46 LABORATORY METHODS OF 



T. S. BONE. 

 1, Haversian canal; 2, lacunae; 3, canaliculi. 



parts : H aversion system, Haversian canals, latmellae, 

 lacunae, canaliculi and bone cells. The Haversian sys- 

 tem is composed of Haversian canals, a number of 

 canaliculi, a number of lamellae and a number of bone 

 cells. The cells lie in the bone matrix in much the 

 same way as they do in the cartilage matrix. The 

 lacunae are also very much the same. The bone cells 

 send out processes for the purpose of conveying- nutri- 

 ment to all parts of the bone ; these processes are called 

 canaliculi. The Haversian canals cafry the small 



