Category: A

One twelfth of the mass of a neutral carbon atom; equal to 1.657 X 10¯²⁴ g. A unit of mass that is equivalent to one-sixteenth of the mass of oxygen.    

A number equal to the sum of all the neutrons and the protons in an atom’s nucleus.  

A malformed fetus with one body and two heads.  

Conjoined twins with one body and two heads.  

To the atlas (first cervical vertebra) and the axis (second cervical vertebra).  

Absence of thyroid hormone in the blood.  

The physical and mental conditioning program used by athletes to increase their proficiency in sports.  

A person who has completed educational and clinical experiences and is capable of working with athletes and others involved in strenuous physical activity and their environment to help prevent injuries, advise them concerning appropriate equipment, clinically diagnose injuries, administer emergency treatment, determine if specialized medical care is required, and rehabilitate those with injuries. Athletic trainers…

Necrosis or degeneration accompanying arteriosclerosis.  

Generalized atheromatous disease of the arteries.