A general description is provided for male and female gametes, their gametangia, and thalli of five species of the siphonaceous green macroalga
Keywords: Codium, gametes, hermaphrodites, parthenogenesis, reproduction
12/2004 | Botanica Marina, Walter de GruyterConception sometimes results in products that are not capable of developing into an embryo and fetus...
Keywords: Beginning of human life, conception, gestational trophoblastic disease, human being, hydatidiform mole, imprinting, parthenogenesis
03/2008 | Journal of Perinatal Medicine, Walter de Gruyter