episternum

American  

[ep-uh-stur-nuhm] / ˌɛp əˈstɜr nəm /

noun

plural

episterna

1. Anatomy. manubrium.

2. Entomology. the anterior portion of a pleuron.

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episternum British  

/ ˌɛpɪˈstɜːnəm /

noun

1. the manubrium of the sternum in mammals

2. another name for interclavicle

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Other Word Forms

• episternal adjective

Etymology

Origin of episternum

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

Episternum: the anterior and larger lateral thoracic sclerite between the sternum and notum.

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