Chapter two Flashcards
Anatomic Reference System
describe the locations of the structural units of the body
= body plane
= body direction
= body cavity
= structural unit
Anatomy
study of the structures of the body
Physiology
study of the functions of the structure of the body
physi
nature or physical
Anatomic Position
standing up straight so that the body is erect and face forward
holding arms at the sides with hands turned so that the palms face the front
Body Planes
imaginary vertical and horizontal lines used to divide the body into sections for descriptive purposes
Vertical Plane
up-and-down plane that is at a RIGHT ANGLE to the horizon
sagittal
midsagittal
frontal
Sagittal plane
the vertical plane that divides the body into unequal left and right portions
Misaggital Plane
or midline
divide teh body into equal left and right portions
Frontal Plane
vertical plane that divides the body into anterior and posterior portions
or coronal plane
right angle to the sagittal plane
Horizontal Plane
flat, crosswise plane (horizon)
Transverse Plane
the horizontal plane that divides the body into superior and inferior portions at any level across the body
Body Direction Terms
describe the relative locations of sections of the body or of an organ
Ventral
front or belly side, of the organ or body
ventr
al
belly side of the body
pertaining to
Dorsal
refers to the back of the organ or body
Dors
al
back of the body
pertaining to
Anterior
situated in the front
front or forward part of the organ
(in reference to ventral)
anter
ior
front or before
pertaining to
Posterior
situated in the back or back part of an organ
poster
ior
back or toward the back
pertaining to
(in reference to posterior)
Superior
uppermost, above, or toward the head
Inferior
lowermost, below, or toward the feet
Cephalic
toward the head