I think it's just a bruise
yes and it may cause damage to the transmission if filled too much.
This is probably a cyst, particularly if it is large and doesn't appear to be contiguous with the mammary system.
no YES...the sun can cause swelling in your forehead and eyes..Ive seen it many times.Theres not much you can do except to ice it and wait it out.Some people have a reaction to the sun even if they never have before..your body reacts with fluid build up.
IF you have over filled the transmission this will cause it to bubble, this could cause serious damage, drain and refill with the proper ammount.
A closed sac with fluid in it
A blastocoele is the fluid-filled cavity in the blastula.
Synovial cysts are what causes facet fluid in vertebra. Synovial cysts are benign, fluid filled sacs that develop in the facet joints of the lumbar spine as a result of degeneration.
Hepatic cysts, are fluid filled bubble like things on your liver, they can cause liver disturbances.
The ventricles are the fluid-filled cavities of the brain.
there is too much in the container If you filled the resevior with brake fluid PRIOR to replacing any of the brake linings, it will cause the fluid to "backflow" into the resevior, thus it will overflow and leak from the cap.
cytoplasm
cyst