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Anatomic Definitions
Wellesley College EMT-B Course
45
Medical
Not Applicable
01/08/2011

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Term
abduction
Definition
movement of a body part away from the midline
Term
adduction
Definition
movement of a body part toward the midline
Term
anatomic position
Definition
the universal position of the human body from which all body positions are described. In this position, the subject stands facing the observer, with the arms at the side and palms facing forward.
Term
anatomy
Definition
the study of the structure and parts of an organism
Term
anterior
Definition
toward the front of the body
Term
caudad
Definition
toward the feet
Term
cephalad
Definition
situated toward the head
Term
cranial
Definition
related to or toward the skull
Term
distal
Definition
located away from the trunk of the body and toward the free end of an extremity
Term
dorsal
Definition
located posteriorly on the body relative to the coronal plane
Term
extension
Definition
return of a joint from a flexed position to an anatomic position
Term
external rotation
Definition
rotating an extremity at its joint away from the midline
Term
flexion
Definition
moving an extremity at its joint closer to the trunk
Term
fowler's position
Definition
seated position with the upper torso straight up or erect
Term
frontal plane
Definition
the plane parallel to the anterior surface of the body
Term
gross anatomy
Definition
the study of body parts that are visible to the naked eye, such as bones, muscles and organs
Term
homeostasis
Definition
the maintenance of a stable internal physiologic environment
Term
hyperextension
Definition
flexion of a body part to maximum level or past the position of normal extension
Term
inferior
Definition
toward the feet or one structure that is situated lower than another
Term
internal rotation
Definition
rotating an extremity medially toward the midline
Term
lateral
Definition
farther from the medial plane; lying or extended away from the midline of the body part
Term
medial
Definition
closer to the median plane
Term
median plane
Definition
an imaginary longitudinal line that divides the human body into left and right parts; also called the mid-saggittal plane or the midline
Term
microscopic anatomy
Definition
the study of tissue structure and/or cellular structure or organization, often visible only through a microscope
Term
midaxillary line
Definition
an imaginary line drown through the mid-portion of the axilla to the waist that is parallel to the midline
Term
midclavicular line
Definition
an imaginary line drawn through the midpoint of the clavicle that is parallel to the midline
Term
pathophysiology
Definition
the study of body functions of a living organism in an abnormal state
Term
physiology
Definition
the study of the body functions of the living organism
Term
planes
Definition
imaginary surfaces used as references to identify parts of the body
Term
posterior
Definition
situated toward the back of the body
Term
prone
Definition
lying face down
Term
pronation
Definition
when the palms face downward
Term
proximal
Definition
located nearer to or toward the trunk of the body
Term
range of motion (ROM)
Definition
the arc of movement of an extremity at a joint in a particular direction
Term
recovery position
Definition
placing a patient on the side to allow the easy drainage of fluids from the mouth; also called the lateral recumbent position
Term
recumbent
Definition
the patient is positioned lying down on their side
Term
regional anatomy
Definition
study of anatomy associated with a particular body region; also called topographic anatomy
Term
sagittal plane
Definition
a vertical plane that is parallel to the midline and divides the body into unequal left and right parts
Term
superior
Definition
situated toward the head or one structure that is situated higher than another
Term
supination
Definition
when the palms face upward
Term
systemic anatomy
Definition
study of anatomy associated with a particular organ system
Term
topographic anatomy
Definition
study of anatomy associated with a particular body region; also called regional anatomy
Term
transverse plane
Definition
a cross-horizontal sectioning that divides the body into the upper and lower parts
Term
trendelenburg's position
Definition
placing a patient supine with the legs elevated approximately 12" and head down
Term
ventral
Definition
pertaining to the front of a part, organ, or structure
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