#saliva__spit__spittle  a clear liquid secreted into the mouth by the salivary glands and mucous glands of the mouth; moistens the mouth and starts the digestion of starches
  supertype:  secretion  a functionally specialized substance (especially one that is not a waste) released from a gland or cell
  subtype:  drool  tobacco_juice
  substance:  ptyalin
  part of:  salivary_gland  any of three pairs of glands in the mouth and digestive system that secrete saliva for digestion
     part of:  oral_cavity__mouth__oral_fissure__rima_oris  the opening through which food is taken in and vocalizations emerge; "he stuffed his mouth with candy"
        part of:  mouth  the externally visible part of the oral cavity on the face and the system of organs surrounding the opening; "she wiped lipstick from her mouth"
           part of:  human_face__humanface  the front of the head from the forehead to the chin and ear to ear; "he washed his face"; "I wish I had seen the look on his face when he got the news"
              part of:  head__caput  the upper or front part of the body in animals; contains the face and brains; "he stuck his head out the window"
                 part of:  animal__animate_being__animatebeing__beast__brute__creature__fauna  a living organism characterized by voluntary movement
     part of:  digestive_system__digestivesystem__gastrointestinal_system__systema_alimentarium__systemaalimentarium__systema_digestorium__systemadigestorium  the system that makes food absorbable into the body
        part of:  body__organic_structure__organicstructure__physical_structure  the entire physical structure of an organism (especially an animal or human being); "he felt as if his whole body were on fire"

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