Diseases & disorders of the horse : a treatise on equine medicine and surgery : being a contribution to the science of comparative pathology

280 Pages·1886·18.467 MB·English

by  Gresswell, Albert, Gresswell, James Brodie, Gresswell, George

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DISEASES AND DISORDERS OF THE HORSE.

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Fig. I.—The Digit with the Hoof REaioviiD, flexed and viewed from behind
A. Sensitivesole; B. Sensitive laminae that were intqrleaved with the horny laminae of the bar
F.Thepyramidalbody,orsensitivefrog; L. Laterallacunaofthesame; M. Medianlacunaofthe
same; Q. Q. Fibroussheathunitingthe two branches of the perforatus; R. Branches of the per-
foratuspassingtobeinsertedintotheoscoronae; T. Tendon of the perforatus; T'. Tendon of the
perforans,in its passage-between the branches of the perforatus; V. Reinforcing sheath of the
plantaraponeurosis; X.Attachmentofthesametothesideoftheossuffraginis.
Fig. II.—Vertical mesial Section of the Digit.
A. Os pedis; B. Coronary cushion; C. Coffin-joint; D. Navicular bone; E. Os roronae
F. Pastern-joint; H. Branchoftheperforatusatitsinsertionintothelateralaspectoftheoscoronae;
I. Insertionoftheplantaraponeurosisintothesemilunarcrest; K.Ossuffraginis; L.Theperforatus
tendon; M. Ligamentofyellowfibroustissuewhichunitesthe anterior face of the perforans to the
posteriorfaceoftheoscoronae,andseparatesthe'inferiorcul-de-sacofthegreatsesamoidsheathfrom
thatofthesynovial membrane of the coffin-joint; N. Protrusion of the synovial membrane of the
corono-pedaljointbetweenthenavicularboneandtheospedis; O.Smallsesamoidsheath;P.Synovial
membraneofthecoffin-joint in contact superiorly with the great sesamoid sheath, from which it is
separatedbytheyellowtransverseligamentM.; T.Tendonoftheperforans; Y. Fetlockjoint.
Fig. HI.—Arteries of the Digit.
A. A. Digital artery; C. Perpendicular artery at its origin; H. One of the posterior branches
(rameauxechelonnes)fortheperforanstendon; J.Anotherofthe same; K. Origin of the artery of
the plantar cushion; M. Originoftheanterior branchofthecoronarycircle; M'. Posteriorbranch
ofthesamecircle; R.Originofthepreplantarartery; S.Plantararteryintheplantargrooveandin
theOSpedis,formingwiththe oppositearterythesemilunaranastomosis; V. V.Descendingbranches
fromthesemilunaranastomosis.
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Fig. IV. The Hoof plantar aspect.
P. P. Regionofthetoe; S. Sole; L. Frog; A. Lineindicatingthejunctionofthewallandsole;
B.Angleofinflexionofthewall,showingthecontinuityofthewallandbar; E. Inferioredgeofthe
bar; F. Laterallacunaofthefrog; G.Bulbsofthefrog; Q. Medianlacunaofthefrog; U.Regions
ofthequarters; O. Regionsoftheheels.
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Fig. V. Extremity of the Digit with the Hoof removed viewed from the side.
A. B. Plantarcushionwithitsvillosities; D. Groovebetweentheplantarcushionandtheperioplic
ring; E.Perioplicring; F. Inferiorborderoftheplantarcushion;G.Sensitivelaminae;H.Villosities
whichterminatethelamina;.
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Fig. VI.—Antero-posterior mesial Section of the Hoof showing its interior.
M.Seriesofhornylaminae; O.Sectionofthewall; P. Sectionofthesole; S. Upperedgeofthe
periopleabovethecutigeralgrove; T.Sectionofthefrog; X.Cutigeralgroove.