[{"n": "Alternation of generations", "u": "/e/reproduction-and-development/alternation-of-generations/", "s": "Life cycle alternating haploid and diploid multicellular stages in plants."}, {"n": "Animal embryonic development", "u": "/e/reproduction-and-development/animal-embryonic-development/", "s": "Process from fertilized egg to multicellular embryo."}, {"n": "Asexual reproduction", "u": "/e/reproduction-and-development/asexual-reproduction/", "s": "Reproduction without gamete fusion, producing genetically identical offspring."}, {"n": "Birth", "u": "/e/reproduction-and-development/birth/", "s": "The act or process of bearing or bringing forth offspring, from mammals to marsupials and beyond."}, {"n": "Blastulation", "u": "/e/reproduction-and-development/blastulation/", "s": "Stage producing the blastula in early animal embryonic development."}, {"n": "Breech birth", "u": "/e/reproduction-and-development/breech-birth/", "s": "Breech birth is a higher-risk delivery with buttocks or feet first."}, {"n": "Childbirth", "u": "/e/reproduction-and-development/childbirth/", "s": "Completion of pregnancy resulting in one or more newborns."}, {"n": "Cleavage (embryo)", "u": "/e/reproduction-and-development/cleavage-embryo/", "s": "Early embryonic cell divisions that form blastomeres and the morula."}, {"n": "Development of the human body", "u": "/e/reproduction-and-development/development-of-the-human-body/", "s": "Process of growth from fertilization to maturity."}, {"n": "Embryo", "u": "/e/reproduction-and-development/embryo/", "s": "Initial developmental stage of a multicellular organism."}, {"n": "Fetus", "u": "/e/reproduction-and-development/fetus/", "s": "Unborn offspring of viviparous animals, from embryo to birth."}, {"n": "Gamete", "u": "/e/reproduction-and-development/gamete/", "s": "Haploid cell fusing during sexual reproduction."}, {"n": "Gestation", "u": "/e/reproduction-and-development/gestation/", "s": "Gestation is embryo development inside viviparous animals."}, {"n": "Ovulation", "u": "/e/reproduction-and-development/ovulation/", "s": "Release of egg cells from ovaries in the menstrual cycle."}, {"n": "Placenta", "u": "/e/reproduction-and-development/placenta/", "s": "Temporary organ enabling nutrient and gas exchange in pregnancy."}, {"n": "Zygote", "u": "/e/reproduction-and-development/zygote/", "s": "Eukaryotic cell formed by fusion of two gametes."}, {"n": "Menstruation", "u": "/e/reproduction-and-development/menstruation/", "s": "Regular discharge of uterine lining triggered by hormonal changes."}, {"n": "Miscarriage", "u": "/e/reproduction-and-development/miscarriage/", "s": "Miscarriage is the most common complication of early pregnancy."}, {"n": "Offspring", "u": "/e/reproduction-and-development/offspring/", "s": "Offspring are the young produced by sexual or asexual reproduction."}, {"n": "Oogenesis", "u": "/e/reproduction-and-development/oogenesis/", "s": "Development of the egg cell from oogonium to ovum."}, {"n": "Oxytocin", "u": "/e/reproduction-and-development/oxytocin/", "s": "Peptide hormone involved in childbirth, bonding, and social behavior."}, {"n": "Parthenogenesis", "u": "/e/reproduction-and-development/parthenogenesis/", "s": "A natural asexual reproduction from unfertilized eggs."}, {"n": "Plant embryonic development", "u": "/e/reproduction-and-development/plant-embryonic-development/", "s": "Process from fertilization to mature plant embryo."}, {"n": "Postterm pregnancy", "u": "/e/reproduction-and-development/postterm-pregnancy/", "s": "Pregnancy continuing past 42 weeks, requiring monitoring and possible induction."}, {"n": "Pouch (marsupial)", "u": "/e/reproduction-and-development/pouch-marsupial/", "s": "The pouch is a distinguishing feature of female marsupials and monotremes, with variations in opening directio"}, {"n": "Premenstrual syndrome", "u": "/e/reproduction-and-development/premenstrual-syndrome/", "s": "A cyclical condition causing disruptive symptoms before menstruation."}, {"n": "Preterm birth", "u": "/e/reproduction-and-development/preterm-birth/", "s": "Preterm birth is the birth of a baby at fewer than 37 weeks gestational age, with risks increasing the earlier"}, {"n": "Melatonin", "u": "/e/reproduction-and-development/melatonin/", "s": "Hormone regulating sleep-wake cycles and acting as an antioxidant."}, {"n": "Nymph (biology)", "u": "/e/reproduction-and-development/nymph-biology/", "s": "Juvenile insect form that gradually metamorphoses into an adult."}, {"n": "Ontogeny", "u": "/e/reproduction-and-development/ontogeny/", "s": "The developmental history of an organism within its own lifetime."}, {"n": "Meiosis", "u": "/e/reproduction-and-development/meiosis/", "s": "Cell division producing haploid gametes for sexual reproduction."}, {"n": "Teratology", "u": "/e/reproduction-and-development/teratology/", "s": "Study of congenital abnormalities caused by teratogens."}, {"n": "Sexual reproduction", "u": "/e/reproduction-and-development/sexual-reproduction/", "s": "Haploid gametes fuse to form a diploid zygote."}, {"n": "Regeneration (biology)", "u": "/e/reproduction-and-development/regeneration-biology/", "s": "Biological process of renewal and tissue restoration after damage."}, {"n": "Morphogenesis", "u": "/e/reproduction-and-development/morphogenesis/", "s": "The biological process generating form in cells and organisms."}, {"n": "Mesoderm", "u": "/e/reproduction-and-development/mesoderm/", "s": "Middle germ layer forming muscles, skeleton, and internal organs."}, {"n": "Invagination", "u": "/e/reproduction-and-development/invagination/", "s": "A surface folding inward to form a cavity or tube."}, {"n": "Evolutionary developmental biology", "u": "/e/reproduction-and-development/evolutionary-developmental-biology/", "s": "Comparing development to reveal how body plans evolved."}, {"n": "Developmental biology", "u": "/e/reproduction-and-development/developmental-biology/", "s": "Study of growth and development in animals and plants."}, {"n": "Compartment (development)", "u": "/e/reproduction-and-development/compartment-development/", "s": "Separate cell populations with lineage boundaries in development."}, {"n": "Cellular differentiation", "u": "/e/reproduction-and-development/cellular-differentiation/", "s": "Process where stem cells become specialized cell types."}, {"n": "Cell potency", "u": "/e/reproduction-and-development/cell-potency/", "s": "A cell's capacity to differentiate into other cell types."}, {"n": "Inner cell mass", "u": "/e/reproduction-and-development/inner-cell-mass/", "s": "Mass of cells inside the blastocyst that forms the fetus."}, {"n": "Germ layer", "u": "/e/reproduction-and-development/germ-layer/", "s": "Primary cell layers forming during animal embryonic development."}, {"n": "Blastomere", "u": "/e/reproduction-and-development/blastomere/", "s": "Cell formed by zygote cleavage, essential for early embryonic development."}, {"n": "Metamerism (biology)", "u": "/e/reproduction-and-development/metamerism-biology/", "s": "Serial repetition of body segments in animals and plants."}, {"n": "Organogenesis", "u": "/e/reproduction-and-development/organogenesis/", "s": "Phase of embryonic development forming organs from germ layers."}, {"n": "Homeotic gene", "u": "/e/reproduction-and-development/homeotic-gene/", "s": "Genes that regulate body patterning and development."}, {"n": "Enterocoely", "u": "/e/reproduction-and-development/enterocoely/", "s": "Embryonic process forming coelom from gut pouches in deuterostomes."}, {"n": "Endoderm", "u": "/e/reproduction-and-development/endoderm/", "s": "Innermost germ layer forming digestive and respiratory linings."}, {"n": "Polarity in embryogenesis", "u": "/e/reproduction-and-development/polarity-in-embryogenesis/", "s": "Axis polarity organizes embryonic development before fertilization."}, {"n": "Schizocoely", "u": "/e/reproduction-and-development/schizocoely/", "s": "A protostome developmental process forming the coelom by mesodermal splitting."}, {"n": "Direct development", "u": "/e/reproduction-and-development/direct-development/", "s": "Growth without metamorphosis; immature resembles adult."}]