National Toxicology Program

National Toxicology Program
http://ntp.niehs.nih.gov/go/9405

Necropsy List

A complete gross necropsy is an external examination of the animal including body orifices and examination and fixation of all of the following organs/tissues from animals from all treatment groups for histopathologic examination:

  • Adrenal glands
  • Brain
  • Clitoral glands
  • Esophagus
  • Eyes
  • Femur
  • Gallbladder (mouse) 
  • Gross lesions
  • Harderian glands
  • Heart and aorta
  • Intestine, large (cecum, colon, rectum) 
  • Intestine, small (duodenum, jejunum, ileum) 
  • Kidneys
  • Liver
  • Lungs and mainstem bronchi
    • mandibular and mesenteric
    • bronchial & mediastinal (inhalation studies)
  • Mammary gland with adjacent skin
  • Muscle, thigh
  • Nerve, sciatic
  • Nasal cavity and nasal turbinates
  • Oral cavity, larynx and pharynx
  • Ovaries
  • Pancreas
  • Parathyroid glands
  • Pituitary gland
  • Preputial glands
  • Prostate
  • Salivary glands
  • Seminal vesicles
  • Skin, site of application (dermal studies)
  • Spinal cord
  • Spleen
  • Stomach (forestomach and glandular)
  • Testes, epididymides and vaginal tunics of testes
  • Thymus
  • Thyroid gland
  • Tissue masses
  • Tongue
  • Trachea
  • Urinary bladder
  • Uterus
  • Vagina
  • Zymbal glands
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.