Term
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Definition
| cover organs + line trunk cavity |
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Definition
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Definition
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Definition
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Definition
| lung and thoracic cavity serous membrane |
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Definition
| abdominopelvic cavity serous membrane |
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Term
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Definition
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Term
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Definition
| first 2 weeks of development |
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Term
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Definition
| 2nd week-8th week of development |
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Term
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Definition
| last 30 weeks of development |
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Term
| clinical/medical developmental events |
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Definition
| date since last menstrual period |
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Term
| embryologist developmental event date |
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Definition
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Term
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Definition
| outer layer of secondary oocyte |
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Term
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Definition
| receptor that binds sperm acrosomal region |
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Term
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Definition
| binding of acrosome to ZP3 |
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Term
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Definition
| receptor on 2* oocyte plasma membrane causing depolarization of membrane |
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Term
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Definition
| membrane depolarization mechanism block |
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Term
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Definition
| intracellular calcium release during fertilization (block) |
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Term
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Definition
| female gamete which has undergone 2nd meiotic division |
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Term
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Definition
| male gamete which has undergone 2nd meiotic division |
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Term
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Definition
| fusion of sperm and egg makes a ___ |
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Term
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Definition
| 12 or more cell stage of embryonic development |
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Term
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Definition
| fluid-filled ball of multipotent cells |
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Term
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Definition
| collection of blastocyst cells which become the embryo |
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Term
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Definition
| collection of blastocyst cells which become extra-embryonic cells |
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Term
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Definition
| inner fluid filled cavity of blastocyst |
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Term
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Definition
| two oocytes fertilized by two different sperms |
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Term
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Definition
| single oocyte fertilized by one sperm; zygote splits to form _____ |
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Term
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Definition
| structure which exchanges nutrients and removes waste in the developing fetus |
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Term
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Definition
| multinucleted cells; invade mother's uterine endometrial wall by digestion |
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Term
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Definition
| type of trophoblast which remains close to the embryonic tissue, barrier between maternal and embryonic blood |
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Term
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Definition
| trophoblast structure surrounding syncytio. and lacunae |
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Term
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Definition
| cytotrophoblasts become ____ |
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Term
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Definition
| carries oxygenated blood to the embryo |
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Term
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Definition
| carries deoxygenated blood to the embryo |
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Term
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Definition
| thin layer of syncytio. and basement membrane providing gas exchange to developing embryo |
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Term
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Definition
| small pools formed by the syncytio. containing maternal blood |
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Definition
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Definition
| structure which eventually forms the 3 germ layers |
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Definition
| structure which forms extraembryonic membranes |
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Term
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Definition
| cavity inside ICM surrounded by amneotic sac; fluid filled + protects embryo |
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Term
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Definition
| surrounds the amniotic cavity inside the ICM |
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Term
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Definition
| sac inside blastocele formed from hypoblast |
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Term
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Definition
| differentiation of epiblast into 3 germ layers |
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Term
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Definition
| rod structure between mesoderm and endoderm near primitive streak causing induction of ectoderm, folding of neural plate |
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Term
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Definition
| thickened area of epiblast cells formed during gastrulation |
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Term
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Definition
| inner layer containing digestive tract |
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Term
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Definition
| middle layer containing muscle, bone, blood |
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Term
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Definition
| outer layer containing skin and neural system |
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Term
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Definition
| structure made from ectoderm induced by the notochord during gastrulation |
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Term
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Definition
| raised edges of the neural plate during neural tube formation |
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Term
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Definition
| neural tube cells which break away to become nerves and ganglia, skull |
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Term
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Definition
| closed tube which forms basis of the CNS in embryological development |
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Term
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Definition
| derived from mesoderm next to neural tube, become part of skull + spinal column |
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Term
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Definition
| cephalic end of yolk sac folds into the ___ |
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Term
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Definition
| caudal end of yolk sac folds into the ____ |
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Term
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Definition
| region of yolk sac moving towards connecting stalk, becoes bladder |
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Term
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Definition
| caudal indentation close to hindgut region |
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Term
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Definition
| cephalic indentation close to foregut region |
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Term
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Definition
| mesodermal region which becomes the three body cavity membranes, runs entire length of body |
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Term
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Definition
| evaginations of two arches which become auditory tube, thyroid, etc |
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Term
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Definition
| thickened ectodermal region which becomes the limbs, stimulated by limb buds |
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Term
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Definition
| region which stimulate apical ectodermal ridge formation |
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Term
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Definition
| embryonic structure which becomes the forehead and nose |
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Definition
| embryonic structure which becomes the jaw |
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Term
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Definition
| embryonic structure which becomes the mandible |
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Term
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Definition
| structure which forms the nasal cavity and palate |
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Term
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Definition
| early muscle progenitor cells |
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Term
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Definition
| small blood structures on surface of yolk sac and inside the embryo |
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Term
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Definition
| primitive heart tube dilation which becomes major veins (ie vena cava) |
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Term
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Definition
| primitive heart tube dilation which becomes major arteries |
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Term
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Definition
| hole between interatrial septum which allows direct flow from RA to LA |
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Definition
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Term
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Definition
| muscular structure between the ventricles |
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Definition
| evagination of the trachea formed from the foregut, become the lungs |
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