#sample.natural_object  all or part of a natural object that is collected and preserved as an example of its class
  supertype:  #natural_object__naturalobject  an object occurring naturally; not made by man
  subtype:  #specimen.sample  a bit of tissue or blood or urine that is taken for diagnostic purposes; "they collected a urine specimen for urinalysis"
     subtype:  #cytologic_specimen__cytologicspecimen  a specimen used for cytologic examination and diagnosis
        subtype:  #cytologic_smear__cytologicsmear__smear__cytosmear  a thin tissue or blood sample spread on a glass slide and stained for cytologic examination and diagnosis under a microscope
           subtype:  #alimentary_tract_smear  any of several cytologic smears obtained from different parts of the alimentary tract; obtained by specialized lavage techniques and used mainly to diagnose cancer in those parts
              subtype:  #esophageal_smear  alimentary tract smear of material obtained from the esophagus
              subtype:  #gastric_smear__gastricsmear  alimentary tract smear of material obtained from the stomach
              subtype:  #oral_smear  alimentary tract smear of material obtained from the mouth
              subtype:  #paraduodenal_smear__duodenal_smear  alimentary tract smear of material obtained from the duodenum
           subtype:  #cervical_smear__Pap_smear__Papanicolaou_smear  a sample of secretions and superficial cells of the uterine cervix and uterus; examined with a microscope to detect any abnormal cells
           subtype:  #lower_respiratory_tract_smear__lowerrespiratorytractsmear__bronchoscopic_smear__bronchoscopicsmear__sputum_smear  any of several cytologic smears obtained from different parts of the lower respiratory tract; used for cytologic study of cancer and other diseases of the lungs
           subtype:  #vaginal_smear__vaginalsmear  smear taken from the vaginal mucosa for cytological analysis
  subtype:  #core.sample  a cylindrical sample of soil or rock obtained with a hollow drill

No statement uses or specializes #sample.natural_object; click here to add one.