Test 1 terms Flashcards Preview

A&P 1 > Test 1 terms > Flashcards

Flashcards in Test 1 terms Deck (14):
1

anatomy

the study of internal and external structures of the body and the physical relationships among body parts

2

physiology

the study of how living organisms perform their vital functions

3

organ systems

groups of organs that function together in a coordinated manner

4

histology

the examination of tissues

5

homeostasis

refers to the existence of a stable internal environment

6

receptor

a sensor that is sensitive to a particular stimulus or environmental change

7

effector

a cell or organ that responds to the commands of the control center and whose activity either opposes or enhanses the stimulus

8

negative feedback

the response of the effector negates the stimulus and a normal range is achieved

9

positive feedback

the response of the effector increases change of the stimulus and the body is moved away from homeostasis

10

tissues

collections of specialized cells and cell products that perform a limited number of functions

11

blasts

immature cell, building cells

12

clasts

lysis, breakdown cells

13

cytes

mature cells

14

avascular

lack blood vessels