Angels on a Pin

Jeffrey A. Clapper (clap@iastate.edu)
Tue, 28 May 1996 15:22:49 -0500

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At 06:04 PM 5/24/96 +0000, you wrote:
>
>Bruce Davis, MD - Clinical Pathology wrote:
>>
>> Cyto-trivia experts - I was asked by a colleague if there is an accepted
>> estimate as how many cells are in an adult human body. Anyone have a clue?
>>
>> Bruce H. Davis, M.D.
>> Director of Analytical Cytometry
>> Dept. of Clinical Pathology
>> William Beaumont Hospital
>> 3601 W. 13 Mile Rd.
>> Royal Oak, Michigan 48073-6769
>> 810-551-5137
>> FAX 810-551-8057
>
>There are around 24 x 10E12 red cells in an adult which is roughly one
>third of the total cells in the body (or so I've read).
>
>Ron Hill, Ph.D.
>Research Scientist
>Sugen, Inc.
>Redwood City, CA
>ronald@sugen.sf.ca.us
>

A pellet of 10e9 fibroblasts is about 1 mL or about 1 g (wet weight).
Thus, a 75 kg (75x10e3 g) person would have about 75x10e12 cells total.

Jeff Clapper
Cell and Hybridoma Facility
Iowa State Univeristy
515-294-8504

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CD ROM Vol 2 was produced by staff at the Purdue University Cytometry Laboratories and distributed free of charge as an educational service to the cytometry community. If you have any comments please direct them to Dr. J. Paul Robinson, Professor & Director, PUCL, Purdue University, West Lafayette, IN 47907. Phone:(317) 494-0757; FAX (317) 494-0517; Web http://www.cyto.purdue.edu EMAIL robinson@flowcyt.cyto.purdue.edu