Serum

The short- term serum (plural serums ) is in the medical jargon for:

• The blood serum, a part of the Blood
• An immune serum for vaccinations

With the adjective is called serous:

• A watery discharge ( serous secretion ) and the corresponding glands ( serous gland )
• The lining of body cavities with the tunica serosa, see serous cavity

• Disambiguation