Off Topic — HabitableZone

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An Interesting Study . . .

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Fetal Cellular Migration

Regardless of gender, embryonic gonadal tissue has the same beginnings:
• This gonadal tissue has two parts -- an inner medulla and outer cortex
• In genetic males, a gene on the Y-chromosome results in production of the testis-determining factor (TDF)
• TDF acts with other genes to cause the medulla of the primitive gonadal tissue to differentiate into testes and the cortex regresses
• Occurs about week 6 or 7

**NOTE**
Some sources will refer to TDF as the H-Y antigen

As it stands, all human babies start out with the same raw number of cells which, over a nine-month period, will develop into a perfect, complete female baby. The trouble seems to occur when cells in the fetus are instructed, by those pesky little “Y” chromosomes, to make a male baby instead of a standard female.

Because there are only so many cells to go around, the cells necessary in the development of a male's reproductive organs must to come from cells already assigned elsewhere in the female body. Recent tests have shown that these cells are removed from the communications center of the brain, and migrate lower in the body to develop into male sexual organs.

If you visualize a normal (female) brain to be similar to a full deck of cards, this means that males are born a few cards short of a full deck, so to speak, and that some of their cards are in their shorts.

This fundamental difference between the male and female brain manifests itself in various ways. Young girls will tend to roll-play various themes, things like playing house, or learning to read and write. Young boys, on the other hand, tend to do things like placing a bucket over their heads and running into walls. This basic difference in cognitive functionality will continue to grow until puberty -- when the hormones kick into action and the trouble really begins.

After puberty, not only do the physical size of the male and female brains differ, but the center of thought also differs. Women think with their heads. Male thoughts often originate lower in their bodies, in the general region where their ex-brain cells currently reside. Of course, the size of this problem will vary from man to man.

In some men, only a small number of brain cells will migrate, leaving the affected male with nearly full mental capacity, but tending to be rather dull -- sexually speaking, that is. Such men are known in medical terms as 'Engineers'.

Other men suffer greater brain cell relocation. These men are medically referred to as 'Fighter Pilots'.

A small number of men suffer massive brain cell migration to the groin. These men are usually referred to as 'Mr. President', 'Senator', or 'Congressman'...

Dan

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