1 Outer fibrous layer: It is composed of collagen-producing cells called fibroblasts and contains nerve fibers that cause pain when damaged due to the presence of nociceptive nerve endings. 2  It also has a rich supply of blood vessels and branches, which pierces the bone to supply the osteocytes, or bone cells.t mainly comprises of the following two layers: 1  Outer fibrous layer: It is composed of collagen-producing cells called fibroblasts and contains nerve fibers that cause pain when damaged due to the presence of nociceptive nerve endings.
My blood pressure is normally 120/80mmHg. I have recently taken a stress test and EKG. I reached the end of stage five and stopped. My blood pressure peaked at 190/84mmHg after 15 minutes on the machine, everything else checked out fine.
Blood Pressure Ranges Chart. As you age, your blood vessels become more rigid, and it's not uncommon for your systolic pressure (the top number) to increase. Although a reading of 120/80 is considered textbook normal, someone over age 40 can have a 140/90 reading and it can be considered perfectly acceptable.lood Pressure Ranges Chart. As you age, your blood vessels become more rigid, and it's not uncommon for your systolic pressure (the top number) to increase. Although a reading of 120/80 is considered textbook normal, someone over age 40 can have a 140/90 reading and it can be considered perfectly acceptable.