In some plants and cell types, after a maximum size or point in development has been reached, a secondary wall is constructed between the plasma membrane and primary wall. Unlike the primary wall, the microfibrils are aligned mostly in the same direction, and with each additional layer the orientation changes slightly.
In a word, YES! I have been treated for both urological and anxiety issues, and I've been told by doctors of both specialties that my problems feed off of each other. I find at times when I get extremely anxious about something, whether at work or home, it tends to make me feel the urinary symptoms a lot more.
If you are having digestive issues caused by stress, you might experience symptoms of digestive problems, such as gas, loose stool, and/or acidy excrement. All of which can cause pain and pressure in the chest/sternum area and the body to feel warm before the excrement exists the body. The fact that you feel better after a bowel movement suggests it is digestion related, which could be caused by being persistently anxious.