Ch. 3 Advanced Cell And Skin Histology Flashcards Preview

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Flashcards in Ch. 3 Advanced Cell And Skin Histology Deck (26)
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1
Q

Lysosomes

A

Can be thought of as the cell’s garbage disposal system or recycling center. They digest waste material and food within the cell. Self destructive mechanism for the cell. When the cell dies, the Lysosome releases enzymes that help destroy the cell membrane. (Small cup)

2
Q

Vacuoles

A

Are often the largest of the organelles. They are the cell’s storage vats for molecules of waste and excess food supplies. Helps maintain pH and gives shape. (Large bowl)

3
Q

Ribosome

A

Very small organelles that are the protein construction department of the cell.

4
Q

Golgi Apparatus

A

Storage mechanism. Is a processing apparatus for large proteins that prepares them for secretion.

5
Q

Mitochondria

A

Are the cell’s lungs and digestive system converting oxygen to nutrients so they can be used as energy by the cell. Help break down simple sugars, fats, and parts of protein called amino acids.
(Energy producers, converts oxygen/nutrients to energy, converts oxygen to carbon dioxide, controls water)

6
Q

Tyrosinase

A

Enzyme that produces too much color

7
Q

Chemotaxis

A

Movement of an organism in response to a chemical stimulus

8
Q

Mitosis

A

When a cell separates into two identical sets of chromosomes.

9
Q

Ceramides

A

Waxy lipid molecules composed of springosine and fatty acid

10
Q

Integrins

Check answer….

A

Are transmembrane receptors that are the bridges for cell-cell and cell-extra cellular matrix interactions. Protein that holds the plaque to the nasal lamina.

11
Q

Superoxide

A

An unstable (free radical), reactive single oxygen atom

12
Q

Reticulocyte

A

A cell that is part of the blood cell line and forms from the acidophilus normoblast , it is 8um in diameter and contains mitochondria.

13
Q

Granulocyte

A

“Hollow Vessel” white blood cells (neutrophils, eosinophils, and basophils) bearing granules (vacuoles) in their cytoplasm that stain deeply.

14
Q

Mesenchymal

A

Embryonic connective tissue

15
Q

Fibrocyte

A

A cell that is not fully differentiated (it can go forward and backward in life), makes the most abundant protein in the body called collagen and originates from the Mesenchymal tissue; also knows as fibroblast.

16
Q

Neural Crest

A

Early nerve tissue in the embryo; the site of origin for melanocytes and a layer of the ectoderm germ layer.

17
Q

What is the cellular membrane made up of?

A

Is made up of a network of lipids (fatty material) and protein

18
Q

A stem cell is also know as a?

A

Mother Cell

19
Q

Lightening agents are used to block?

A

Tyrosinase and prevent melanin from being formed.

20
Q

There are how many layers in the stratum corneum?

A

15-20

21
Q

Elastin is found in the skin as well as in?

A

The lungs, bladder, and arteries

22
Q

What types of tissue is made to send signals to other organs?

A

Nervous tissue

23
Q

What immune cell is formed in the bone marrow?

A

T-cell

24
Q

The 2 divisions of the autonomic nervous system is?

A

Sympathetic and Parasympathetic

25
Q

The Ruffini Corpuscles are located in the?

A

Fingertips

26
Q

Cell

A

Basic unit of life and all functions go back to this.