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Does the galea aponeurotica hold the key to male-pattern baldness and hair loss? What role does this region on the scalp play in people suffering from androgenetic alopecia? Coming right up...
📌 00:00 - Intro
📌 00:35 - What is Galea?
📌 2:28 - How hair loss got it's pattern
📌 4:08 - The evidence linking galea to hair loss
📌 6:05 - What can we do about the tension in the scalp?
Transcription
So aponeuroses are a type of connective tissue, found throughout the body.
They are white in appearance, and similar in their function to tendons.
They basically serve as an attachment point for muscles to attach to the bones or cartilage.
And on the top of the head, underneath the skin, sits an aponeurosis called the galea aponeurotica.
Or simply galea.
Galea was latin for helmet
And by looking at this illustration you can see how the galea got its name.
it basically sits like a helmet over the top part of the scalp.
And it’s located underneath the skin. Sandwiched between the overlying skin and the skull.
And it’s connected to the skin through a layer of dense connective tissue.
So the galea is connected in the front to the frontalis muscle. And in the rear to the occipitalis muscle.
On either lateral side of the head, over the ear area, it’s flanked by other muscles.
I won’t bore you to death with the names.
You can see the various muscles that border the galea in this illustration.
The large white space on the top is the galea.
So guys when I look at this, one thing comes to mind…
Norwood 7.
If you blot out the frontal muscle, which doesn’t have hair over it to begin with, you’re left with this.
Imagine the stripy areas are hair instead of muscles.
And you’re more or less looking at a Norwood 7.
Someone who has advanced to the last stage of androgenetic alopecia, and will lose no more hair.
So it’s clear that hair loss happens only in regions overlying the galea. When you’ve lost all your hair over the galea, you’ve progressed to a Norwood 7, and won’t lose any more hair.
The hair that’s located over the occipital muscle region won’t fall off. And neither will the hair on either side of the galea, which is also over muscle.
Could this be a coincidence?
Well I have to tell you, if it is a coincidence, it sure is a massive one.
***
But what about the pattern of hair loss?
Why do we start balding at the front first, at the temples? Followed by recession of the entire frontal hair line?
And why is this then followed by hair loss in the crown, and eventually the whole top of the head?
Why is there such a remarkable consistency in pattern hair loss?
The answer to this might come from a 2015 paper, published in the International Journal of Trichology.
Reference Links:
www.ncbi.nlm.nih.gov/pmc/articles/PMC4639964/
21 июл 2024
