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Biosci 107 > Connective tissue > Flashcards

Connective tissue Flashcards

1
Q

Connective tissue function and components

A

Extracellular matrix and cells

Binds, supports and strengthens tissues, transport system, stores energy

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2
Q

Extracellular matrix functions and components

A

Ground substance and protien fibres

ECM structure determines CT qualities

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3
Q

Ground substance components and function

A

Water, Sugars (Gylcosominoglycans), protiens

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4
Q

Gylcosaminoglycans

A

Repeating sugar units that bond to core protiens forming proteoglycans - trapping water to make ground substance jelly like

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5
Q

Hyaluronic acid

A

Non sulphated GAG binds to PGs to provide lubrication

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6
Q

Chondroitin sulphate

A

Sulphated GAG supprots ahdesive features of bone, skin and blood

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7
Q

Exophthalmos

A

Abnormal periorbital (EYE) ECM and thyroid disease leading to bulging eyes

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8
Q

Collagen fibre

A

Strong and flexible to resist forces - In bones

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9
Q

Reticular fibre

A

Collagen coated in glycoprotiens provide strength and support

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10
Q

Elastic fibres

A

Most flexible and returns to original state state - In skin

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11
Q

Fibroblast

A

Secrete ECM substances

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12
Q

adipocytes

A

stores fat

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13
Q

Mast cells

A

Make histamine that dilate vessels in immune response

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14
Q

Macrophage

A

Phagocytes in lungs and infection sites

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15
Q

Plasma cell

A

Form B cells and antibodies

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16
Q

Leucocytes

A

White blood cells - Eosinphill, neutrophils

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17
Q

Embryonic CT - Mesenchyme function and components

A

Gives rise to all CT - Ground susbtance and reticular fibres

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18
Q

Embryonic CT - Mucous function and components

A

Support umbilical cord - Fibroblasts

19
Q

Mature CT - Loose areolar

A

Contain reticular, elastin, collagen fibres for strength, stability and support

20
Q

Mature CT - Loose Adipose

A

White adipose stores energy and Brown adipose produce heat, energy, thermoregulation

21
Q

Mature CT - Loose reticular and location

A

Mainly reticular fibres for strcuture support - Marrow, liver, kidney

22
Q

Mature CT - Dense irregular

A

Unbundled collagen to resist tearing forces

23
Q

Mature CT - Dense regular

A

Bundled collagen to resist pulling forces in skeletal structuree

24
Q

Mature CT - Dense elastic

A

Mainly elastic and collagen to resist permanent stretch

25
Q

Mature CT - Fibrocartilage

A

Touch, inflexible supporting between spinal disc

26
Q

Mature CT - Elastic

A

Support bending and movement

27
Q

Mature CT - Hyaline cartilage

A

Flexible and movement assistance with not obvious elastin and collagen fibres - end of ribs

28
Q

Neutrophils

A

Phagocytes

29
Q

Basophil

A

release histamine for dilation

30
Q

Eosinphil

A

resist parasites and allergic reaction

31
Q

Platelets

A

Responsible in clotting

32
Q

Lymphocytes

A

Responsible in immune response

33
Q

Mature CT - Blood components

A

Blood plasma and formed elements

34
Q

Supporting CT

A

Bone

35
Q

Supporting CT - Compact bone

A

stores calciuma nd phosphorous for protection and support - Osteons

36
Q

Supporting CT - Spongy bone

A

Stores yellow marrow and make red marrow - No osteons

37
Q

Osteogenic cell

A

Mesenchymal stem cell lays down collagen to form osteoblasts

38
Q

Osteoblast cell

A

Forms bone and lays down collagen and bone to form osteocytes

39
Q

Osteocytes

A

Maintains bone tissue and exchnages nutrients/waste to form osteoclasts

40
Q

Osteoclasts

A

Breaks and reabsorbs/remodels new bone

41
Q

Lamallae - Osteon

A

Ring of mineral salts for hardness -

42
Q

Lacunae - Osteon

A

Gaps between lamallae rings containing osteocytes

43
Q

Canaliculi - Osteon

A

Minute canals for O2, nutrients and waste

44
Q

Central canal - Osteon

A

Blood, lymph nerves

Biosci 107 (13 decks)

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