umls-concept:C0018597 | skos:definition | MSH: A sebaceous gland that, in some animals, acts as an accessory to the lacrimal gland. The harderian gland excretes fluid that facilitates movement of the third eyelid.,NCI: A gland producing tears in a third eyelid in the corner of each eye, as seen in animals.,NCI: An accessory gland of the orbit.,NCI: A gland producing tears in a third eyelid in the corner of each eye, as seen in animals. (NCI),NCI: An accessory gland of the orbit. (NCI) | lld:umls |