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Y1 NMSK > tissue > Flashcards

tissue Flashcards

1
Q

What are the 4 (5) tissue types

A
  • Epithelial tissue
  • Nervous tissue
  • Connective tissue (blood tissue may also belong in this category)
  • Muscle (contractile tissue)
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2
Q

What does nervous tissue consist of

2

A
  • nerve cells/neurons
  • neurological cells
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3
Q

What neurological cells belong in the CNS

4

A
  • astrocytes
  • oligodenrocytes
  • microglial cells
  • ependymal cells
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4
Q

What neuological cells belong to the PNS

2

A
  • satellite cells
  • Schwann cells
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5
Q

What is the function of a neuron

A
  • to receive and faciliate nerve impulses
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6
Q

what are neurological cells

A
  • supporting cells (facilitate conduction of nerve impulse, immune function and maintenance of neurones)
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7
Q

Whate are the 5 different types of connective tissue

A
  1. loose fibrous connective tissue
  2. dense fibrous connective tissue
  3. hyaline cartilage
  4. bone tissue
  5. adipose tissue
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8
Q

what are the key functions of connective tissue

4

A
  1. support
  2. movement
  3. protection
  4. fat (energy) store
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9
Q

What are the histological qualities of LCT

3

A
  • contains fewer fibres (still collagen and elastin)
  • more cells and ground substance
  • less rigid and more easily distorted but can still provide resitance when stretched to create a tough barrier (thx to collagen)
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10
Q

what is the structure of LCT

A

cells found within a network of mostly collagen fibres

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11
Q

what is the function of LCT

4

A
  • loose packing
  • support
  • nourishment to associated structures
  • tissue sliding
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12
Q

What are the characteristics of DCT

4

A
  • highter proportion of fibres compared to LCT
  • fewer cells
  • less ground substance in the extracellular matrix
  • can be divided into regular and irregular CT depending on the alignment of fibres
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13
Q

Where can you typically find DCT

4

A
  • tendons
  • ligaments
  • cornea of the eye
  • arteries
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14
Q

what is the structure of DCT

A

matrix composed of collagen and elastin fibres

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15
Q

what is the function of DCT

A

tensile strength and stretch resistance

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16
Q

What are the 3 types of cartilaginous tissue

A
  • hyaline
  • fibrocratilage
  • elastic cartilage
17
Q

What are the key characterisitcs of cartilaginous tissue

4

A
  • cells are called chondrocytes
  • produce a matrix made up of type 2 collagen, glycoproteins and water
  • does not contain calcium phosphate (therefore flexible)
  • continually broken down and renewed throughout life
18
Q

what is the structure of cartilage

A

varies depending on type

19
Q

what is the function of cartilage

A

provide flexibility with rigidity.

fibrocartilage can withstand a lot of pressure

20
Q

What are the 2 types of bone tissue

A
  • lamellar (compact)
  • trabecular (spongy)
21
Q

what are the characterisitcs of bone tissue

2

A
  • constantly remodelled throughout life
  • hard due to calcium phosphate in the extracellular matrix
22
Q

what is the structure of bone tissue

3

A
  • collagen network (tensile strength)
  • crystalline (compressive strength)
  • bone cells (maintenance of bone)
23
Q

what is the functions of bone tissue

A

to provide strength and support

24
Q

What are the cells that produce/maintain bone tissue

3

A

osteoblasts
osteocytes
osteoclasts

25
Q

what are the cells that produce/maintain muscle

A

myocytes

26
Q

what are the cells that produce/maintain tendons

A

tenocytes (elongated fibrocytes)

fibrocytes produce collagen

27
Q

What does extracellular matrix consist of

3

A
  • collagen and elastin fibres
  • ground substance (contains hyaluronic acid and proteoglycan)
  • water
28
Q

what is the function of the extracellular matrix

2

A

structural support for cells
guides cellular division growth and development

29
Q

What does cellular function does the suffix “blast” indicate

A

creation of matrix

30
Q

what cellular function does the suffix “cyte” indicate

A

maintenance of matrix

31
Q

what cellular function does the suffix “clasts” indicate

A

break down the matrix for remodelling

Y1 NMSK (50 decks)

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