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Anatomy and Physiology of Domestic Animals

Veterinary Science 135
CELLS

The cell is the basic unit of life. All living things are made up of cells. An animal's body is composed of thousands of different types of cells each with its own place and function.

I. General terminology

II. Cell Size

A. Limiting factors

B. Result of reaching maximal size

III. Cell Anatomy

A. Cell Membrane
1. Receptor sites

2. Flagella

3. Cilia

B. Cytoplasm

1. Cytosol

2. Cytoskeleton

3. Organelles

a. Mitochondria

b. Endoplasmic reticulum

c. Ribosomes

d. Golgi apparatus

e. Lysosomes

4. Inclusions

C. Nucleus

1. Nuclear envelope

2. Nucleoplasm

3. Chromatin

a. Genes

b. Chromosomes

4. Nucleoli

IV. Cell Physiology -- The functions that any cell performs are some combination of the basic physiological properties of cells.

 

A. Absorption

B. Secretion (Excretion)

C. Metabolism

1. Catabolism

2. Anabolism

D. Growth

E. Reproduction

1. Mitosis

2. Meiosis

F. Excitability

G. Conduction

H. Contraction

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