skin ribonucleic acid level mammary gland ribonucleic acid level 2024-07-16T13:53:12Z CMO:0004005 This is any measurement of the absolute or relative amount(s) of one or more of the ribonucleic acids (RNAs) found in the mammary gland(s), a specialized accessory gland of the skin of mammals that secretes milk. The gland is typically only developed in females, and regresses in males. breast mammary gland clinical_measurement_ontology lactiferous gland slaulederkind thoracic mammary gland