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Anatomy and Physiology Lab > Histology Pt 1 > Flashcards

Histology Pt 1 Flashcards

0
Q

The study of cells

A

Cytology

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1
Q

The study of tissues

A

Histology

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2
Q

A group of associated cells and their intercellular substance working together to perform a specific function or functions.

A

Tissue

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3
Q

What are the four tissue categories?

A
  1. Epilethium
  2. Muscle
  3. Nervous
  4. Connective Tissue
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4
Q

What tissue has small cells closely packed together, can be apical or luminal surfaced, is avascular, and has a basement membrane?

A

Epilethium

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5
Q

What are the four types of epilethium tissue?

A
  1. Simple squamous epilethium
  2. Simple cuboidal epilethium
  3. Simple columnar epilethium
  4. Stratified squamous epilethium
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6
Q

Single layer of cells

A

Simple

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7
Q

More than 1 layer of cells

A

Stratified

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8
Q

Very thin, scale-like

A

Squamous

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9
Q

Cube-like

A

Cuboidal

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10
Q

Longer than wide

A

Columnar

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11
Q

What tissue’s function is absorption, and is located in the alveoli or lungs, kidney, glomerulus, and the walls of capillaries?

A

Simple squamous epilethium

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12
Q

What tissue has a function of lining cavities, ducts, and tubules, and is located in the ducts, tubules, and kidney tubules?

A

Simple cuboidal epilethium

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13
Q

What tissue produces mucus, has a special feature of a Goblet cell, and is located in the respiratory tract?

A

Simple columnar epilethium

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14
Q

What tissue’s function is protection, has special features of stratum corners, stratum basale, and keratin, and is located in the skin and vagina?

A

Stratified squamous epilethium

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15
Q

Describe a cell that would tell you where you would find a simple squamous epilethium tissue, and list the cell’s components.

A

Cheek cell; flat; cell membrane, nucleus, cytoplasm

16
Q

Describe a cell that would tell you where you would find a simple cuboidal epilethium tissue.

A

Thyroid; cell nuclei often oval shaped

17
Q

List a columnar epilethium tissue’s cell’s components and describe the cell nuclei shape.

A

Cell nuclei are often oval and arranged in rows; Goblet cells

18
Q

List the stratified epilethium tissues.

A

Stratum corneum
Stratum basale
1. Melanocytes - produce melanin
2. Merkel’s Discs - sensory structures
3. Keratinocytes - make up most of the cells of the skin
4. Langerhan’s cells - immune cells of the skin
Layers of epilethium in between

19
Q

What are the characteristics of muscle tissue?

A

Elongate, tube-shaped cells (fibers), specialized for contraction, excitable: can propagate and electrical charge, and when contract produce movement

20
Q

What are the examples of muscle tissue?

A

Skeletal, cardiac, and smooth

21
Q

What muscle tissue is peripherally multinucleate, has distinct striations, and provides voluntary movement?
(Hint: it is located in the arms and legs.)

A

Skeletal

22
Q

What muscle has intercalated discs, is short-branched, has 1-2 nuclei, and has striations (less distinct)?
(Hint: it is located in the heart.)

A

Cardiac

23
Q

What muscle is large, has a central, football-shaped nucleus, and has no striations?
(Hint: it is located in the stomach, intestines, and uterus.)

A

Smooth

24
Q

What are the characteristics of nervous tissue?

A

Highly specialized tissue, responsible for generating impulses, extremely long processes, and has two main cell categories

25
Q

What are the two main cell categories of nervous tissue? Describe them.

A
  1. Neurons: functional cells of the nervous system
    i. Soma
    ii. Processes = extensions (axons and dendrites)
  2. Neurologia: protects and supports neurons
26
Q

What is the function of nervous tissue?

A

Produces impulses and electrical signals for communication in the body

27
Q

Where is the nervous tissue located?

A

Brain and spinal cord, also peripheral nerves

28
Q

What are the cell components of nervous tissue?

A

Neurons, neuroglial cells, soma of a neuron, nucleus of a neuron, and processes (axons and dendrites)

Anatomy and Physiology Lab (8 decks)

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