extraembryonic mesoderm

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Etymology: L, extra, outside; Gk, en + bryein, to grow, mesos, middle, derma, skin

any mesoderm in the uterus that is not involved with the embryo itself. Included are mesoderms in the amnion, chorion, yolk sac, and connecting stalk.

mesoderm

the middle of the three primary germ layers of the embryo, lying between the ectoderm and entoderm; from it are derived the connective tissue, bone, cartilage, muscle, blood and blood vessels, lymphatics, lymphoid organs, notochord, pleura, pericardium, peritoneum, kidneys and gonads.

extraembryonic mesoderm

located outside the developing embryo and forming its accessory organs.

paraxial mesoderm

adjacent to the mid line beneath the epiblast of the embryo which develop into somites.

somatic mesoderm

the outer layer of the developing mesoderm.

splanchnic mesoderm

the inner layer of the developing mesoderm.

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mesoderm yolk sac			The jelly resists twisting and compression, thus serving to protect the critical vascular lifeline, the formation of the umbilical cord begins when the connecting stalk of the extraembryonic mesoderm links the embryo to the trophoblast. Mammalian development, umbilical cord and placenta of albino mice by Frederick, Robyn; Rischbieter, Michael / Bulletin of the South Carolina Academy of Science			extracorporeal oxygenation extracorporeal photochemotherapy Extracorporeal shock wave lithotripsy extracorporeal shock-wave lithotripsy extracorporeal technician extracorticospinal extracranial extracranial/intracranial bypass extract extracting forceps extraction extraction coefficient extraction ratio Extraction site extractive extractor extracystic extradural extradural anesthesia extradural hematoma extradural hemorrhage extradural space extraembryonic extraembryonic blastoderm extraembryonic coelom extraembryonic mesoderm extrafusal extragenic Extragonadal extrahepatic cholestasis extralemniscal system extramalleolus extramammary Paget's disease extramarital extramastoiditis extramedullary extramedullary myeloma extramedullary myelopoiesis extramedullary plasmacytoma extramural extraneous extraneous tissue extranodal extranodal lymphoma extranodal recurrence extranuclear extraocular extraocular movement extraocular muscle extraocular muscle palsy extraocular muscles			extradosed arch extradoses extradoses Extradotal extradural extradural extradural anesthesia Extradural Haematoma Extradural haemorrhage Extradural hematoma extradural hemorrhage extradural hemorrhage extradural space Extraeconomic Constraint extraembryonic extraembryonic extraembryonic extraembryonic blastoderm Extraembryonic coelom Extraembryonic coelom extraembryonic m extraembryonic m extraembryonic m extraembryonic m's extraembryonic m's extraembryonic m's extraembryonic membrane extraembryonic membranes extraembryonic membranes extraembryonic membranes extraembryonic mesoderm extrafloral Extrafloral nectaries Extrafloral nectaries Extrafloral nectary Extrafloral nectary extrafocal radiation extrafocal radiation extrafocal radiation Extrafoliaceous Extraforaneous Extrafusal Extrafusal muscle fiber extragalactic extragalactic Extragalactic astronomy Extragalactic background light extragalactic nebula Extragalactic Optical Object extragalactic radio source Extragalatic jet Extragalatic jet Extrageneous extragenic Extragenomic Marker Extragonadal Extragonadal Germ-Cell Tumor Extragonadal Germ-cell Tumour Extragonadal Malignant Germ Cell Tumour extrahepatic Extrahepatic Bile Duct Carcinoma

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