Eastern Meadowlarks eat mostly insects, including crickets, grasshoppers, caterpillars, and grubs. During winter they also eat weed seeds, spilled corn, and wild fruits, but donât eat sprouting grain. They get their food by walking on the ground and probing with their bill.
Define tricuspid. tricuspid synonyms, tricuspid pronunciation, tricuspid translation, English dictionary definition of tricuspid. n. An organ or part, especially a tooth, having three cusps. adj. also triÂ·cusÂ·piÂ·dal or triÂ·cusÂ·piÂ·date 1. Having three cusps, especially a molar tooth.
The tricuspid valve evolves from the atrivoventricular valve in our primitive relatives. The tricuspid valve is on the right side of the heart. The right side of our ancestor's heart has 3 cusps (anterior, posterior, and medial) between the atrium and ventricle. This evolved to the tricuspid valve in mammals.