Annulus Haemorhoidalis.

4,7,11 and the Annulus Haemorhoidalis.

It’s a slow day here at Hipposync with the rain teeming down outside, and in one corner of Mr Porter’s secretary’s office. So today’s Hoplip’s tidbit is another medical gem.

The Annulus Haemorrhoidalis is an anastamosing venous cross channel which forms a ring at the base of the anal columns. These are ridges formed by a rich plexus of veins which drain upwards in vertical channels.

Three of these veins, situated at 4, 7 and 11 o’clock when the patient is viewed in the lithotomy position, are likely to become the typical three primary  haemorrhoids.

George: 4711 is also the name of a perfume my mum once bought. Obviously, their marketing blokes either had a perverse sense of humour or no friends who were surgeons.

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