No, the sclera is actually an opaque, white, fibrous layer that protects the eye. It is not a space, it contains collagen and elastic fibers.
The word "sclera" (Greek for hard) is applied to the tough white outer layer of the eyeball, which covers the eye except for the cornea.
what is pleural thickening
An infection of the lining of the of the lungs.
lines the wall of the thoracic cavity
There are 2 types of pleura in the thoracic cavity. Visceral pleura which covers the lungs and parietal pleura which covers the inner surface of the thoracic cage. These 2 pleurae form a sac which...