sperm-cells

Mr. Spencer's explanation of the inheritance of the effects of use and disuse (p. 36) is that "while generating a modified _consensus_ of functions and of structures, the activities are at the same time impressing this modified _consensus_ on the sperm-cells and germ-cells whence future individuals are to be produced" -- a proposition which reads more like metaphysics than science.

Are the Effects of Use and Disuse Inherited? An Examination of the View Held by Spencer and Darwin

Can we suppose that the _consensus_ of the activities of the working bee impresses itself on the sperm-cells of the drones and on the germ-cells of the carefully secluded queen?

Are the Effects of Use and Disuse Inherited? An Examination of the View Held by Spencer and Darwin

The gametophyte or prothallial generation is thus extremely reduced, consisting of but little more than the male and female sexual cells -- the two sperm-cells in the pollen-tube and the egg-cell (with the synergidae) in the embryo-sac.

Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 Various

At the period of fertilization the embryo-sac lies in close proximity to the opening of the micropyle, into which the pollen-tube has penetrated, the separating cell-wall becomes absorbed, and the male or sperm-cells are ejected into the embryo-sac.

Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 Various

The massacre or expulsion of the drones would have to impress itself on the germ-cells of an onlooking queen, and the imprisonment of the queen on the sperm-cells of the drones -- and in such a way, moreover, as to be afterwards developed into action in the neuters only.

Are the Effects of Use and Disuse Inherited? An Examination of the View Held by Spencer and Darwin

The nucleus of the tube-cell has meanwhile passed into the tube, as does also the generative nucleus which divides to form two male - or sperm-cells.

Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 Various

When we analyze the physical structure back to the germ and sperm-cells we are brought face to face with the invisible builder.

The Christian Foundation, Or, Scientific and Religious Journal, April, 1880 Various

In an animal or plant individual it is expressed by and linked with the ability to produce egg - or sperm-cells (ova or spermatozoa).

Taboo and Genetics A Study of the Biological, Sociological and Psychological Foundation of the Family Melvin Moses Knight 1934

It is thus clear that in both sexes there are essential reproductive organs, the ovaries in the one case, the testicles in the other, providing respectively ova and sperm-cells, and there are also organs for the purpose of securing the union of these two elements, namely the vagina in the female and the penis in the male.

Men Women and God Arthur Herbert Gray 1912

Very briefly, the sperm-cells, which are active, freely moving units, swarm round the egg-cell and one of them eventually enters it.

Men Women and God Arthur Herbert Gray 1912