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Principles Histology and Embryology > Anatomy of the cell > Flashcards

Anatomy of the cell Flashcards

1
Q

What is the function of the plasmalemma (cell membrane?

A

separates cytoplasm from outside environment creating a barrier

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2
Q

What is the function of mitochondria?

A

site of aerobic respiration?

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3
Q

What are the point of cristae of the mitochondria?

A

increase surface area

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4
Q

What is the function of the RER?

A

covered in ribosomes so have a role in protein synthesis

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5
Q

what is the function of the SER?

A

synthesis of lipids

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6
Q

what is the function of the golgi apparatus?

A

process and package proteins

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7
Q

What are the 3 components of the cytoskeleton?

A

microfilaments, intermediate filaments, microtubules

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8
Q

What type of intracellular junction prevents diffusion?

A

occluding junctions

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9
Q

What do communicating junctions do?

A

allow selective diffusion between adjacent cells

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10
Q

Describe how you would prepare specimens for light/electron microscopy

A
  1. tissue gets fixed then finely sliced
  2. impregnate tissue with support material
    e. g.wax
  3. thin slices cut on microtone and put on slides
  4. wax washed out and tissue rehydrated
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11
Q

name the 4 basic tissue types?

A

epithelium
connective
Nervous
muscles

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12
Q

where do you tend to find epithelium?

A

covering surfaces, lining organs

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13
Q

what do granular epithelia do?

A

produce secretory products

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14
Q

Give examples of soft connective tissue?

A

tendons
ligaments
dermis

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15
Q

Give examples of hard connective tissue?

A

cartilage

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16
Q

Name the 3 different types of muscles you get?

A

skeletal
cardiac
smooth

17
Q

What type of tissue is bone?

A

connective tissue

18
Q

What does mucosa consist of?

A
  1. epithelium
  2. lamina propria (loose connective tissue)
  3. muscularis (thin smooth muscle)
19
Q

What is submucosa?

A

loose connective tissue

20
Q

What is the muscularis extrema consist of?

A

2 thick layers of smooth muscle

21
Q

What is the serosa/adevntitia?

A

outer layer of connective tissue

22
Q

What lines the alveoli?

A

squamous epithelium

23
Q

What is another name for simple squamous epithelium?

A

endothelium

24
Q

what are capillaries mainly composed of?

A

endothelial cells and basal lamina

Principles Histology and Embryology (2 decks)

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