TIM: ORG kN8 OP TIM-: M 



391 



directed to tlit- mm -iriate mu>cl<- lihres contained in 

 it. or a -hoi-telling of the connect ive 1 18806 coi d ly gradual shrii. 

 wa> as-umed. I'.nt it i- impossihle tor thi- \'-ry important change 

 in position to ha\e taken place in that manner. ( >ne therefore 

 rightly s . -ks t explain the agency of tin- ligament in another \\a\, 

 without. assuming an acti\e shortening or a tract ion -1 hy 



muscular action. \\ e have to do here -imply with proces- 

 nnc(|ual Drouth. WlnMi. out of several organs originally lyin^ 1 

 one another in th- .saint- region of tin- lio:ly. cvrtaiii ones in later 

 months of nnhi-yoiiic life incrca-.- in si/r Less, \\liil--iith-rs.nn t h<- 

 contrary, ji-ow r.\t i-aonlinarily in length, the natural c'linsiMjut-r.. 

 that the nioi-e raj.i.lly rnwinjr parts are >hove 1 ] a-t thos,- that 



Tig. 224. Two diagrams to illustrate the descensus and the formation of the envelopes of the 



testis. 

 A, The testis lies in the vicinity .if the inner abdominal nil-. B, Tlu- t.-t:> lia 



8crotini. 

 1, Skin ( the abdomen; 1', scrotum \\ith tunica .larto^; '.'. .Mipfi-tii-ial at>,'nminal fa- 



COOPER'S fascia; 3, mu>i-!.--lav..r ami fa>. ia tian-\n>a al)d<>mini.^ ; :/, tunica va- 



conimunis \\itli |friti>n.-jim ; l'_ parietal layer <>f tin- tunica va^iiiali> ]ir.'jiria; 



4", jK-ritniu-ai in\i>tmcnt of the testis or visceral layer of the tunica 

 linal or abdominal ring ; h, testis ; *l, vas deferens. 



more slowly. If, now, in the present case the skeletal parts and 



their accompanying niusclrs in the luinhar ami p.-lvic regions liecome- 

 eloiiiiated. wliile the Ilunteiian ligament does not grow and ti 

 fore remains short, the latter m ce>> trily ! -cause one of it- end- 

 is attached to the skin of the- iniruinal reirion and tlie other to the 

 testis -drawfl down the te.stis as the ino\ahle part; it dniws the 

 at lir.st gradually into the cavity of the fal>e pelvis, and finally, 

 when the other paii> have IM--, me still lartr-T. whc-n at th< 

 time the ahdominal wall ha> hecome much thicker, into the vicinity 

 of the inner ahdominal rini: (li^r. 223). 



The testis migrates still larther in con>e|uenco of a >econd juvx-ess, 

 which hei^ins ev n in the >ccond month. Kor th'-rc is formed at the 

 }>lace wliere I! r\ 1 1 :i:'s ligament travel-so the wall of the abdomen 

 an e\ agination of the perifun'iim. the ^ /(>-- ^ ''met 



