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Medicine Year 1 > Histology > Flashcards

Histology Flashcards

1
Q

What is the function of oligodendrocytes?

A

produce myelin in the brain and spinal cord.

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2
Q

What is the function of microglia?

A

provide immune surveillance

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3
Q

What is the function of astrocytes?

A

provide support and ion transport

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4
Q

What is the function of Schwann Cells?

A

produce myelin and support axons

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5
Q

What is the function of the mitochondria?

A

energy production

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6
Q

What is the function of the Golgi Apparatus?

A

modification and packaging of secretions

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7
Q

What is the function of the Smooth Endoplasmic Reticulum?

A

cholesterol and lipid synthesis/ detoxification

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8
Q

What is the function of the Rough Endoplasmic Reticulum?

A

protein synthesis

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9
Q

What is the function of the Nucleus?

A

contains genetic code.

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10
Q

What is the function of the Nucelolus?

A

makes ribosomal subunits from proteins. i.e. rRNA

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11
Q

What is the function of the Plasmalemma?

A

it is a bimolecular layer of amphipathic phospholipid molecules which separates the cytoplasm from the outside world

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12
Q

What is the function of occluding junctions?

A

they link cells to form a diffusion barrier.

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13
Q

What is the function of anchoring junctions?

A

they provide mechanical strength.

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14
Q

What is the function of communicating junctions?

A

they allow movement of molecules between cells. (often termed GAP JUNCTIONS!)

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15
Q

What are the basic tissue types?

A
  1. Epithelium. 2. Connective Tissue 3. Muscle 4. Nervous Tissue
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16
Q

What is H+E stain and what are the functions of the composing dyes?

A

H+E is a stain used for examining cells. It is composed of: - Haematoxylin: a basic dye that has an affinity for acidic molecules. (PURPLE) - Eoisin: an acidic dye which has an affinity for basic molecules. (PINK)

17
Q

What type of cell is this?

A

Skeletal muscle

18
Q

What type of cell is this?

A

Cardiac muscle

19
Q

What type of cell is this?

A

Smooth Muscle

20
Q

What pathology is depicted in this slide?

A

Coeliac Disease

21
Q

What pathology is depicted in this slide?

A

Bacterial Gastritis

22
Q

What pathology is depicted in this slide?

A

Crohn’s Disease

23
Q

What pathology is depicted in this slide?

A

Reflux Oesophagitis

24
Q

What pathology is depicted in this slide?

A

Squamous Cell Carcinoma

25
Q

What pathology is depicted in this slide?

A

Adenocarcinoma

26
Q

What pathology is depicted in this slide?

A

Barrett’s Oesophagus

Medicine Year 1 (8 decks)

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