perithelium

perithelium [per-uh-thee-lee-uh m] Word Origin noun, plural per·i·the·li·a [per-uh-thee-lee-uh] /ˌpɛr əˈθi li ə/. Anatomy.

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

Origin of perithelium 1875–80; New Latin, equivalent to Greek peri- peri- + thēl(ḗ) nipple + Latin -ium -ium Related formsper·i·the·li·al, adjective perithelium in Medicine perithelium [pĕr′ə-thē′lē-əm] n. pl. per•i•the•li•a (-lē-ə)

1. The connective tissue surrounding small blood vessels and capillaries.