Hey Nedd seems like no one has replied yet (very unusual).
1. There are two types of ligs fundiform and suspensory which we are mostly initially interested in from a PE point of view (pic), they connect from the pubic bone area to the base of the penis wrapping around the chambers (CC/CS). There are other anchors to the root of the penis but when we talk of ligs its the fundiform and suspensory ligs we are talking about.
The ligs aren’t attached to the skin. If you feel across above and below the pelvic bone toward where the penis leaves the body. the little stringy things are the ligs.
The two chambers you talk about are the Corpus Cavernosa (often abreviated here as CC) and the small one below and between is the Corpus Cavernosum Urethrae more commonly referred to here as the Corpus Spongiosum (and abbreviated to CS) as the name implies this contains the Urethra
The guitar strings are different, probably you are feeling the dorsal arteries which (as is the way with arteries) are stronger walled than veins. You may also be feeling the top of the septum, so you’d probably count 2 or 3 strings.
All this is perfectly normal.
A thrombosed vein is hard. It is coagulated blood within the vein, though it may have been helped on its way by a small breach. Blood shouldn’t coagulate by default and when it blocks up the veins its rather annoying and can take 2-3 weeks to clear and if caused with the help of an initial rupture the vein wall may be weaker and hence easier to injure again. Oh and occassionally people die from thromboses :) when they break up and flow around the blood stream into the brain (Economy Class Syndrome).
2. I always did all my stretching with the foreskin retracted. In my opinion it is much better that way. Yes the dorsal nerves are annoyingly place from the point of view of PE but if you locate the web of flesh between thumb and forefinger over the top of the penis to stretch (ie overhand OK) you are offering the best protection. The most important thing with stretching is a good solid grip and not allowing the grip to slip, that and easing into a stretch.
For a detailed anatomy see Gray’s Anatomy though it kind of skips past some important bits so a search on anatomy would probably help.
Hope that helps..
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