THE MICROSCOPE IN PATHOLOGY. 269 



Myxomata occur in subcutaneous and intermuscular 

 connective tissue, in fasciae, medulla of bones, and in the 

 interior and vicinity of glands. A myxoma of the pla- 

 centa has been described as a vesicular mole, consisting 

 in a hypertrophy of the mucous tissue of the tufts of the 

 chorion, producing tumors, varying to the size of a cherry 



FIG. 218. 





Hyaline myxoma of the subcutaneous connective tissue in the neighborhood of the 

 angle of the jaw. 1-3CO. After RIXDFLEISCH. 



or larger ; the whole mass may attain the size of a man's 

 head. The fetal development in such a case varies ac- 

 cording to the mass of the tumors. 



c. Vascular Connective Tissue Forms. 



1. Angioma, or vascular tumor, is composed of blood- 

 vessels held together by a small amount of connective 

 tissue. The angiomata include the various forms of nsevi, 

 the erectile tumors, and aneurism by anastomosis. 



(1.) Capillary angioma, naevus vasculosus, or teleangiec- 

 tasia, is generally congenital. It occurs oftenest on the 

 skin, in the papillary layer (mole, mother's mark, etc.), 

 although it may occur in other structures. It may vary 

 in size from that of a millet-seed to the occupancy of the 

 entire face or extremity. It is flat, lobed, generally bluish 

 or dark red, and consists of tortuous, varicose, or aneuris- 

 mal capillary vessels and wavy connective tissue. 



