title: Synthesis and release of polypeptides by pig conceptuses during the period of blastocyst elongation and attachment.
mesh_terms: D000818:Animals; D001755:Blastocyst / Q000166:cytology / Q000378:metabolism*; D002852:Chromatography, Ion Exchange; D046508:Culture Techniques; D004591:Electrophoresis, Polyacrylamide Gel; D005865:Gestational Age; D006023:Glycoproteins / Q000378:metabolism; D006863:Hydrogen-Ion Concentration; D007930:Leucine / Q000378:metabolism; D008970:Molecular Weight; D010455:Peptides / Q000378:metabolism*; D013552:Swine / Q000196:embryology*
chemical_list: D006023:Glycoproteins; D010455:Peptides; D007930:Leucine