A gulf to the south of the USA and to the east and north of Mexico.

(ichthyology) A member of the family Cyprinidae, which includes other fish such as the common carp, goldfish, and the smaller minnows.

(anatomy) A branch of the ophthalmic artery that passes to the retina in the middle of the optic nerve and branches to form the arterioles of the retina.

(biology, physics) The application of nanotechnology to biological research; especially the development of advanced imaging systems