A partition separating two chambers, such as that between the nostrils or the chambers of the heart.→ septa
- ‘As in most species of balsaminoid Ericales, raphides are found in the septa of the locule wall.’
- ‘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.’
- ‘This area includes the anterior end of the inferior turbinate, the adjacent septum and the caudal edge of the upper lateral cartilages.’
- ‘The ventricular septum and the atrioventricular and semilunar valves were unremarkable.’
Mid 17th century: from Latin septum, from sepire enclose from sepes hedge.