A proponent of the theory that the embryo exists as a preformed entity in the spermatozoon (as opposed to in the ovum); cf. animalcule, n. 2b and an…

a person who advocates or believes in the theory of epigenesis; cf. epigeneticist, n., epigenist, n.

a supporter of the view that generation is due to vermicules.

A believer in animalculism; spec. = animalculist, n. 1. Now historical and rare.

A person who advocates or believes in the theory of epigenesis (epigenesis, n. 1); an epigenesist.

= ovist, n.

One who held the view that the sperm alone was the source of animal life.

An advocate of the theory of ovism.

A believer in or advocate of creationism (creationism, n. 2) as explaining the origin of humankind and all kinds of living organism, or, more…

(See quot. 1865.)

An advocate of or believer in vitalism. Also as adj., = vitalistic, adj.

Biology. A person who maintains the unity of origin of all living organisms. Obsolete. rare.

a believer in nomogeny.

A person who advocates the theory of panspermia.

A person who supports the hypothesis of abiogenesis (spontaneous generation). Cf. abiogenesis, n. 1.

An upholder of the hypothesis of heterogeny or spontaneous generation.

= panspermist, n.

= ovist, n.

= adaptationist, n. (in various senses).

= abiogenist, n.

a believer in or advocate of thaumatogeny.