What's the difference between episternum and presternum?
Episternum
Definition:
(n.) A median bone connected with the sternum, in many vertebrates; the interclavicle.
(n.) Same as Epiplastron.
(n.) One of the lateral pieces next to the sternum in the thorax of insects.
Example Sentences:
(1) The muscle consists of three parts: the upper bundle, which originates on the episternum, and the middle and lower bundles, which originate on the epimeron; all three parts insert on the tip of a projection from the third axillary sclerite.
Presternum
Definition:
(n.) The anterior segment of the sternum; the manubrium.