Examlex
A nonequivalent group's posttest-only design is also called a
Intestinal Tract
A major part of the digestive system, consisting of a series of hollow organs joined in a long, twisting tube from the stomach to the anus.
X-Ray Studies
Medical imaging tests that use X-rays to view the internal structures of the body, helping in diagnosis and treatment planning.
Radiopaque
Impenetrable to the X-ray or other forms of radiation.
Impenetrable
Impossible to pass through or enter, often used to describe dense materials or abstract concepts like complex theories.
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