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.
Stress. Response to stress can cause disruptions in normal bowel function. Being too busy to go to the bathroom, reducing fluid intake, skipping meals, eating in a hurry (not properly chewing food), and eating convenience or fast foods all contribute to constipation.