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Re: dinosaur steaks and muscle fiber types



You're right.  I was being very simplistic.  There are more differences in
fibers, fibrils, nerve innervation, numbers of mitochondria, fibril
structure (between species as well), spindle cells, amounts of myoglobin,
etc. in voluntary or striated muscle.

Best,

Michael Teuton
-----Original Message-----
From: Bartlema, Lauri, L. <BartlemaL@emh10.bliss.army.mil>
To: 'dinosaur@usc.edu' <dinosaur@usc.edu>
Date: Thursday, January 07, 1999 3:58 PM
Subject: RE: dinosaur steaks and muscle fiber types


>I thought it had something to do with the amounts of myoglobin in the
>muscle tissue??
>
>Lauri L. Bartlema
>Curatorial Assistant
>Conservation Division
>Directorate of Environment
>Fort Bliss, Texas
>
>> ----------
>> From: Michael Teuton[SMTP:tons@mx.logicsouth.com]
>> Reply To: tons@mx.logicsouth.com
>> Sent: Thursday, January 07, 1999 1:48 PM
>> To: bettyc@flyinggoat.com; dinosaur@usc.edu
>> Subject: Re: dinosaur steaks and muscle fiber types
>>
>> -----Original Message-----
>> From: Betty Cunningham <bettyc@flyinggoat.com>
>> To: dinosaur@usc.edu <dinosaur@usc.edu>
>> Date: Thursday, January 07, 1999 12:12 PM
>> Subject: Re: dinosaur steaks and muscle fiber types
>>
>> <snip>
>> >What precludes a white meat and a red meat on the same animal?
>> >
>> >-Betty Cunningham
>> >
>> Nothing.  Red fibers are fast twitch for bursts of speed (like on
>> cats) and
>> white fibers are for endurance (like bird breasts).  {if white is slow
>> twitch it isn't so slow on hummingbird's or is their breast muscle red
>> muscle?}  There's also cardiac and smooth muscle fibers.
>>
>> Michael Teuton
>>
>