16 IT I T C II COCK'S ANATOMY 



49. Intestinal Fluid.— The intestinal fluid, a colorless, 

 tenacious fluid, with strong alkaline reaction, whose function 

 is to assist in digestion. Secreted by the epithelial cells of 

 the intestinal follicles. 



50. Milk.— Milk, a 

 glandular secretion, 

 showing under the mi- 

 croscope an immense 

 number of fat globules, 

 suspended in a clear 

 fluid, as in fig. 4. 



51. Saliva —Saliva, 

 a secretion chiefly from 

 the parotid and submax- 

 illary gland into the 

 mouth, to assist in diges- 

 tion. 



52. Bile.— Bile, a 

 greenish or brownish 



bitter fluid, secreted by the liver to assist in digestion. 



53. Pancreatic Juice. — -Pancreatic fluid, a colorless, taste- 

 less, but somewhat alkaline fluid, secreted by the pancreas to 

 aid in digestion. 



54. Urine, — Urine, secreted by the kidneys. 



55. Tears.— Lachrymal fluid for lubricating the eyeballs, 

 secreted by the lachrymal gland. 



56. Oil and Wax. — Sebaceous secretions, fatty fluids thrown 

 out by w r hat are called the sebaceous follicles of the skin, to 

 keep it moist. 



57. Sweat. — Perspiration, or sweat, a colorless, watery 



49. What is the Intestinal fluid ? 50. How does milk appear under the microscope? 

 51. What is the origin and use of saliva? 52. State the secretion of the liver. 53. &c, 

 Describe Pancreatic Juice. Urine. Tears. Oil and Wax. 57. From what glands is 

 sweat produced ? 



Fig. 4. 



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