Injury to cervical spine may also lead to loss of cervical lordosis. A whiplash while driving motor vehicle, direct trauma on the neck can all contribute to muscle spasm and loss of curvature of cervical spine. Osteoporosis is another important factor that may cause abnormality in cervical spine curvature.
A close up of an eye showing the capillaries. noun. The definition of a capillary is a small blood vessel that is part of the network of the small arteries and small veins, or an extremely thin tube through which nothing thicker than a human hair can pass.
Veins are blood vessels that bring blood back to the heart and drain blood from organs and limbs. Capillaries have one layer of cells (the endothelial tunic or tunica intima) where diffusion and exchange of materials takes place.