title: Spontaneous fibro-osseous lesions in aging female mice.
abstract: Fibrous tissue and occasionally bony trabeculae replaced part of the marrow cavity in the sternebrae of aging mice. These lesions were observed in 99 of 228 females and only 1 of 226 males. The pathogenesis of the lesions was not determined.
mesh_terms: D000375:Aging; D000818:Animals; D001847:Bone Diseases / Q000473:pathology / Q000662:veterinary*; D001853:Bone Marrow / Q000473:pathology; D001842:Bone and Bones / Q000473:pathology; D005260:Female; D008297:Male; D051379:Mice; D008815:Mice, Inbred Strains / Q000502:physiology; D012376:Rodent Diseases / Q000473:pathology*; D012737:Sex Factors