title: Changes in the thymus, spleen and lymph nodes during pregnancy and lactation in the rat.
mesh_terms: D000818:Animals; D001772:Blood Cell Count; D005260:Female; D007774:Lactation; D008198:Lymph Nodes / Q000033:anatomy & histology* / Q000166:cytology; D008214:Lymphocytes / Q000166:cytology; D009929:Organ Size; D011247:Pregnancy; D011270:Pregnancy, Animal; D051381:Rats; D013154:Spleen / Q000033:anatomy & histology* / Q000166:cytology; D013950:Thymus Gland / Q000033:anatomy & histology* / Q000166:cytology