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I felt that I was either Ravenclaw or Slytherin.

SLYTHERCLAW
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Pottermore sorted me into Slytherin.
SLYTHERIN
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→ 03 Oct 11 at 2 pm

biomedicalephemera:

The Mastoid Vault

The vault behind the ear is opened for a mastoidectomy - removal of part of the mastoid bone to drain infection of the mastoid air cells (mastoiditis). 

The mastoid is a very interesting part of the anatomy of the skull, though I may be a bit biased; at age 7, I had a bilateral mastoidectomy. In today’s era of antibiotics and other interventions to care for pediatric otitis media and other ear problems, having a single mastoidectomy called for is very uncommon, and a bilateral mastoidectomy (on both sides of the head) pretty much unheard of.

Diseases of the Ear. Edward Bradford Densch, 1894.
tags: mastoid  surgery  operation  ears  hearing  infection  skull  disease  dench  1890s  1894  mastoiditis  mortality  pediatric 
biomedicalephemera: The Mastoid Vault The vault behind the ear is opened for a mastoidectomy - removal of part of the mastoid bone to drain infection of the mastoid air cells (mastoiditis).  The mastoid is a very interesting part of the anatomy of the skull, though I may be a bit biased; at age 7, I had a bilateral mastoidectomy. In today’s era of antibiotics and other interventions to care for pediatric otitis media and other ear problems, having a single mastoidectomy called for is very uncommon, and a bilateral mastoidectomy (on both sides of the head) pretty much unheard of. Diseases of the Ear. Edward Bradford Densch, 1894.
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