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perithelium

American  
[per-uh-thee-lee-uhm] / ˌpɛr əˈθi li əm /

noun

Anatomy.

PLURAL

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


Other Word Forms

  • perithelial adjective

Etymology

Origin of perithelium

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