Medical Definition of Second sound

1. The second sound heard on auscultation of the heart; signifies the beginning of diastole and is due to closure of the semilunar valves. Synonym: second sound. (05 Mar 2000)

Lexicographical Neighbors of Second Sound

second molar
second moment
second mortgage
second nature
second parallel pelvic plane
second period
second person
second power
second reading
Second Reich
second sacker
second set rejection
second sight
second sight
second signaling system
second sound (current term)
second stage of labour
second stomach
second temporal convolution
second thought
second tibial muscle
second tooth
second trimester
second wind
Second World War
secosteroid
Secotiaceae
Secotiales
secpar
secpars

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