v// /: M.\ 1. i: < , i:\ i TA \. ORGANS. 871 



COMPABI3ON OF THE GENITAL ORGANS OF MAN WITH THOSE OF ANIMALS. 



Coverings of (lit leflii-l'-s. The scrotum. i1<irlu.<. tnnii-a rri/tlu //./,/,<. mid tunica 



tU have the same organisation as in Solipeds. The scrotum i.s ri-li in sel.a<'< uu.- 



u'l.iiuls. iiiul tin 1 tunica va.'inalis is separated by a .-emus layer from the peritoneal cavity. 



/.>-//</! s. - 'I 'In -~e an; ovoid, and situated in an oblique direction downwards and 



inwards; their lu:-_'. .-t cur\atnre is forwards. 



The rfii'liili/ni''i! oll'i'is tin- s mie arrangement as alr< -ady noticed, except that the vns 



deferens, in hi-iiii; detached from the globus minor, i.-. IM-M! .-nmewhat suddenly i> reach 



the abdominal cavity. There are several divertieuli mint xcd to the ei>ididyniis. named 



licitlnt' '/ hi/<l<ittil of Murijuijni, non-}>eili<-uhittil hyilutid aberrant vessels, and corpus 



ihmtniit of ( iiraldi'.s. 



Fig. 406. 



SKCTMN "i rin.vis TO TIII: I.KIT or Tin: MKDIAX LINK AT TIIK PUUI-S, AND 



nir.iit;<ii! TIIK MIDDLK OF THK SACRUM. 



1, S.-ction of left pubic bone; 2, Peritoneum on bladder ; 3, Left crus penis; 4, 

 IVhic i';i-ri i funning :uitfridi- li^.-uni-nts nf bboliler ; 5, Part of accelerator 

 urinae ; 6, Posterior layer of triangular ligament forming the capsule of the 

 prostate ; 7, Anterior layer of triangular ligament ; Between 6 and 7 are seen 

 the membranous urethra, deep muscles of urethra (insertion), and Cow)>er's gland 

 of the l-:t -il.:; 8, Vas deferens; 9, Bulb of urethra; 10, Rectum; ,1. Cut 

 edges of accelerator urine and transversus perina-i ; U. Left ureter; 1.'?, !; 

 ti"U of deep layer of suj>erfi<-ial fascia round transversus |><-n;i.-i-i ; 11, Left 

 ,ia seminalis ; 1">, Cut edge of levator ani ; 1G, Rectum ; 17, Prostate gland. 



The hyilntid of Morrjarini is a little projection at the head of tin- opididymia, filled 

 with a serous fluid whi'-li is II.'MT mixed with the semen. Tin- Mft-fMtifoitlafed luj lniiJ 

 is a small white mass wliii-h rixi-s from tin- tfstii-li- at some distance from the globus major; 

 it lias a cavity that coiiniiunirati-s with tin- dm-t of tin- i pididyniis. Tin- //'/ mint vessels 

 are fino hVxii"nM dtn-ts uivrn ot) from tin- globus minor, und soon trriuinati' in a cul-<le- 





tac. Tbo rorpu innoininnlmu of (Jirald.-s is a .-mall mass of ramifying tnlM-s inrludcil 

 in the connective tissue uniting tin- tflobti.s m ijor to tin t. stiele. All these appendages 

 of th" t. -tide or epididymis. an- the remiiin> ot tin- \Vollliaii l>ody. 



is not united to its fellow by a j>eritoiical fold; it is slightly 



dilated on' arriving at the neck of the bladder, as in t;,e Horse. The veaii-uho sominalea 

 ind tabulated on their i In l;nminants. 



I i-iinal bat a fixed and a free |>,.riion : the lirst is -lightly iuelined 

 downwards and forwards; the second ia sudde.dy inib cted, and. witli ti.e preoedinjr, 

 forms the pr.-pn''ie an^le, which difappeirs will, ere.-tiou. Its di.uneti r in.-nvi.s,.. u lit:).- 

 at the 'HI//-, and a'_'ain at the mealii-. to f..ri' I .ir/Vu/.ir/'/i. It- erectile en 



'.!. nbirjrement at its commencement thu bulh. nnd (bin is oovered, 

 :.y the accelerator urinw; it also compooe* anoth.-r. the ylnn*. that 



