acanthocytosis
- n the presence of acanthocytes in the blood stream (as in abetalipoproteinemia)
acantholysis
- n a breakdown of a cell layer in the epidermis (as in pemphigus)
acanthophis antarcticus
- n venomous Australian snake resembling an adder
acanthopterygian
- n a teleost fish with fins that are supported by sharp inflexible rays