CH. II] DARE-GROUND ILLUMINATION WITH HIGH POWERS y6i 



(d) Chylomicrons appear everywhere like bright points in the empty spaces 

 between the corpuscles. They are in every active Brownian or pedetic move- 

 ment. These chylomicrons will probably be the most unusual part to those study- 

 ing blood with the dark field for the first time. The term Chylomicron is from 

 two Greek words, xO\6$ (chylos) juice or chyle, and fj.tnp6v (micron), any small 



TASTING 



CMYLOMICPONS 



FIBRIN 



UCOCYTCS 

 THDOMBOCYTCS 

 COYTMBOCYTES 



TASTING. 



E BYTttBOCYTtS 



FIG. sof. FRESH BLOOD WITH BRIGHT-AND WITH DARK-FIELD. 

 (x 400 DIAMETERS.) 



In the illustration the chylomicrons, the fibrin, the thrombocytes and leucocytes 

 are too definite in the bright field, but their appearance is not exaggerated in the 

 dark field. 



thing. In modern metrology it signifies the millionth of a meter ( 246). I have 

 introduced this word to show the origin of these bodies from the chyle, and to in- 

 dicate their average size. In 1840-1842, Gulliver called these minute granules the 

 "molecular base of the chyle" and showed that they were identical in the thoracic- 

 duct and in the blood vessels of the same animal. He gave their average size as 



