Medical Dictionary
Main Entry:
quan·tal Pronunciation:
'kwänt-&l Function:
adjective 1 : of or relating to a quantum or to quanta (as ofenergy or a neurotransmitter) <
quantal release of acetylcholine at a neuromuscular junction>
2 : being or relating to a sensitivity response marked by the presence orabsence of a definite reaction
quantal>