Veterinary surgery / [John Hinds].

  • Badcock, John, active 1816-1830
Date:
1829
Catalogue details

Licence: Public Domain Mark

Credit: Veterinary surgery / [John Hinds]. Source: Wellcome Collection.

    472/612 (page 448)
    side bar of the insensible frog. At o is the coronet, or coronary ring, and at p the lower end of the large pastern hone. At a, when the coffin is recently cut through, no difference of-structure is perceivable, though upon stricter examination, it will be found at the central part more porous than that which is ad¬ jacent to the other bones; this hardness increases towards the whole surface {b b b), where the cutting presents a perfect enamel, as is well represented in the cut referred to, by the excellent chissel oi Mr. Lee, to whom the public is indebted for some of the finest specimens extant in the art of wood en¬ graving. But the contents of the receptacle at a, we have ascertained by experiment to be unequivoca y the same glutinous substance (in a state of prepa¬ ration) as the hoof itself. This process of nature is well explained by the old aphorism that, “ arte¬ ries entering bone engender bone, those of muscle create muscle,” and so on; and the blood thus deposited in the coffin-bone, previous to being dis¬ persed over the internal parts of the foot, partakes of all the qualities of bone, membrane, muscle, and skin—the whole combined becomes horny, being hardest at the wall, or crust, and toe, softer at the sole, and softest at the Iteels; but all furnished with the material for their supply from the same source-namely, the receptacle in the centre of the coffin-bone (at d). If our advice be worth any thing—if our earnest 5