heter-, hetero-

(Greek: different, other, another, unlike; irregular, abnormal)

This Greek element forms many scientific and other terms, often in opposition to homo-. Sometimes it is also the antonym of auto-, homoeo-, iso-, ortho-, and syn-.

Secreting more than one kind of substance; used with reference to both endocrine and exocrine glands
Having the toes, or one of them, irregular or abnormal, as certain families of birds.
Similar to zygodactyly; except that digits three and four point forward and digits one and two point to the back.

This is only found in trogons (birds that peck holes in trees to make their nests). They are residents of tropical forests, particularly in South America.

Having the skin or integument (outer covering or coat) of different structures in different parts, as certain fishes and serpents; opposite of homodermatous.
Denoting a skin graft taken from a member of another species.
Having teeth of different kinds or forms (incisors, canines, and molars), as most mammals.
These “different-teeth lizards”, from Early Jurassic southern Africa, where small, early bird-hipped bipeds resembling Fabrosaurids, their likely ancestors.
1. Of doctrines, opinions, etc.; not in accordance with established doctrines or opinions, or those generally recognized as right or orthodox (originally in religion and theology).
2. Of persons holding opinions not in accord with some acknowledged standard; as in theology or in other matters of belief or opinion.
1. Of doctrines, opinions, etc. that are not considered in accordance with established doctrines or opinions, or those generally recognized as right or orthodox; originally in religion and theology.
2. A reference to people who hold opinions not in accord with some acknowledged standard in matters of belief or opinion.
1. The quality or character of being heterodox; deviation from what is considered to be orthodox.
2. An opinion or doctrine at variance with that generally received as true or right; a heterodox opinion; belief or doctrine not in agreement with what is generally accepted.
1. Running in different or opposite directions.
2. Turning in opposite directions on the main stem and on a branch, as the generating spiral of a phyllotaxis.
Unequal conjoined twins in which the incomplete parasite, consisting of head and neck and, to some extent, thorax, is attached to the anterior surface of the autosite.
Of or relating to the combination of two different radio frequencies.
1. A parasite occupying two or more different hosts at different stages of a life cycle.
2. A non host-specific parasite.
3. A reference to a unisexual organism in which male and female gametes are produced by different individuals.

Inter-related cross references, directly or indirectly, involving word units meaning "another, other, different, alternating, varied, changing": ali-; allo-; alter-; allelo-; mut-; poikilo-; reciproc-; vari-.