prosthomere
1prosthomere — pros·tho·mere …
2prosthomere — ˈprästhəˌmi(ə)r noun ( s) Etymology: prosth (from Greek prosthen before, in front) + o + mere : a segment anterior to the mouth in arthropods …
1prosthomere — pros·tho·mere …
2prosthomere — ˈprästhəˌmi(ə)r noun ( s) Etymology: prosth (from Greek prosthen before, in front) + o + mere : a segment anterior to the mouth in arthropods …