470 



NORMAL HISTOLOGY AND ORGANOGRAPHY. 



cover glass. Fix and stain as for blood. A spread 

 may be made from the end of the femur or any of the 

 long bones. 

 Blood-vessels. 



1 . Sections of the aorta. 



2. Small arteries can be found in sections of the 

 tongue or any other organ. 



3. Sections of any large vein. 

 Lymphatics, Thymus Gland, Spleen. 



1 . Sections of lymphatic nodes. 



2. Sections of thymus gland. 



3. Sections of the spleen. 



These tissues must be cut thin and not overstained. 

 Digestive System. 



1 . Teeth. Ground sections, technique as for bone. 



2. Tongue. Section foliate papillae of rabbit for 

 taste buds. 



3. Cross section of esophagus. 



4. Sections of cardiac and pyloric end of stomach. 



5. Small intestine. Injected specimen must be 

 cut thick. 



6. Sections of ileum for Peyer's patches. 



7. Large intestine, including vermiform appendix. 

 Digestive Glands. 



1. Sections of parotid and submaxillary gland. 



2. Pancreas. Injected pancreas for areas of 

 Langerhans. 



3. Liver, including sections of injected organ cut 

 thick. 



Organs of Respiration. 



1 . Sections of thyroid gland. 



2. Sections of trachea. 



