Pulmonary alveoli and macrophages of rats. A study of aging changes by electron microscopy.
D000375:Aging; D000818:Animals; D005260:Female; D008264:Macrophages / Q000166:cytology*; D008297:Male; D011650:Pulmonary Alveoli / Q000033:anatomy & histology* / Q000166:cytology; D051381:Rats