Biology-Online • View topic - human body cell quantification
Login

Join for Free!
122244 members
Advertisement
Advertisement

human body cell quantification

Discussion of all aspects of cellular structure, physiology and communication.

Moderator: BioTeam

human body cell quantification

Postby claudepa » Tue Nov 03, 2015 12:55 pm

Hi
Could anybody tell me if more precise measurements are known for 1) The number of cells in a human body (my rough estimation is several hundred millions cells). 2) How many different cell types in a human body (my rough estimation is 250 different cell types. Thank you
claudepa
Death Adder
Death Adder
 
Posts: 65
Joined: Tue Nov 03, 2015 12:43 pm

Postby EnricoPallazzo » Thu Nov 05, 2015 4:02 pm

According to this paper http://www.ncbi.nlm.nih.gov/pubmed/23829164 there are approx. 3.72x10^13 human cells in our body. Thats around 100000-times more cells than you estimated :-)
Accordingto this source (http://sciencenetlinks.com/student-teac ... your-body/) there are approx. 200 different types of cells, each containing 20 different types of structures or organelles.

Interestingly, we carry about 10-times more bacterial cells than human cells in our body at any time! Our intestine alone harbours around 500 different species of microorganisms.
EnricoPallazzo
Garter
Garter
 
Posts: 16
Joined: Sun Dec 04, 2011 6:13 pm


Return to Cell Biology

Who is online

Users browsing this forum: No registered users and 2 guests