Quadruplet Pregnancy

A type of computed tomography whereby images wihtin four separate phases following contrast medium administration are taken.

A vaccine that works by stimulating an immune response against four different antigens, such as four different viruses or other microorganisms. For…

A non-infectious recombinant, quadrivalent vaccine prepared from the highly purified virus-like particles (VLPs) of the major capsid (L1) protein of human papillomavirus…

Paralysis of all four limbs.

An artery arising from the P1 segment of the posterior cerebral artery that runs along the quadrigeminal sulcus with branches supplying the…

A group of four powerful muscles in the front of the thigh. Their actions involve the extension of the knee joint. …