prechordal

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prechordal /pre·chor·dal/ (-kord´'l) situated cranial to the notochord.

prechordal [pre-kor´d'l]

in front of the notochord.

prechordal

situated in front of the notochord in the developing embryo.

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holoprosencephaly			This organizer is constructed through several successive steps: initially, the endodermal organizer -Nieuwkoop center sends signals to specific cells of the dorsal marginal zone into prechordal head mesoderm. Injury and death in the embryo development process: hypothesis of ... by Bustuoabad, Oscar D.; Correa, Julio E. / Frontier Perspectives Finally, the scientists determined that a nearby piece of the embryo, the prechordal mesoderm, induces the single region to split. New gene clearly resolves an eye debate by Travis, John / Science News			precapillary precardiac precardial precardium precartilage precatory bean precaution precautionary labels precautions precautions, universal precava prececocolic fascia precedent precentral precentral area precentral cerebellar vein precentral gyrus precentral sulcus preceptor preceptor: employee preceptor: student preceptorship preceptorships precertification precession prechordal precipitable precipitant precipitate precipitate delivery precipitate labor precipitating factor precipitation precipitin precipitin test precipitinogen PRECISE precision precision attachment precision rest precision therapy preclinical preclinical medicine preclinical studies preclinical toxicology preclotting precocial precocious precocious carrier precocious dentition precocious puberty			precesses precessing precessing precessing Precessing Jet precession precession precession Precession (astronomy) Precession (astronomy) precession camera precession in declination precession in right ascension precession of nodes precession of the equinoxes precession of the equinoxes precessional precessional precessional precessional torque Precessor Precettato Prechambered Explosive precharge Precharged Pneumatic prechiasmal anisocoria prechiasmal anisocoria Prechistoe prechlorination prechlorination prechordal PRECHUR Precieuse Precieuse precinct precinct precinct precinct Precinct Committee Person Precinct Count Optical Scan Precinct-Based Optical Scanner precinctio precincts precincts precincts Precio Al Por Menor Regular Precio base Precio comprador y vendedor Precio contado Precio de apertura Precio de cierre Precio de compra Precio de contado Precio de conversion Precio de custo Precio de ejercicio Precio de ejercicio ajustado por dividendos Precio de ejercicio nominal Precio de equilibrio Precio de intervencion Precio de la emision

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