A&P Lab Quiz 1 Flashcards
Rheostat
Regulates intensity of light
Condenser
Focuses light in narrow beam, passes through specimen and into objective. Helps with contrast
Iris Diaphragm
Controls the diameter of the light beam. Helps improve resolution but decreases contrast
Oculars
Eye pieces- what you look through
Objective lenses
Attached to the revolving nosepiece
10x, 40x, and 100x
Sagittal plane
plane that runs the length of the body and divides it into left and right parts, not necessarily equal
Median plane
Special sagittal plane that runs down the center of the body and divides it into equal left and right halves
Transverse plane
plane across the body that divides it into cranial and caudal parts
Dorsal plane
plane that divides the body into dorsal and ventral parts
Cranial
toward the head or cranium
Caudal
toward the tail
Rostral
toward the tip of the nose
Dorsal
toward the back, or top in a standing animal
Ventral
toward the belly, or bottom in a standing animal
Medial
Toward the median plane, or center of the body
Lateral
away from the median plane
Deep
toward the center of the body or a body part
Superficial
toward the surface of the body or body part
Proximal
toward the body
Distal
away from the body
Oral
toward the mouth
Aboral
away from the mouth
Palmar
the sole of the forefeet
Plantar
the sole of the hind feet
Root word
foundation of the word. It gives substance or meaning to the word
Prefix
a word part that precedes the root and modifies its meaning
Suffix
A word part that follows the root and modifies its meaning
Compound word
A word constructed of two or more roots
Combining form
An incomplete word constructed of a root word, prefix, or suffix with a combining vowel
Caudocranial
from tail to head
Dorsoventral
from back to belly
Plantardorsal
from sole to the dorsum of the hind foot