the right gut by its common coate and proper vessels. It is of a cold and dry temper.
The use and action thereof is by the fibers continually to draw the urine, and containe it as long as neede requires, and then to expell it by the necke, partly by compression either of it selfe, or rather of the muscles of the Epigastrium and Midriffe, because this motion, seeing it is voluntary cannot be performed unlesse by a muscle which the bladder wants; partly also by the dilatation and relaxation of the sphincter muscle composed of transverse fibers, like the sphincter of the fundament, after the same manner to shut up the orifice of the bladder, that the urine flow not out against our will. But the bladder as it fils is dilated, but as it is emptied, it is contracted like a purse. You may easily observe this Muscle in a Sowes bladder, it is stretched from the orifice of the bladder and beginning of the urinarye passage even to the privities even in women; but in men it is terminated in the Perinaeum, as soone as it hath left the right Gut.
Besides, this muscle is thus farre stretched forth, that the urine by its compression should be wholy pressed out of the bladder, which by too long stay would by its a∣crimony doe some harme. This is the common opinion of Anatomists concer∣ning the Sphincter of the bladder, which never-the-lesse Fallopius allowes not of. For (saith hee) if this muscle should bee scituate beneath the glandulous bodyes, the seed in copulation could never be cast forth without some small quantity of urine. Wherefore he thinkes that this muscle is scituate above the Prostats, and that it is nothing els but the beginning of the necke of the bladder, which becoms more fleshy whilest it is woven with transverse fibers.
[illustration]
The eleventh figure of the bladder and yarde.
AB, 1, 2, 3, 4, 5, 7, 9. The two bodies which make the yard.
CC 2, 3. The place where these two bodies do first arise.
D 1, 2, 4, 5, 7, 9. The nut of the yard called glans penis.
EE 4, 5. The fungous and redde substance of the bodies of the yard.
F 4, 5. The mutuall con∣nexion of the bodyes of the yard, and the nervous outward sub∣stance of the same, compassing round a∣bout the former fun∣gous substance.
G 1, 2, 3, 4, 5, 7, 9. The pas∣sage of the urine, or common pipe running under the yarde all a∣long his length.
H. I. 1. 2. The first paire of Muscles of the yarde, which in the first figure doe yet grow to it, but in the second they hang from their originall. K. L. 1. 2. The second paire of Muscles of the yard, in the first figure gro∣wing, in the second hanging from their insertion. M 1. 2. The sphincter of the right gut. N 3, 7, 8, 9. The round sphincter Muscle of the bladder. O O, A Membrane