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GE 258 CH 1

The study of structure Anatomy
The study of function Physiology
Defined as the ability of an organism to maintain internal conditions favorable to life despite chage in external environment Homeostasis
Control of Homeostasis 1. Receptors (baro, chemo, mechano) 2. Interpretations/Control Center 3. Effectors (muscles, glands)
Most homeostatic control is this type of feedback Negative Feedback
Feedback that generally works to oppose an original stimulus Negative Feedback
This type of feedback control and prevents sudden changes in the body that may be severe Negative Feedback
This type of feedback works to accelerate an original stimulus frequently causing cascade Positive Feedback
This type of feedback moves in the same direction Positive Feedback
above Superior
below Inferior
front/belly side Ventra
back (like the dorsal fin of a dolphin) Dorsal
toward the center Medial
away from the center Lateral
closer to the origin or attachment Proximal
farther from the origin or attachment Distal
away from the body surface Deep
toward the body surface Superficial
Runs longitudinally cutting the body into right and left halves Sagittal Plane
Runs longitudinally, but the body or organs are divided into anterior and posterior Frontal Plane (coronal)
Runs horizontally across and at a right angle to the long axis of the body or organ and divides it into superior and inferior parts Transverse Plane
Lines the walls of the body cavity Parietal serosa
Covers the organs of the cavity Visceral serosa
Created by: evang