The outer layer of the heart is called:

The term cryptorchidism means:

Which word part means stone or calculus?

A balloon used to widen a narrowed artery is part of what procedure?

The hormone insulin is produced by the:

The term myring/o relates to which structure?

The sclera is best described as:

What does the combining form enter/o mean?

Acromegaly results from excessive production of:

What is hyperthyroidism?