I dunno about that Modesto. For fibers of the suspensory ligament to intercalate into the region of dorsal thickening, it would have to somehow pass uninterrupted through the superficial fascia and then the deep fascia (Buck’s fascia) to get to the tunica albuginea (TA) between the individual corpora cavernosa. This is all assuming that we are correct in our thinking that this is tunica albuginea thickening up. If it’s either of the fascias thickening up instead, then you make a good point.
“The upper fibers of the suspensory ligament pass downward from the lower end of the linea alba, and the lower fibers from the symphysis pubis; together they form a strong fibrous band, which extends to the upper surface of the root, where it blends with the fascial sheath of the organ.” - http://www.bartleby.com/107/262.html
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