AN DYFAMILY DISPENSATORY, 83 
are carried obliquely above:the ureters to the roins; but inotheir progrefs they are 
joined by infinite anaftomofes or inofculations: fo that, the arteries are fo coupled 
ewithin the coats.of the veins, as if they were but one vefiel, and they are knit toge- 
ther by a membrane arifing from the peritoneum, and afterwards cartied tothe begin. 
ning of the tefticles, like a tendril of a vine, being fo interwoven thaca curious eye 
cannot diftinguith a vein from an artery. Thisintertexture of veins. andatteries be- 
ing the twiftings of the va/a preparantia, makes a long, thick, glandulous, but hard, 
cord, called corpus varicofum, which is without any remarkable cavity “Phete veils 
_ do not pafs through the peritoneum, as in dogs, but are carried between its double 
coat, with a fmall nerve from the par vagum and the mufele cremafter, and, paffing 
to the bottom of the tefticle, end at the vas deferens. Thel arteries carry blood and 
fpirits (in whofe admirable windings they are more elaborated) ro'the tefticles, from 
whom they have a virtue feminal : with this blood the tones ate nourifhed, and pare 
of it becomes feed: the veins are clofely interwoven with the arteries about the 
tefticle, and joined to them by mutual anaftomofe ; that they may carry back the 
blood which remains unto the left emulgent, or to the vena cava on the right fide, 
from whence the fpermatic vein commonly fprings. If one or both the fpermatic 
-arteries be injured, or wanting, as they are fometimes, fuch perfons doubtiels can- 
not get children, but muft neceffarily be barren. : dlitsre ban 
- 0 The tefticles in men, are glandulous bodies, Aagey, fpungy, foft, and white, with- 
‘out any cavity, full of {mall veins and arteries, fuch as are not in any other part of 
the body. ‘Their figure is oval, but it fometimes varies, according to the turgency 
of any of the neighbouring veffels. The right tefticle is hotter, and better concotts 
the feed, than the left: becaufe the former receives the artetial blood immediately 
from the aorta, the latter from the emulgent. They are feated externally without 
the abdomen, under the belly, at the root of the yard, in the fcrotum or covering : 
being commonly in men anfwerable tothe bignefs of a fmall hen’s egg. The mem-_ 
branes being taken away, the fubftance of the tefticle'comes in fight, upon which, 
athwart, is placed a fmall body, called corpus vermiforme, to the 2.8 end whereof 
cleaves the vas /permaticum deferens, the carrying fpermatic veffel, which enters into the 
fubftance of the tefticle, and empties the feminal “matter thereinto: from the other 
‘end arifes the’ was gaculatorium, which in the beginning is full of turnings and 
windings, and cleaves firmly to the tefticle, by its ends, being loofe, and feparate 
in its middle. They have vefiels of all 
the twenty Set pai ofthe pina arrow, which, being conjoined withthe 
tic veffels, are carried with-them through the production. of the peritane 
fometimesalfo they have two nerves from is 
