240 A Study of the Structural Unit of the Liver 
TABLE I. 
Giving the vascular bed of the dog’s small intestine. (Mall, Abhandl. d. 
K. S. Ges. d. Wiss., XXIV, 1887.) 
Area 
Vessels Number Diameter of 
Section 
mm. sq. mm. 
(US UMerIOGEMIeESENMLELIC ac vererroreneretelenerst cite il 3.0 7.07 
2A INET AN CHES os sieve oirela a otetoraes si onelots teucveyte 155 1.0 11.78 
MenmMina la pranches tre sernsetec everest tens 45 6 12.72 
Short intestinal’ arteries = sacra. ser 1,440 .08 7.24 
on snintestinal arteries. cecaeccis ec 459 192 13.29 
Long and short intestinal arteries..... meee hee 20.53 
Terminal branches of short intestinal 
ATTETICSEs crs te So cin trtete eer rae 8,640 .05 16.96 
Terminal branches of long intestinal 
ATEETIES bi 13.5 etecheeedene arate vecalev a eucus\eusi eres 18,000 .053 39.71 
[oie Rotaleterminal branches. erie etic 26,640 aie 56.67 
From the submucosa to the crypts..... 4,000,000 .008 201.06 
From the submucosa to the villi...... 328,500 301 247.94 
AT FErICSHOL, the: avallllit-eva a vacteutete ee ieee 1,051,000 0225 “417-97 
: Q Upper one-bhinds eae 31,536,000 008 1,585.17 
Capillaries! yrer Gaethind 46h aeeeee 15,768,000 005 309.6 
[4] Total capillaries of crypts and villi.... 51,304,000 arene ROO BESS 
Weins of ther Villit 23 Reena 2,102,400 .0265 1,159.57 
Veins penetrating the muscularis mu- 
GOSH ah sia alive od Ree a Oe LA taeteetioe 131,400 .075 580.51 
Terminal branches in the submucosa. . 18,000 .128 231.62 
Anastomoses in the submucosa........ 2,500,000 .032 2,010.62 
Terminal branches of the long and 
shortuintestinal veins) 2. 422s el cr 28,800 .064 92.65 
one aNcCEStINal Velie. ciate acierie et 459 44 69.79 
SHoreanbtestimialeviei sr acre miei rier 1,440 112 14.19 
Last branches of superior mesenteric 
VC LIMP Ee tawens ck vet at's So. siaraaus creuthaterenethonas 45 15 79.52 
Branches of the mesenteric vein....... 15 2.4 67.56 
IMESENTECICG Vieille). ste iciscoscce ei vie @ ee lene che a 6.0 28.27 
MUSCLE COATS. 
[sls DirectwmiuUsclemartenlesays. o's wie < ite erste 1,800 .03 1.27 
[3] Recurrent muscle arteries.-.....-..... 3,600 .04 2.54 
Capillariesworethencinreulanisi: .. 1... 27,000,000 .003 190.85 
Capillaries of the longitudinalis....... 9,000,000 .003 63.62 
[4 eMotalzcapillawiesmererrc cick emis. clelaesn. 36,000,000 Bate 254.47 
iSite [omecmivc ddcd cca qs occ ano Td aomomor 3,600 112 35.46 
