embryology

zygote

First embryonic cell

• conceptionFormation of an idea
• gametesReproductive cells for fusion
• fertilizationGamete fusion creating zygote

ovulation · implantation · blastocyst · morula · sperm · ovum · cleavage · totipotent · IVF · in-vitro

morphogenesis

Developmental shape emergence

• differentiationRecognizing meaningful differences
• organogenesisEmbryonic tissue becoming structures
• gastrulationEmbryo forms primary layers

induction · primordium · segmentation · cleavage · ectoderm · mesoderm · endoderm

teratology

Study of developmental defects

• geneticsScience of hereditary transmission
• epigeneticsHeritable expression changes, sequence intact
• zebrafishStriped lab model organism

Drosophila · pluripotent · knockout · histology · microscopy · regeneration

fetus

Gestating offspring

• placentaFetal nourishment organ
• amnioticOf the embryo's sac
• umbilicalOf the cord connecting fetus

uterus · prenatal · trimester · maternal · fetal · gestational · ultrasound · pregnancy · chorion · amnion

phylogeny

Evolutionary relationships among organisms

• ontogenyIndividual's developmental history
• recapitulationSummarizing what came before
• homologyStructural similarity through descent

Haeckel · notochord · vertebrate · invertebrate · larval · metamorphosis · evolutionary · ancestral

• biologycells, DNA, cell, biology, gene
• growthgrowth, grow, growing, growth rate, increase
• sciencesbiology, chemistry, physics, astronomy, geology
• Biomedicineanatomy, physiology, pathology, pharmacology, immunology
• life sciencesbiology, medicine, botany, genetics, ecology
• Medical Sciencegenetics, immunology, antibiotics, penicillin, DNA