International Harmonization of Rat Nomenclature

Digestive System
Summary organ system page for:
  • Tooth
  • Tongue; Oral Cavity, NOS
  • Salivary Gland: Glandula Mandibularis; Glandula Parotis; Glandula Sublingualis; Salivary Gland, NOS
  • Esophagus
  • Forestomach / Non-glandular Stomach
  • Glandular Stomach
  • Intestine: Duodenum; Jejunum; Ileum; Small Intestine, NOS; Cecum; Colon; Rectum; Large Intestine, NOS
  • Liver
  • Pancreas
    top Tooth

    Recommendation sources
    WHO/IARC/RITA NACAD STP
    ameloblastoma [acanthomatous] (M) ameloblastoma [acanthomatous] (M) ameloblastoma [acanthomatous] (M) ameloblastoma
    odontoma, ameloblastic (B) odontoma, ameloblastic (B) odontoma, ameloblastic (B) ameloblastic odontoma
    odontoma [complex; compound] (B) odontoma [complex; compound] (B) odontoma [complex; compound] (B) odontoma
    fibroma, odontogenic (B) fibroma, odontogenic (B) fibroma, odontogenic (B)  
    tumor, odontogenic, benign (B) tumour, odontogenic, benign (B) odontogenic tumor, benign (B)  
    tumor, odontogenic, malignant (M) tumour, odontogenic, malignant (M) odontogenic tumor, malignant (M)  

    top Tongue; Oral Cavity, NOS

    Recommendation sources
    WHO/IARC/RITA NACAD STP
    hyperplasia, squamous cell (H) hyperplasia, squamous cell (H) hyperplasia, epithelial [squamous cell] (H) hyperplasia
    papilloma, squamous cell [fibromatous] (B) papilloma, squamous cell (B) papilloma [squamous cell; fibropapillomatous type] (B) papilloma
    carcinoma, squamous cell (M) carcinoma, squamous cell (M) carcinoma, squamous cell (M) squamous cell carcinoma

    top Salivary Gland: Glandula Mandibularis; Glandula Parotis; Glandula Sublingualis; Salivary Gland, NOS

    Recommendation sources
    WHO/IARC/RITA NACAD STP
    focus, hypertrophic, basophilic (N)   hypertrophic foci, basophilic (N) basophilic hypertrophic foci
    hyperplasia (H) hyperplasia (H) hyperplasia (H)  
    adenoma [acinar; mixed; solid; tubular] (B) adenoma [acinar; mixed epithelial type; solid; tubular] (B) adenoma [acinar; mixed epithelial type; solid; tubular] (B) adenoma
    adenocarcinoma [acinar; mixed; solid; tubular] (M) adenocarcinoma [acinar; mixed epithelial type; solid; tubular] (M) adenocarcinoma [acinar; mixed epithelial type; solid; tubular] (M) adenocarcinoma
    metaplasia, squamous cell [keratinizing; non-keratinizing] (H) metaplasia, squamous cell [keratinizing; non-keratinizing] (H) metaplasia, squamous cell [keratinizing; non-keratinizing] (H)  
    carcinoma, squamous cell [keratinizing; non-keratinizing] (M) carcinoma, squamous cell [keratinizing; non-keratinizing] (M) carcinoma, squamous cell [keratinizing; non-keratinizing] (M) squamous cell carcinoma
    tumor, mixed, benign (B) tumour, mixed, benign (B) mixed tumor, benign (B)  
    tumor, mixed, malignant (M) tumour, mixed, malignant (M) mixed tumor, malignant (M)  

    top Esophagus

    Recommendation sources
    WHO/IARC/RITA NACAD STP
    hyperplasia, basal cell (H) hyperplasia, basal cell (H)    
    hyperplasia, squamous cell (H) hyperplasia, squamous cell (H)    
        hyperplasia, epithelial [squamous cell; basal cell] (H) hyperplasia
    papilloma, squamous cell (B) papilloma, squamous cell (B) papilloma, squamous cell (B) papilloma
    carcinoma, squamous cell [exophytic; endophytic] (M) carcinoma, squamous cell [exophytic; endophytic] (M) carcinoma, squamous cell [exophytic; endophytic] (M) squamous cell carcinoma
    tumor, basal cell, benign (B)      
    tumor, basal cell, malignant (M) carcinoma, basal cell (M) carcinoma, basal cell (M)  

    top Forestomach / Non-glandular Stomach

    Recommendation sources
    WHO/IARC/RITA NACAD STP
    hyperkeratosis (N)   hyperkeratosis (N) hyperkeratosis
    parakeratosis (N)   parakeratosis (N) parakeratosis
    hyperplasia, basal cell (H) hyperplasia, basal cell (H)    
    hyperplasia, squamous cell (H) hyperplasia, squamous cell (H)    
        hyperplasia, epithelial [squamous cell; basal cell] (H) hyperplasia
    papilloma, squamous cell [keratinizing; non-keratinizing] (B) papilloma, squamous cell [keratinizing; non-keratinizing] (B) papilloma, squamous cell [keratinizing; non-keratinizing] (B) squamous cell papilloma
    carcinoma, squamous cell (M) carcinoma, squamous cell (M) carcinoma, squamous cell (M) squamous cell carcinoma
    tumor, basal cell, benign (B) tumour, basal cell, benign (B)    
    tumor, basal cell, malignant (M) carcinoma, basal cell (M)    

    top Glandular Stomach

    Recommendation sources
    WHO/IARC/RITA NACAD STP
    hyperplasia (H) hyperplasia (H) hyperplasia, epithelial [fundic] (H) fundic hyperplasia
          focal hyperplasia
    adenoma [endophytic; exophytic] (B) adenoma [endophytic; exophytic] (B) adenoma [endophytic; exophytic] (B) adenoma
    adenocarcinoma [signet ring cell] (M) adenocarcinoma (M) adenocarcinoma [signet ring cell type] (M) adenocarcinoma
    (see GUPT*: hyperplasia, neuroendocrine cell) hyperplasia, neuroendocrine cell (H) hyperplasia, neuroendocrine cell (H) neuroendocrine cell hyperplasia
    (see GUPT*: tumor, neuroendocrine cell, benign) tumour, neuroendocrine cell, benign (B) neuroendocrine cell tumor, benign (B) benign neuroendocrine cell tumor
    (see GUPT*: tumor, neuroendocrine cell, malignant) tumour, neuroendocrine cell, malignant (M) neuroendocrine cell tumor, malignant (M) malignant neuroendocrine cell tumor
          neuroendocrine cell tumor
    (see GUPT*: leiomyoma)     leiomyoma
    (see GUPT*: leiomyosarcoma)     leiomyosarcoma
    (see Mononuclear Phagocytic Tissue: sarcoma, histiocytic)     histiocytic sarcoma
    (see Hematopoietic Tissue: lymphoma, malignant)     lymphoma
    (see Hematopoietic Tissue: lymphoma, malignant)     lymphosarcoma
    (see Pericardium, Pleura, Peritoneum: mesothelioma, malignant)     mesothelioma
    *: GUPT = Generally Used Preferred Terms

    top Intestine: Duodenum; Jejunum; Ileum; Small Intestine, NOS; Cecum; Colon; Rectum; Large Intestine, NOS

    Recommendation sources
    WHO/IARC/RITA NACAD STP
    hyperplasia [atypical; reactive] (H) hyperplasia [atypical; reactive] (H) hyperplasia, epithelial [atypical; reactive] (H)  
          hyperplasia
          reactive hyperplasia
          focal atypical hyperplasia
    adenoma (B) adenoma (B) adenoma (B) adenoma
    adenocarcinoma [mucinous] (M) adenocarcinoma (M) adenocarcinoma [mucinous] (M) mucinous adenocarcinoma
          adenocarcinoma *
    metaplasia, squamous cell * (N)   metaplasia, squamous cell * (N) squamous metaplasia *
    carcinoma, squamous cell * (M)   carcinoma, squamous cell * (M) squamous cell carcinoma *
    *: large intestine only

    top Liver

    Recommendation sources
    WHO/IARC/RITA NACAD STP
    focus of cellular alteration [amphophilic; basophilic, diffusely; basophilic, tigroid; basophilic/eosinophilic mixed; basophilic, NOS; clear cell; eosinophilic] (H) focus of cellular alteration [amphophilic; basophilic, diffusely; basophilic, tigroid; basophilic/eosinophilic mixed; clear cell; eosinophilic] (H) focus of cellular alteration [amphophilic; basophilic, diffusely; basophilic, tigroid; basophilic/eosinophilic mixed; clear cell; eosinophilic] (H) foci of cellular alteration
    hyperplasia, hepatocellular, regenerative (H) hyperplasia, hepatocellular, regenerative (H) hyperplasia, hepatocellular, regenerative (H) regenerative hyperplasia
    cholangiofibrosis (H) cholangiofibrosis (H) cholangiofibrosis (H) cholangiofibrosis
    cholangiofibroma (B)      
    hyperplasia, oval cell (H) oval cell proliferation (H) hyperplasia, oval cell (H) oval cell hyperplasia
    adenoma, hepatocellular (B) adenoma, hepatocellular (B) adenoma, hepatocellular (B) hepatocellular adenoma
    carcinoma, hepatocellular [acinar; solid; trabecular] (M) carcinoma, hepatocellular [acinar; solid; trabecular] (M) carcinoma, hepatocellular [acinar; solid; trabecular] (M) hepatocellular carcinoma
    hyperplasia, bile duct [cystic] (H) hyperplasia, bile duct [cystic] (H) hyperplasia, bile duct [cystic] (H) bile duct hyperplasia
    cholangioma (B) cholangioma [cystic; simple] (B) cholangioma (B) cholangioma
    cholangiocarcinoma (M) cholangiocarcinoma (M) cholangiocarcinoma (M) cholangiocarcinoma
    adenoma, hepatocholangiocellular (B)   adenoma, hepatocholangiocellular (B) hepatocholangiocellular adenoma
    carcinoma, hepatocholangiocellular (M)   carcinoma, hepatocholangiocellular (M) hepatocholangiocellular carcinoma
        karyomegaly  
        cystic degeneration  
        angiectasis  
        ectopic pancreas  

    top Pancreas (exocrine)

    Recommendation sources
    WHO/IARC/RITA NACAD STP
    hyperplasia, ductal cell (H) hyperplasia, ductal cell (H)    
    hyperplasia, acinar cell (H) hyperplasia, acinar cell (H)   focal acinar cell hyperplasia
        hyperplasia, epithelial [ductal, acinar] (H)  
    adenoma, ductal cell (B) adenoma, ductal cell (B)    
    adenoma, acinar cell (B) adenoma, acinar cell (B)   acinar cell adenoma
        adenoma [ductal, acinar] (B)  
    adenocarcinoma, ductal cell (M) adenocarcinoma, ductal cell (M)    
    adenocarcinoma, acinar cell (M) adenocarcinoma, acinar cell (M)   acinar cell carcinoma
        carcinoma [ductal, acinar] (M)  
    focus, hypertrophic, basophilic (N)   focus of cellular alteration, basophilic (Synonyms: hypertrophy; focal basophilic alteration) (N) focal basophilic alteration

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    Last Update: 21-Jun-2000