Category Archives: Science/Biology

When a Hysterectomy is Only a Hysterectomy. Notes from the Philadelphia Trans Health Conference – Part 3.

I learned something at the Philadelphia Trans Health Conference that made me sit up and take notice.  Well, it’s not that I didn’t sit up and take notice of anything else, but this particular tidbit is worth repeating. I don’t remember who it was – … Continue reading

Posted in Commentary, Science/Biology | Tagged , , , , , , , , | 13 Comments

The Human Ovary: Steroidogenesis & Ovulation

When we last considered the human ovary, we were discussing a bit of anatomy and a lot of folliculogenesis. We learned about the different steps and changes that ovarian follicles undergo as they develop or become atretic. With the information from that … Continue reading

Posted in Science/Biology | Tagged , , , , , , , , , , , , , , | 8 Comments

The Human Ovary: Anatomy & Follicular Development

Time flies when you’re having fun.  And commuting (which is not fun). Well, time flies like an arrow but fruit flies like a banana… (By the way, that doesn’t look like a fruit fly on the right.  To me, it … Continue reading

Posted in Science/Biology | Tagged , , | 3 Comments

The Spectra of Gender, Sexual Orientation and Biological Sex

In a previous post — the one about the Genetics Behind Sex Determination and Differentiation —  one reader left a comment that induced me to remove a sentence. The reader took issue with my statement that human gonadal sex develops … Continue reading

Posted in Commentary, Science/Biology | Tagged , , , , , , , | 29 Comments

When the Genetics of Gonadal Differentiation & Development Don’t Go According to Plan – Part 3 of Where Do Ovaries (and Testes) Come From?

In the previous post, we talked about the genes that drive sex differentiation of the bi-potential embryonic gonad.  I only mentioned a relatively small number of genes, but they control the events at or near the beginning of the signaling … Continue reading

Posted in Science/Biology | Tagged , , , , , , , | 6 Comments

The Genetics Behind Sex Determination and Differentiation – Part 2 of Where Do Ovaries (and Testes) Come From?

I began this series of posts as a background with the goal of discussing Polycystic Ovary Syndrome in trans men.  I thought that in order to understand what happens when things go wrong in ovarian function, we first need to … Continue reading

Posted in Science/Biology | Tagged , , , , , , , , , , , , , , | 23 Comments

Sex Determination and Differentiation – Where Do Ovaries (and Testes) Come From?

Well, it’s 2011.  Know what that means?  It means it’s time to get back to SCIENCE! (Yes, I know, that makes absolutely no sense, but let’s get back to science anyway, shall we?) Near the end of last year, I … Continue reading

Posted in Science/Biology | Tagged , , , , , | 7 Comments