Anatomical studies No. 53. Local thickening of the vascular system in a horse

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.\'ombl'r 2. :lpril, 19:FJ.

Anatomical Studies, No. 53.

Local Thickening of the Vascular System in a Horse.

B~· .)1. lif. J.A)il:iE uud C."·· A. J3ELU'XJ};, Fa1·11lty ot \'<'t<'ri1"""'.

S1·iem·e, l" ni1·e1·,it~· of l¹1·et•ll'ia.

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i!):_l:l. ^101· 1li_s,ecti11e- JJHl'J>t•St's, was fo1111tl tu sht•\\ th" iull11wi11J.!

luc·ali~~il th ick1J11 iul(l; of I he rns•·u lar s.r~te1u of tlit• linths :-

f,i:Jt Fore £,i111'1. Arteriu/ Syste1n: The1·e was a strikiu:.r inc1·ease i11 the thi('k11~ss uf thl' wt\ll uf the A. 111r•dio11a i1111111.!1liatel~· tli-;t:d to the origi11 of tbe d. inlcros.iea co11111111u;i.•. This continued along th!.!

d. divilali.; 1·1111111u111i.<, l1ut he~arue Les~ mal'ketl nloug the ^..Iii.ihui- trde.i •1111•din(i$ et la.fi'r11li~, anll eve1ttuall~- 1lisnppeurecl. T'('llOll-<

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w:is a slight increns<' ill i Ile walb of the l;·c. di r1ita.le$ 111.edial ^{is c·t} /olerflfi$. '!'his was mauifl'sl iu tht' upward clirectiou as far a,; tbf' 17. eepllfllic-.• bmc:liii. hut in the region ol the

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cephn.liect<1-ntibmohi·i, the t hi1·kelling of thP wull i·e11f'he1l its mnximmn n111l nppearetl ••rter,1·- like.

Riy/il Fure• f,im./1. J.l'lcrial S~v-<t.-111: Herl.! tilt' thi~keni11µ- (If tbe wall was PYi1! .. 11t proximal to the elbow joint. i.e. ii' i1n·oh-ed the .-1. lirarhialis. nnJ this was co11ti1111erl a~ !111· cli~tul a~ the 111etncarpt1- pb11!1111g-t•al j11i111. Ct wiis. huwe1·er·. most emphnsiseil fl'om the Yiriuit.'·

uf' the proxi11111l third of the nulius to the 1·11rpus, i.P. thl' ..!. 1111•di1111f(.

1'('111111.< ·'11ste111: Uel't• thp extent

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from ahout 10 cm. pi-oxim:tl to lhP .4rr11s 1·1'11os11s /l/1111lari.< di.<lflli.<;

(2) T'. ll>f'lfllflr.<('11 pl1111f<1ri.< .<11pCrf11·i11/i.< /11/,-rn/i.<: (;I) I'. rl'<;111·1w1.<

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w11hc•1111 ;;howl'd both al101·e th ..

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l11wk Hiid ho•low lht' l11wk (wlu.•11 '1ill ih1• I" 1111·/11/11/'.'l'll 1"1r.<11/i.<

1111·dioli.~1 1\\·o lueali:'t•1l a1·l·~1:-ol Ul:il'kl'tl tlii1·keui11g- ut tilt• \\·all.''' did

th•• 1·. rrc111·r''"·" tiDioli . .-. _.\ 1h1·01nl•t1' ("r111..:;i.;.ti11J! tit' fih1·11\t:-- 1i ... u.- 11!·1·luol1•d tho• h11111•11 of lh<' 11101'€ ,<t1pt'1'li1·ial of lh" l\\'o I'. lilmi/1.<

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