septal

[ sep-tl ]

adjective

, Biology.

1. of or relating to a septum.

septal

/ ˈsɛptəl /

adjective

1. of or relating to a septum

Other Words From

• pre·septal adjective
• super·septal adjective
• trans·septal adjective

Word History and Origins

Origin of septal¹

First recorded in 1830–40; sept(um) + -al ¹

Example Sentences

Instead of the brainstem, where Jim was aiming, his electrode ended up roughly in the septal area of the brain, likely in something called the nucleus accumbens.

From Scientific American

The medical report listed the cause of death as cardiac arrest, caused by the enlargement of the heart, caused by the atrial septal defect.

From Seattle Times

In December, doctors in the town of Khan Younis diagnosed Fatma with an atrial septal defect, a hole in her tiny heart.

From Seattle Times

Everett and Korbin both have what’s called a ventricular septal defect - holes in their hearts.

From Washington Times

Roughly one in every 770 babies in the U.S. are born with an atrial septal defect each year, the federal agency says.

From Fox News