94 THE PHYSIOLOGY OF REPRODUCTION 



the bitch's uterus, describes the mucosa as growing to three or 

 four times its normal thickness, but this observation has not been 

 confirmed. The growth is accompanied by enlargement and conges- 

 tion of the capillaries, which at the same time become more 

 numerous. 1 The vessels in the surrounding muscular tissue also 

 tend to enlarge. The epithelium undergoes no material change so 

 far as seen. In the case of the ferret the uterine cavity is described 

 as becoming markedly reduced in size, while the glands are stated 



[!>/!/ III. 



j 



KK.. 1 I. Sfrtion tlinui^li pi-mot iu> uterine mumsa i>f dojj. (l-'nmi 

 Mai-hall ;inl -lolly.) 



' '. /'/., K\t lavasatcd Mood I-.I|-JIIIM-|I-> ; fi'ilifni., |H >\ yill< !] ill : Ml*., 



iA- arti\ily. 



t> iiin'i^r^" .111 ,i|'|orial'lc swelling MOompanied by an increased 

 -rrrctiiry ;i'-tivity. 



(.',) /'. riod "/ ' /> *'i !'<( lint. The walls of the stretched blood-vessels 

 break down, and red corpuscles, accompanied by leucocytes, become 

 pxtravas;itpil throughout the stnnna. Soim- of the vessels, however, 

 iviuain intact. The breaking down of I i'jiears to occur fairly 



uniformly throughout the stnuua instead of lirinir restricted to any 

 particulai portion. The extravasated Mood for the most part collects 

 immediately l.elow the superficial ojiitheliuin. but it is not aggregated 

 in large lacuna-like spaces, such as Heap.- lias described in the monkey. 



1 ('/. UrttiTrr, /". <-it.: a!-. Ki-ifli-r. "La Km mat i<m < ilandulaire de 

 ," Annul'-* r>riilvti,t, is'.t'.i ; and Bonnet, 



ir Embrjologie det Huudt-s.' Anat, ///>. \\. .\.\.. I:OL'. 



