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AP 1 > Connective Tissue > Flashcards

Connective Tissue Flashcards

1
Q

Connective tissue

A

• few scattered cells surrounded by large amounts of extracellular matrix
• Develop from mesoderm
• Cells do not have free surfaces
• Highly vascularized (rich blood supply) + has a nerve supply

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2
Q

2 basic elements

A

Cells
Extracellular matrix

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3
Q

Fibroblasts

A

large, flat cells w/ branching processes. In all connective tissues; most abundant. Makes extracellular matrix

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4
Q

Macrophages

A

phagocytes; monocytes (WBC) —> turns into macrophage in tissue. Gather at sites of infection/inflammation to carry on phagocytosis

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5
Q

Plasma cells

A

develop from B-lymphocytes; mostly in GI +respiratory tracts

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6
Q

Mast cells

A

inflammatory reaction to injury+infection , binds to/ kills bacteria

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7
Q

Adipocytes

A

fat /adipose cells; store triglycerides. Around heart + kidneys

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8
Q

Eosinophils

A

WBC’s ; migrate to parasitic infection + allergic reaction

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9
Q

Neutrophils

A

WBC’s ; migrate to infection ,destroy microbes in phagocytosis

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10
Q

Leukocytes (WBC’s)

A

From blood —> tissue —> sites of parasitic invasions + allergic responses.

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11
Q

Ground substance

A

connective tissue between cells + fibres;
- Composed of: water + hyaluronic acid + chondroitin sulfate + glucosamine

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12
Q

Extracellular matrix

A

— in spaces between connective tissue cells
— composed of; fibres + ground substance

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13
Q

Fibres

A

provide strength + support to tissue

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14
Q

Collagen fibres

A

collagen ; most abundant protein in our body ; largest

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15
Q

Elastic fibres

A

elastin + fibrillin ; smaller

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16
Q

Reticular fibres

A

collagen + glycoprotein ; smallest

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17
Q

Embryonic Connective Tissue

A
  • Mesenchyme
  • Mucous
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18
Q

Mature Connective Tissue

A
  • Strong in 1 plane not twist or turn
  • Loose ( areolar, adipose, reticular )
  • Dense ( regular, irregular, elastic )
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19
Q

Supporting connective tissue

A
  • Cartilage ( hyaline, fibrocartilage, elastic )
  • Bone ( compact, spongy )
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20
Q

Liquid connective tissue

A
  • Blood
  • Lymph
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21
Q

EMBRYONIC MESENCHYME function

A

• Forms connective tissue

22
Q

EMBRYONIC MESENCHYME location

A

• under skin
• bones of embryo
• blood vessels

23
Q

EMBRYONIC MUCOUS (mucoid) function

A

• Support

24
Q

EMBRYONIC MUCOUS (mucoid) location

A

• Umbilical cord of fetus

25
Q

LOOSE AREOLAR function

A

• Strength • elasticity • support

26
Q

LOOSE AREOLAR location

A

• subcutaneous layer;
• blood vessels
• nerves
• organs

27
Q

LOOSE ADIPOSE function

A

• Reduces heat loss
• energy reserve
• supports organs

28
Q

LOOSE ADIPOSE location

A

• areolar tissue
• subcutaneous layer
• heart
• kidneys
• Yellow bone marrow
• Joints
• eyeball

29
Q

LOOSE RETICULAR function

A

• Stroma of organs
• binds smooth mm
• Filters blood cells
• Filters microbes

30
Q

LOOSE RETICULAR location

A

• Stroma of liver
• spleen
• lymph nodes
• Red bone marrow
• reticular lamina
• blood vessels
• muscles

31
Q

DENSE REGULAR function

A

• strong attachment
between structures.
• Tissue withstands pulling along fibers axis

32
Q

DENSE REGULAR location

A

• tendons
• ligaments
• aponeuroses

33
Q

DENSE IRREGULAR function

A

• Provides tensile (pulling) strength in many directions

34
Q

DENSE IRREGULAR location

A

• fasciae
• dermis
• pericardium, periosteum, perichondrium
• Joint/membrane
• kidneys/liver/testes/ lymph nodes/heart

35
Q

DENSE ELASTIC function

A

• Stretches organs • recoil

36
Q

DENSE ELASTIC location

A

• Lung tissue
• arteries
• trachea/bronchial
tubes/vocal cords
• penis/vertebrae ligaments

37
Q

CARTILAGE HYALINE

A

Weakest cartilage

38
Q

CARTILAGE HYALINE function

A

• joint movement
• flexibility
• support

39
Q

CARTILAGE HYALINE location

A

• Long bones
• ribs/nose/larynx/
trachea/bronchi/
bronchial tubes
• embryonic bone

40
Q

CARTILAGE FIBROCARTILAGE

A

Strongest cartilage

41
Q

CARTILAGE FIBROCARTILAGE function

A

• Support + Strength
+ Rigidity
• joins structures together

42
Q

CARTILAGE FIBROCARTILAGE location

A

• Pubic symphysis
• intervertebral discs
• menisci of knee,
• tendons in cartilage

43
Q

CARTILAGE ELASTIC function

A

• Strength + Elasticity
• maintains shape of structures

44
Q

CARTILAGE ELASTIC location

A

• epiglottis
• auricle/eustachian tubes (ear)

45
Q

BONE COMPACT function

A

• Support + protection+
storage;
• houses blood-forming tissue
• act with muscle for movement

46
Q

BONE COMPACT location

A

• bones

47
Q

BONE SPONGY function

A

• Support + protection+
storage;
• houses blood-forming tissue
• act with muscle for movement

48
Q

BONE SPONGY location

A

• bones

49
Q

LIQUID BLOOD function

A

• RBCs: transport O2 + CO2

50
Q

LIQUID BLOOD location

A

• blood vessels
• heart chambers

51
Q

LIQUID LYMPH function

A

• RBCs: transport O2 + CO2

52
Q

LIQUID LYMPH location

A

• blood vessels
• heart chambers

AP 1 (24 decks)

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