down matrix

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7
Q

Connective Tissue Classification

A

Proper Connective Tissue
Supporting Connective Tissue
Fluid Connective TIssue

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8
Q

Proper Connective (divided by ground to fiber substance)

A
Loose:
(fewer fibers, more ground)
- adipose, areolar, rticular
Dense:
(more fibers, less ground)
- regular irregular
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9
Q

Supporting Connective

A

supports soft tissues and weight of body
Cartilage:
gel type ground substance with various fibers for shock and absorption/ protection
Bone: calcified for weight support

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10
Q

Fluid Connective

A

Blood:

blood cells in a fluid matrix…fibers are dissolved proteins… drop out of solution when blood clots

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11
Q

Hyaline Cartiladge (supporting)

A

Lacuna- contains cells
Chondrocyte- the cell itself
(looks like oysters) Pg. 80 LAB (nose, ribs chk bone white stuff)

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12
Q

Fibrocartilage (supporting)

A

matrix less firm than hyaline (vertebrae, discs of knee joint, pubic symphesis)
-looks like the galaxy

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13
Q

Elastic cartiladge (supporting)

A

-

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14
Q

Bone cartiladge (supporting)

A

Lacuna- black dota

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15
Q

Dense Regular Tissue (proper)

A

dense with fibers (attaches muscles to bones: ligament tendon and shoulder joint)

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16
Q

Dense Irregular Tissue (proper)

A
irregularly arranged (wavy but disorder) 
-able to withstand tension exerted in all directions 
Ex: fibrous joint capsule
17
Q

Blood TIssue (fluid)

A

RBS & WBC & Platelets in a fluid matrix (plasma)
-plasma is the Extracellular Matrix
-transport of respiratory gases, nutrients, wastes
-55% plasma
-45% formed elements = specialized cells
(erythrocyte, leukocyte, platelets,

18
Q

Adipose Tissue (loose proper)

A

closely packed, fat cells, nucleus pushed to side by fat.

-provides reserve fuel, insulates, and protects organs. (under skin, around kidneys, in breasts)

19
Q

Areolar Tissue (loose proper)

A

wraps and cushions organs (forms mucous membranes)

20
Q

Reticular Tissue (loose proper)

A

made of reticular fibers

-dark staining network forming internal skeleton of spleen

21
Q

Elastic Cartiladge (supporting)

A

dense elastic fibers (oysters and pasta)

-allows recoil of stretching (walls of arteries and ear)

22
Q

Fibroblast

A

CTP; working cells that make and secrete matrix

23
Q

Fibrocytes

A

mature cells; secrete matrix to maintain tissue

24
Q

Macrophages

A

large, cells of immune system that eat pathogens and damaged cells

25
Q

Adipocytes

A

fat cells (store energy in trigylcerides)

26
Q

Mesenchymal cells

A

stem cells that respond to injury or infection that break into Fibroblast, Macrophages, or others

27
Q

Mealnocytes

A

sysnthesize and store the pigment melanin (epidermis)

28
Q

Mast cells

A

release histamine to stimulate inflammation after injury or infection