8-Letter Words Containing: O,N,T,O

• a toxin that is secreted by microorganisms into the surrounding medium

• hormone secreted by the posterior pituitary gland (trade name Pitocin); stimulates contractions of the uterus and ejection of milk

• a classification of organisms into groups based on similarities of structure or origin etc

• (biology) study of the general principles of scientific classification

• practice of classifying plants and animals according to their presumed natural relationships

• any of various shrubs or vines of the genus Lycium with showy flowers and bright berries

• A flat-bottomed boat with a very shallow draft, whose bow and stern are both squared off

• living within a living animal usually as a parasite

• One of the Metazoa.

• of a disease that is constantly present in an animal community but only occurs in a small number of cases

• of or relating to or constituting zoonosis