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To: <A.APPLEYARD@fs*.mt*.um*.ac*.uk*>
Subject: Re: Snorkel Diving and The Bends.....
From: shelps@ac*.ma*.ad*.ed*.au* (Prime Rat)
Cc: techdiver@opal.com
Date: Fri, 13 May 1994 11:13:35 +0930

>  I read that the blood systems of whales have places called `retia maribilia'
>(Latin for `marvellous nets') where the blood vessel separates into infinity
>capillaries which rejoin without supplying anything. These likely are filters
>to trap any bends bubbles.

Many animals (sheep and cats for example) have a rete mirabile.  It is a 
heat exchanger, not a bubble filter.  Bubbles will pass through capillaries 
provding arterial pressure is normal.  I expect they would pass through the 
rete mirabile without any trouble.

/Rat


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
shelps@ac*.ma*.ad*.ed*.au* | Stephen Helps
FAX   (08)232-3283              | Anaesthesia & Intensive Care
Voice (08)224-5495              | University of Adelaide
                                | ADELAIDE, 5005, South Australia
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Emotions are alien to me. I'm a scientist         Ack!  ___/|
	Spock,                                          \O.o|
        "This Side of Paradise," stardate 3417.3       =(___)=
                                                          U
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