Surgery : its theory and practice / by William Johnson Walsham.

  • William Walsham
Date:
1887
Catalogue details

Licence: Public Domain Mark

Credit: Surgery : its theory and practice / by William Johnson Walsham. Source: Wellcome Collection.

Provider: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.

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    the mne of thrombosis, and so on to the circumference. Such at least occurs when an abscess S2n'eads uniformly in all directions. Usually, however, it makes its way in the direction of least resistance, these changes then oc- cui-ring chiefly at that part. If an abscess is not opened Fig 2 —Diasrammatio representation of the minute cliano-cs in the formation and liealing of an aljscess. The npper lialf show'; abscess enlarging ; the lower half abscess hoalinf. the tension keeps up tlio inflammation, but when the pus IS evacuated the circulation in tlio vessels around resumes Its normal state. Delicate lorips of capillaries grow in among the small round cells surrounding the'abscess cavity thus forming a wall of gianulatiou tissue. Tlie granulation tissue is developed into til)rous tissue wliich in Its turn contracts, o])litora,ting thc! blood-vessels -and is conyerlnd into dense cicatricial, tissue. In the lower half ot tho diagram are zones representing the various .■hnnges mthe process of healing. Tbus, the abscess cavity be- comes gradually fillod up by the granulaiion tissue the zone ot granulation tissue converted into the zone of vascular hbrons tissue, and this .gain into the zone (^f cSpSe! ' i« c 2
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