PCAT

phr. to keep the penis rigid and upright

n. blister?

n. anticonvulsant used to treat seizures associated with epilepsy

n. warm-blooded vertebrates who have young which feed on milk from their mothers' glands

n. a drug also known as marijuana?

n. drug that stops or reduces the ability of a virus to proliferate

n. a combination of reacting particles (atoms; molecules or ions) when they are at the top of the activation energy barrier between the products and the reactants?

adj. relating to a membranous sheet

n. alkali metal

n. structure that connects a developing baby to the placenta