Definition of septum in English:

septum

Syllabification: sep·tum
Pronunciation: /ˈseptəm
 
/

noun (plural septa /-tə/)

chiefly Anatomy & Biology
  • A partition separating two chambers, such as that between the nostrils or the chambers of the heart.
    More example sentences
    • At this stage also, minor septa and shortened cardinal septum become easily identifiable.
    • The trachea is unbranched, and is formed by the division of the foregut by a longitudinal septum into two tubes - the trachea and the esophagus.
    • The ventricular septum and the atrioventricular and semilunar valves were unremarkable.

Origin

mid 17th century: from Latin septum, from sepire 'enclose', from sepes 'hedge'.

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