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HISTOLOGY > LESSON 1 > Flashcards

LESSON 1 Flashcards

1
Q

What is Histology?

A

Is the study of tissues, their functions and arrangement to constitute an organ.

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2
Q

What is Histology also known as?

A

Microscopic anatomy

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3
Q

What is a Tissue?

A

A tissue is a group of cells WITH INTERRELATED FUNCTION, not just GROUP OF CELLS.

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4
Q

Cells in the tissue does not need to be the same what?

A

same type or same morphology.

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5
Q

4 Basic Types of Tissue

A
  1. Epithelial
  2. Connective
  3. Muscle
  4. Nervous
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6
Q

What is the function of the Epithelial Tissue?

A

to provide protection, and functions for absorption, and secretion

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7
Q

Why is there no blood supply in the epithelium?

A

because the cells in the epithelium are tightly packed

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8
Q

What type of tissues are AVASCULAR?

A

Epithelial tissues

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9
Q

What type of tissues are AVASCULAR?

A

Epithelial tissues

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10
Q

What is the function of the Connective tissue?

A

provides blood supply to the epithelium and links it to other tissues

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11
Q

What is the function of the Muscle Tissue

A

provide movement of tissue

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12
Q

What is the function of the Nervous Tissue?

A

provides sensation, control, and information processing

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13
Q

Fibers and Ground substances are referred to as ?

A

EXTRACELLULAR MATRIX

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14
Q

Complete the equation:
Tissue = _____ + ______

A

cells + extracellular matrix

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15
Q

The extra cellular matrix is composed of many kinds of (2)

A

Ground Substance and fibers

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16
Q

What must one do to study tissues?

A

one must prepare thin and translucent histological sections or tissue slices that can be studied with the aid of a microscope

17
Q

9 STEPS IN TISSUE PROCESSING

A
  1. Fixation
  2. Decalcification
  3. Dehydration
  4. Clearing
  5. Infiltration
  6. Embedding
  7. Cutting and Sectioning
  8. Staining
  9. Mounting
18
Q

Why is Fixation needed in Tissue Processing

A

to preserve

19
Q

What does Fixation do? (2)

A
  1. Avoid tissue destruction by digestive enzymes (autolysis) or through bacterial degradation

HISTOLOGY (4 decks)

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