Decreased sprouting and degeneration of nerve terminals of active muscles in aged rats.
D000375:Aging; D000818:Animals; D001369:Axons / Q000648:ultrastructure; D008297:Male; D009045:Motor Endplate / Q000648:ultrastructure; D009132:Muscles / Q000294:innervation; D009410:Nerve Degeneration; D009411:Nerve Endings / Q000502:physiology* / Q000648:ultrastructure; D009416:Nerve Regeneration; D010791:Phrenic Nerve / Q000502:physiology; D051381:Rats; D011916:Rats, Inbred F344; D013572:Synaptic Vesicles / Q000648:ultrastructure