title: Ultrastructure of developing human muscle.
mesh_terms: D005260:Female; D006579:Heterozygote; D006801:Humans; D008297:Male; D009132:Muscles / Q000196:embryology* / Q000473:pathology / Q000648:ultrastructure; D009136:Muscular Dystrophies / Q000235:genetics / Q000473:pathology; D011247:Pregnancy; D011248:Pregnancy Complications / Q000473:pathology; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D011263:Pregnancy Trimester, Third