Reproduction And Development
32 entries in the Reproduction And Development compendium.
Alternation of generationsLife cycle alternating haploid and diploid multicellular stages in plants.Animal embryonic developmentProcess from fertilized egg to multicellular embryo.Asexual reproductionReproduction without gamete fusion, producing genetically identical offspring.BirthBirth is the act of bringing forth offspring.BlastulationStage producing the blastula in early animal embryonic development.Breech birthBreech birth is a higher-risk delivery with buttocks or feet first.ChildbirthCompletion of pregnancy resulting in one or more newborns.Cleavage (embryo)Early embryonic cell divisions that form blastomeres and the morula.Development of the human bodyProcess of growth from fertilization to maturity.EmbryoInitial developmental stage of a multicellular organism.FetusUnborn offspring of viviparous animals, from embryo to birth.GameteHaploid cell fusing during sexual reproduction.GestationGestation is embryo development inside viviparous animals.OvulationRelease of egg cells from ovaries in the menstrual cycle.PlacentaTemporary organ enabling nutrient and gas exchange in pregnancy.ZygoteEukaryotic cell formed by fusion of two gametes.MenstruationRegular discharge of uterine lining triggered by hormonal changes.MiscarriageMiscarriage is the most common complication of early pregnancy.OffspringOffspring are the young produced by sexual or asexual reproduction.OogenesisDevelopment of the egg cell from oogonium to ovum.OxytocinPeptide hormone involved in childbirth, bonding, and social behavior.ParthenogenesisA natural asexual reproduction from unfertilized eggs.Plant embryonic developmentProcess from fertilization to mature plant embryo.Postterm pregnancyPregnancy continuing past 42 weeks, requiring monitoring and possible induction.Pouch (marsupial)A fold of skin for nurturing undeveloped young.Premenstrual syndromeA cyclical condition causing disruptive symptoms before menstruation.Preterm birthBirth before 37 weeks; leading cause of infant death worldwide.MelatoninHormone regulating sleep-wake cycles and acting as an antioxidant.Nymph (biology)Juvenile insect form that gradually metamorphoses into an adult.OntogenyThe developmental history of an organism within its own lifetime.MeiosisCell division producing haploid gametes for sexual reproduction.EmbryogenesisThe process of embryo formation from zygote to multicellular organism.
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