Which medical word means failure to develope any organ or part?

Why would one lymph node in the neck be swollen and not the other? what causes them to swell?

Effective antiviral drugs are usually associated with which of the following properties? a) interference with viral replicationb) prevention of the host from becoming infectedc) removal of viral proteinsd) removal of viral mrnas

Which many - celled organisms are capable of causing diseases in humans