n. Congenital absence of the urinary bladder.

What is the best definition of apathy?

1 : lack of feeling or emotion : impassiveness drug abuse leading to apathy and depression. 2 : lack of interest or concern : indifference political apathy.

What does Ankyl mean?

, ankyl- [Gr. ankylos, crooked] Prefixes meaning crooked, bent, or a fusion or growing together of parts.