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Flashcards in First lecture Deck (28):
1

Two branches of science?

Anatomy and Physiology

2

Anatomy is?

The study of structure and the relationships among structures. Lock and Key

3

Physiology deals with?

The functions of the body parts: that is, how they work. How the key makes the tumblers unlock.

4

Physiology is _________. Anatomy is _________.

Medicine; Surgery

5

What are the levels of organization?

1) Chemical Level
2) Cellular Level
3) Tissue Level
4) Organ Level
5) Organismic Level

6

What is the Chemical Level

The level of organization with the smallest components. Includes all atoms and molecules in the body.

7

Describe the Cellular level

Molecules combine to form the Cellular Level. Cells are the basic structural and functional unit of an organism.

8

What are the structural and functional components of cells

Organelles

9

Tissue level: how is tissue made

Tissues are groups of cell that usually arise from a common ancestor and work together to preform a particular function.

10

What are the basic types of tissues in the body?

Epithelial, Connective, Muscle, Nervous

11

What is the function of Epithelial tissue

Cover body surfaces, Lines hollow organs, body cavities and ducts.

12

Connective tissue does what

Protects and supports the body and its organs. Binds organs together, stores energy reserves as fat and provides immunity.

13

What are muscle tissue responsible for

Movement and generation of force

14

Nervous tissue functions include

Initiates and transcripts action potential that help coordinate body activities

15

Organ level is made up of

Different kinds of tissues that combine to make different organs that are through out the body

16

Organs are

Structures that are composed of two or more different types if tissue, have specific functions and usually have recognizable shapes.

17

What level is the larges level

Organismic level

18

Describe the Organismic level

All the parts of the body functioning with one another comprise the total organism - one living individual/ animal.

19

What are the important life processes

1) Metabolism
2) Responsiveness
3) Movement
4) Growth
5) Differentiation

20

What is Metabolism

The sum of all the chemical processes that occur in the body.

21

Phases of Metabolism

I) Catabolism
II) Anabolism

22

What is catabolism

Involves breaking down large, complex molecules into smaller, simpler ones.

23

Describe anabolism

The use of energy from catabolism to build the structural and functional components of the body

24

What is responsiveness

The ability to detect and respond to changes in the external or environment. Different cells detect different sorts of changes and respond in characteristic ways.

25

Movement is

Motion of the whole body, individual organs, single cell or even organelles inside cells

26

Define growth

increase in size that results from an increase in the number or size of cells.

27

What is the change cells undergo to develop form unspecialized to a specialized state

Differentiation

28

What is the difference between specialized and unspecialized cells

Specilized cells have structural and functional characteristics that differ from their undifferentiated ancestor cells.