#bodily_cavity__cavity__cavum  (anatomy) a natural hollow or sinus within the body
  supertype:  #anatomical_structure__structure__complex_body_part__bodily_structure__body_structure  a particular complex anatomical structure; "he has good bone structure"
  subtype:  #blastocoel  #archenteron  #sinus  #locule  #lumen  #socket.bodily_cavity  #pulp_cavity  #eye_socket  #buccal_cavity  #antrum  #vestibule  #mediastinum  #middle_ear  #pleural_cavity  #chamber.bodily_cavity  #cranial_cavity  #amniotic_cavity  #peritoneal_cavity  #bursa_omentalis  #pericardial_cavity  #vacuole  #ventricle  #sac  #uterine_cavity  #nasal_cavity  #nasopharynx  #oropharynx  #laryngopharynx  #cecum  #tubular_cavity  #armpit  #chest_cavity  #abdominal_cavity  #renal_pelvis  #pelvic_cavity  #celom  #fossa
  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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