Nick Schultz

Nick Schultz

Dec 30, 2016

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Cartilage cells in mouse femur growth plate and penis bone

Here are two images from a thin sectioning histology project we did. What you are looking at is the presence of a dark purple band with large oval cells within the each of the two bones. That purple band is cartilage. These images, and findings from other papers are what encourages us that penis bones probably develop using a cartilaginous precursor, and that is why we are looking at Sox9 expression. 


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About This Project

Most mammals have penis bones, also called bacula. Our recent review indicated that penis bones evolved 9 independent times. Based on this study, the origin of a rodent penis bone is separate from the origin in carnivores. This got us thinking, do these independent events utilize the same set of genes to develop penis bones? In this project we will investigate the expression of a critical bone development gene across species that evolved bacula independently.

More Lab Notes From This Project

Blast off!

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Campaign Ended

A biology project funded by 4 people

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