heter-, hetero-

Outdated, a vaccination using unknown or unfamiliar nitrogenous organic compounds: In her grandfather's book on medicine, Grace read about heterotherapy as a kind of inoculation or injection with a foreign protein.

The condition of having a temperature which varies with that of the surroundings; : Heterothermy can be exemplified. by some plants and cold_blooded or poikilothermic animals.

All animals, except mammals and birds, exhibit heterothermy in which widely different body temperatures occur at different times or under different conditions.

Strangeness or deviance in tension or tonus: Dr. Black told his students that heterotonia referred to the variations in tension, like in neurology.

Referring to a deviation in variations in tension or tone: The heterotonic disorder of Sam's nervous system was an important topic among the doctors at the hospital.

Relating to the dissimilar tones in scales or chords in music: When Judy played her scales on the piano, they were quite heterotonous and hard to listen to!

Descriptive of how offspring that are different from the parents are created: It was amazing to see that Lynn's cat heterotonously had 5 kittens that were all of a different color than the mother cat.

1. The occurrence of a normal tissue or organ at an abnormal place or wrong part of the body: Heterotopia is the strange displacement of a body part or organ.

Heterotopia can refer to a malposition, especially if congenital which is present at birth.
2. In biology, the occurrence of an organism in a wide variety of habitats: Mr. Small told his students about heterotopia as the situation in which one plant or animal could survive in various and unlike environments due to their ability of adaption.

1. In medicine, pertaining to a tissue or or an organ that is misplaced in a body: In medical school, Sam learned about heterotopic organs of a person's body that could be located in a different spot than the usual position.
2. In ecology, referring to an organism that is found in different habitats: Heterotopic animals can live in two kinds of environments, like beavers and frogs.

In biology, an irregularity of position of an organ from its natural location: Over thousands of years, a process of heterotopy has taken place where organs have deviated from their natural position by the slow and progressive displacement of germ cells, which can be a gametocyte, an ovum or a sperm cell.

Poisonous only to species that are different from the organism producing the poison: The bite of a rattle snake can be heterotoxic to a person.

A poison introduced into, but formed outside of, the body: The venom of a rattle snake is a heterotoxin which can definitely harm people if bitten,

A heterotoxin can also be a toxin that is not inherently produced by the affected organism.

Xenogeneic transplantation; xenograft: A heterotransplant describes the transplantation of tissue taken from a species different from the recipient.

The graft of biological material from a certain species into another one; xenotransplantation: Heterotransplantation can include the grafting by using the alterations of the organic matter, as by genetic engineering.

The growth of hair of different colors on the body: Dr. Richison told Mary that she had a condition of heterotrichosis causing her hair to have two contrasting colors.

In ecology, an organism that is unable to synthesize organic compounds from inorganic substances for food and so must consume other organisms or their organic products for survival: Such life forms, like any animal or fungus, or almost any bacterium are considered to be heterotrophs.