title: The concept of pressure in biology and pressure transducers.
mesh_terms: D000653:Amniotic Fluid / Q000502:physiology; D001696:Biomechanical Phenomena; D001826:Body Fluids / Q000502:physiology; D004108:Dilatation, Pathologic; D005260:Female; D006257:Head / Q000002:abnormalities / Q000000981:diagnostic imaging; D006801:Humans; D007047:Hysterosalpingography; D007746:Labor Presentation; D008365:Manometry / Q000295:instrumentation*; D008954:Models, Biological; D009119:Muscle Contraction; D010298:Parity; D011247:Pregnancy; D011312:Pressure; D014159:Transducers; D014590:Uterine Contraction