septum
/ˈsɛptəm
/noun (plural septa /ˈsɛptə/) chiefly Anatomy & Biology
A partition separating two chambers, such as that between the nostrils or the chambers of the heart.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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