Category: A

The ridges in either jaw containing cavities or sockets for the teeth. The bony process of the maxilla or mandible that contains the alveoli or tooth sockets; the alveolar process without teeth present.  

The air in the alveoli of the lungs. Air in the alveoli; that involved in the pulmonary exchange of gases between air and the blood.  Its content is determined by sampling the last portion of a maximal expiration.  

Brand name for aprobarbital.  

Self-destruction intended to serve a social purpose or cause.  

In sociology, any behavior pattern that benefits individual’s who are not one’s offspring. Acting for the benefit of others regardless of the consequences for oneself.  

A disturbance resulting from repeated flying at high altitudes with insufficient oxygen intake. A condition caused by reduced oxygen in the air above altitudes in 7000 to 8000 feet (3600 metres). Symptoms include headaches, breathlessness, fatigue, nausea and swelling of the face, hands and feet. Syndrome caused by low oxygen concentration at high altitudes associated…

A school private, public, innovative, or fundamental that provides learners with options or alternatives to the regular public school, alternative education. A school that offers nontraditional educational approaches, such as having children work primarily in small, informal groups or in ungraded classes, rather than in the usual classrooms in a tracking system or in independent…

Rival explanations.  

In drug education, techniques of drug abuse prevention that provide persons with attractive, optional nondrug substitutes not only to drugs, but to drug using lifestyles, alternatives.  

A statement of what the statistical hypothesis is designed to measure. The final conclusion if stated in terms of the null hypothesis.