Electron microscope observations on the shell gland mucosa of calcium-deficient hens (Gallus domesticus).
D000818:Animals; D002136:Calcium, Dietary; D002645:Chickens; D003593:Cytoplasm; D003677:Deficiency Diseases / Q000473:pathology / Q000662:veterinary*; D004848:Epithelium / Q000473:pathology; D005260:Female; D006651:Histocytochemistry; D008854:Microscopy, Electron; D010057:Oviducts / Q000473:pathology*
D002136:Calcium, Dietary