Somatogenic

Word SOMATOGENIC
Character 11
Hyphenation N/A
Pronunciations N/A

Definitions and meanings of "Somatogenic"

What do we mean by somatogenic?

Of somatic origin; developing from the somatic cells. adjective

Pertaining to or concerning origin from the larval or later stages of development.

Originating in the soma, body, or physical organism in consequence of its conditions of environment: noting those modifications or biological characters which an organism acquires in reacting upon its material surroundings.

Of or arising from physiological causes rather than being psychogenic in origin adjective

Here you will find one or more explanations in English for the word somatogenic. Define somatogenic, somatogenic synonyms, somatogenic pronunciation, somatogenic translation, English dictionary definition of somatogenic.

Synonyms and Antonyms for Somatogenic

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The word "somatogenic" in example sentences

Weismann (1892, p. 401) said, 'A somatogenic character is not inherited in this case, but the modifying influence – temperature – affects the primary constituents of the wings in each individual, i.e. a part of the soma – as well as germplasm contained in the germ of animals. ' ❋ Unknown (2007)

Adami remarks that Weismann would make the somewhat subtle distinction that the toxins produce these results not by acting on the body-cells but by direct action on the germ-cells, that the inheritance is blastogenic not somatogenic, and calls this 'a sorry and almost Jesuitic play upon words. ' ❋ J. T. Cunningham (1897)

The theory of the heredity of somatogenic modifications is not in opposition to the mutation theory. ❋ J. T. Cunningham (1897)

For the present, therefore, we must conclude that feathers are not an adaptation, and not due to somatogenic modification, but must be result of a gametogenic mutation. ❋ J. T. Cunningham (1897)

The majority of evolutionists in recent years have taught that influences exerted through the soma have no effect on the determinants in the chromosomes of the gametes, that all hereditary variations are gametogenic and none somatogenic. ❋ J. T. Cunningham (1897)

It has been the main argument of this volume that there are two distinct kinds of characters in all organisms -- namely, those of somatogenic origin and those of gametogenic origin. ❋ J. T. Cunningham (1897)

If it be proved that a hereditary character was originally somatogenic, it follows that somatogenic characters in time become hereditary. ❋ J. T. Cunningham (1897)

The theory of the heredity of somatogenic modifications by means of hormones harmonises with and goes far to explain the facts of metamorphosis and recapitulation in adaptive characters, and also the origin of secondary sexual characters, their correlation with the periodical changes in the gonads and the effects of castration. ❋ J. T. Cunningham (1897)

I have endeavoured to find a case which would not be open to the above criticism -- that is, to find a character which could be considered somatogenic and which was absent in a closely allied variety. ❋ J. T. Cunningham (1897)

The author's view is that are two kinds of variation in evolution, one somatogenic and due to external stimuli, acting either directly on passive tissues or indirectly through function, and the other gametogenic and due to changes in the chromosomes of the gametes which are spontaneous and not in any way due to modifications of the soma. ❋ J. T. Cunningham (1897)

The real problem, then, is the sex-limited heredity, and we shall consider later whether in this kind of heredity also there are characters of internal as well as external origin, blastogenic as well as somatogenic. ❋ J. T. Cunningham (1897)

Adaptations are due to somatogenic modifications, non-adaptive diagnostic characters to gametogenic mutations. ❋ J. T. Cunningham (1897)

Most of the characters in domesticated varieties are obviously gametogenic mutations, but the lop-ear in rabbits may be, partly at least, somatogenic. ❋ J. T. Cunningham (1897)

In endeavouring to answer this question there are only two alternatives: either the characters are blastogenic -- that is, they arise from some change in the gametocytes occurring somewhere in the succession of cell-divisions of these cells -- or they arise in the soma and are impressed on the gametocytes by the influence of the soma within which these gametocytes are contained -- that is to say, they are somatogenic. ❋ J. T. Cunningham (1897)

Such disturbances he says, acting on the germ-cells, would be truly somatogenic. ❋ J. T. Cunningham (1897)

At the same time there are some somatic sex-characters, _e. g._ in insects and birds, which do not appear to be correlated with changes in the gonads, and which are probably gametogenic, not somatogenic in origin. ❋ J. T. Cunningham (1897)

Satisfactory evidence by direct experiment of the inheritance of somatogenic modifications due to external stimuli cannot be said to have been yet produced, and, as I have shown, such evidence from the nature of the case must be very difficult to obtain. ❋ J. T. Cunningham (1897)

They are, as I have recently expressed it, purely somatogenic characters -- viz., characters which emanate from the body ❋ Samuel Butler (1868)

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