cata-, cat-, cath-, kata-
(Greek: down, downward; under, lower; against; entirely, in accordance with, completely; definitely)
Catadromous fish are freshwater eels of genus Anguilla, whose larvae drift on the open ocean, sometimes for months or years, before traveling thousands of kilometers back to their original streams.
Nurses and physicians have been warned that, although a patient is in a trance of catalepsy, he or she may still be able to hear and to understand their conversations; so, the medical staff's actions and talks about such a patient, in his or her presence, should be the same as if that person were fully conscious.
2. Etymology: from Greek catalepsis; from kata-, "down" + lepsis, "seizure"; a derivative of lambanein, "to seize".
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The first successful heart transplant was the catalyst which started the widespread medical development in the field of cardiology.
2. A substance that increases the rate of a chemical reaction without itself undergoing any change: All enzymes are catalysts and the human body has thousands of enzymes, each of which is specific in causing or accelerating changes in other substances within all living organisms.Enzymes are important catalysts during digestion and many other functions in the body.
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2. The case history of a patient after the onset of a medical or a mental illness, or following an illness: Dr. Smith didn't use the term catamnesis, but used the term medical record, to describe the questions he asked Sam and Sam's answers regarding his health situation, in addition to the physical exams that had taken place.