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The extent of the wound influences the rate of healing; it is only natural that a long and deep wound should take longer to heal than a short and superficial one, because there is so much more work to be done in the conversion of blood-clot into granulation tissue, and this again into scar tissue that will be strong enough to stand the strain on the edges of the wound.
To withstand the pressure the external coat becomes thickened, and as the aneurysm increases in size it forms adhesions to surrounding tissues, so that fasciæ, tendons, nerves, and other structures may be found matted together in its wall. The wall is further strengthened by the deposit on its inner aspect of blood-clot, which may eventually become organised.
Selwin, the local practitioner, was for putting it down as a case of apoplexy on the strength of that small blood-clot, but as there was an entire absence of every other symptom of apoplectic conditions the other doctors scouted the suggestion as preposterous pointed out the generally healthy state of the brain and of the heart, lungs, arterial walls, et cetera, as utterly refuting such a theory and in the end the verdict on the son was the verdict given on the mother: 'Death from unknown causes'; and he was buried as she had been buried, with the secret of the murder undiscovered."
Take it off in half an hour, and a little clot will be seen in the watery serum. Experiment 88. To show the blood-clot. Carry to the slaughter house a clean, six or eight ounce, wide-mouthed bottle. Fill it with fresh blood. Carry it home with great care, and let it stand over night. The next day the clot will be seen floating in the nearly colorless serum. Experiment 89.
This wound gaped very slightly, showing that death was recent, I should say, within half an hour. Then a wound on the living body becomes filled with blood, and blood is shed freely on the clothing. But the wound on the deceased contained only a little blood-clot. There was hardly any blood on the clothing, and I had already noticed that there was none on the sand where the body had lain."
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