Why is temporalis fascia the preferred graft material?

Temporalis fascia is the peferred graft material because:

(a)   It can be harvested through the same incision used for ear surgery.

(b)   It is available in plenty.

(c)    It resembles the TM in thickness and consistency.

(d)   Its fibres run in the same direction as the middle fibrous layer of TM and provide a good scaffold for growth of mucous membrane medial to it and skin lateral to it.

(e)   It is relatively avascular and hence can withstand ischaemic conditions for longer duration and hence has better graft take rates.

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