ClipArt ETC
"Section of a Hen's Egg before Incubation. a, yolk, showing concentric layers; a', its semi-fluid center; b, inner dense part of the albumen; b', outer thinner part; c, twisted cords of albumen; h, the white spot, or germ cell." -Cooper, 1887

Egg Parts

"Section of a Hen's Egg before Incubation. a, yolk, showing concentric layers; a', its semi-fluid center;…

Spermatozooid, mature male germ cells, of <i>Adiantum capillus-veneris</i>. Also called spermatozoid.

Spermatozooid of the Southern Maidenhair Fern and Venus Hair Fern

Spermatozooid, mature male germ cells, of Adiantum capillus-veneris. Also called spermatozoid.