Adequate Stimulus
The particular form of energy to which the receptor responds.
Adenosine Triphosphate (ATP)
A high-energy compound; a product of Adenosine with Triphosphoric Acid.
Adenosine Monophosphate (AMP)
A high-energy compound; a product of adenosine with phosphoric acid.
Adenosine Diphosphate (ADP)
A high energy compound; a product of Adenosine with Diphosphoric Acid.
Adenoids
Collection of Lymphoid tissue in the Nasopharynx; the Pharyngeal Tonsils.
Adduction
Movement in which the articulating bone moves along the Frontal/Coronal Plane, toward the Longitudinal Axis of the body.
Addison Disease
A condition resulting from decreased Adrenal Cortex Secretion