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.
The higher number, or the systolic, is the pressure in the area measured when the heart beats or contracts, and the lower number, or diastolic, is the pressure when the heart relaxes after the heartbeat. Blood pressure changes throughout the day. When a person is exercising or under stress, it can go up. When someone is relaxing, it can go down. Similarly. blood pressure can vary when a person is lying in bed, sitting or standing.