Thickness (and leaves) A leaf is as thick as the width of one brick, but a wall is said to be one brick thick if it as wide as the length of a brick. Accordingly, a single-leaf wall is a half brick thickness; a wall with the simplest possible masonry transverse bond is said to be one brick thick, and so on.
Thecal sac is the layer that protects the spinal cord. It is filled with cerebrospinal Fluid and has numerous nerve roots Thecal sac is the layer that protects the spinal cord. It is filled with cerebrospinal Fluid and has numerous nerve roots. Thecal sac is enclosed in the Dura Matter. Dura matter is the outer layer which covers the central nervous system, which includes the brain and spinal cord 1. Thecal sac varies in both genders.
Lowering one's blood pressure may help manage aortic calcification. A heart murmur detected by a stethoscope is the first sign of aortic calcification. Calcium is normally found in the blood, but it can stiffen the aortic valve in some people. View slideshow of images above.he first sign of aortic calcification is often a heart murmur that a doctor hears through a stethoscope. The doctor will then run tests such as an electrocardiogram, a test that measures the electrical impulses from the heart. An echocardiogram is another common test for aortic valve stenosis.