Fetal breathing movements and sleep in sheep.
D000818:Animals; D001783:Blood Flow Velocity; D005260:Female; D005333:Fetus / Q000502:physiology*; D006706:Homeostasis; D009068:Movement; D011247:Pregnancy; D012119:Respiration; D012756:Sheep / Q000502:physiology*; D012890:Sleep; D012894:Sleep Stages; D014682:Vena Cava, Inferior / Q000502:physiology; D014851:Wakefulness