Examlex
As held by Chief Justice Marshall in Gibbons v. Ogden, commerce among the states means:
Sonogram
An imaging method that uses high-frequency sound waves to produce images of structures within the body, often used in pregnancy.
Ultrasound
A medical imaging technique that uses high-frequency sound waves to create images of structures inside the body.
Embryoscopy
A diagnostic medical procedure that involves the direct visualization of an embryo or early fetus in the uterus using a small camera.
Genetic Code
The set of rules by which information encoded within genetic material (DNA or mRNA sequences) is translated into proteins by living cells.
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