αναπτυξη εμβρυου

Question

&sigma;&tau;&omicron; &tau;&epsilon;&lambda;&epsilon;&upsilon;&tau;&alpha;ί&omicron; &pi;&rho;&omicron;&gamma;&rho;&alpha;&mu;&mu;&alpha;&tau;&iota;&sigma;&mu;έ&nu;&omicron; &upsilon;&pi;&epsilon;&rho;&eta;&chi;&omicron; &mu;&epsilon; &tau;&omicron; &gamma;&iota;&alpha;&tau;&rho;&omicron;(15 &beta;&delta;&omicron;&mu;&alpha;&delta;&omega;&nu;)&omicron;&iota; &mu;&epsilon;&tau;&rho;ή&sigma;&epsilon;&iota;&sigmaf; &tau;&omicron;&upsilon; &epsilon;&mu;&beta;&rho;&upsilon;&omicron;&upsilon; ή&tau;&alpha;&nu; ό&lambda;&epsilon;&sigmaf; &phi;&upsilon;&sigma;&iota;&omicron;&lambda;&omicron;&gamma;&iota;&kappa;έ&sigmaf; &kappa; &sigma;&upsilon;&mu;&beta;&alpha;&delta;&iota;&zeta;&alpha;&nu; &mu;&epsilon; &tau;&iota;&sigmaf; 15&beta;&delta;&omicron;&mu;&alpha;&delta;&epsilon;&sigmaf; &epsilon;&kappa;&tau;ό&sigmaf; &alpha;&pi;ό &tau;&eta; &kappa;&omicron;&iota;&lambda;&iota;ά &pi; έ&beta;&gamma;&alpha;&iota;&nu;&epsilon; 14&beta;&delta;&omicron;&mu;&alpha;&delta;&omega;&nu;...&epsilon;&iota;&nu;&alpha;&iota; &kappa;&tau; &alpha;&nu;&eta;&sigma;&upsilon;&chi;&eta;&tau;&iota;&kappa;ό?&omicron; &gamma;&iota;&alpha;&tau;&rho;ό&sigmaf; &delta; έ&delta;&epsilon;&iota;&xi;&epsilon; &nu;&alpha; &alpha;&nu;&eta;&sigma;&upsilon;&chi;&epsilon;ί..&pi;&omicron;&iota;&alpha; &eta; &gamma;&nu;ώ&mu;&eta; &sigma;&alpha;&sigmaf;