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APHY101 Wk 1


Anatomy the study of structure, mostly names and terminology
Physiology the function
Gross Anatomy things big enough to see with the naked eye
Microscopic Anatomy things too small to see without a magnifying device
Gross Surface Anatomy what it looks like before you cut
Gross Regional Anatomy ALL parts in a certain area
Gross Systemic Anatomy ALL bones and ALL glands, pretending that there isn't anything else in the same area
Cytology (Microscopic Anatomy) the study of individual cells
Histology (Micrroscopic Anatomy) the study of tissue
Tissues groups of cells with a similar structure and a common general function
Principal of Complementarity of Structure and Function (Form Follows Function) things look the way they do because of the function they must perform
Boundary Maintenance 1. keeps inside separate from outside 2. regulates what moves across the boarder
Digestion taking larger substances and breaking them down into smaller, useful building blocks
Excretion actively removing waste material from inside to outside (think boundaries)
Growth getting bigger AND follows a patter
Metabolis 1. Boundary Maintenance + Digestion +Excretion + Growth 2. Often used when discussing a particular item or category
Movement ACTIVE (not passive) motion with a function or purpose
Reproduction Offspring
Irritability (Responsiveness) responsiveness to an external stimulus but the response has function for the organism
Homeostasis actively maintaining internal conditions within very narrow limits, despite large changes in external conditions
Negative Feedback Loop (almost universal) the action (effect) reduces the stimulus (affect)
Positive Feedback Loop (rare) 1. the action (effect) increases the stimulus (affect) 2. tends to break homeostasis and often requires a control mechanism external to the loop
Diffusion random movement of particles from regions of high concentration to regions of low concentration
Created by: choover29