episternum

[ ep-uh-stur-nuhm ]

noun

, plural ep·i·ster·na [ep-, uh, -, stur, -n, uh].

1. Anatomy. manubrium.
2. Entomology. the anterior portion of a pleuron.

episternum

/ ˌɛpɪˈstɜːnəm /

noun

1. the manubrium of the sternum in mammals
2. another name for interclavicle

Derived Forms

• ˌepiˈsternal, adjective

Word History and Origins

Origin of episternum¹

First recorded in 1850–55; epi- + sternum

Example Sentences

Prothorax: a, Episternum. b, Sternum. c, Coxa of fore-leg. d, Pronotum.

From Project Gutenberg

Mesothorax: e, Prescutum. f, Scutum. g, Scutellum. h, Post-scutellum. i, Mesophragma. j, Epimeron. k, Episternum. l, Coxa of middle leg.

From Project Gutenberg

Episternum, ep-i-ster′num, n. the interclavicle: the epiplastron: the presternum of mammals.—adj.

From Project Gutenberg

Parapteron -era: small sclerites, articulated to the dorsal extremity of the episternum, just below the wings; absent on prothorax = the tegulae of Hymenoptera, and patagia of Lepidoptera: have been homologized with the elytra of Coleoptera.

From Project Gutenberg

Scapular: the episternum; q.v.: applied to the scapula.

From Project Gutenberg