perithelium

[ per-uh-thee-lee-uhm ]

noun

, Anatomy.

, plural per·i·the·li·a [per-, uh, -, thee, -lee-, uh].

1. the connective tissue surrounding certain small vessels, as capillaries.

Other Words From

• peri·theli·al adjective

Word History and Origins

Origin of perithelium¹

1875–80; < New Latin, equivalent to Greek peri- peri- + thēl ( ḗ ) nipple + Latin -ium -ium