Vitreous humour is
a)	Colloid	b)	Watery fluid
c)	Mucoid connective tissue	d)	All of the above

(d)

The vitreous chamber in eye is filled with a viscous jelly-like vitreous humour containing 99% water, some salt, a little mucoprotein and hyaluronic acid. It is a part between lens and retina. At this periphery, it is condensed to form a vitreous membrane. It is mucoid connective tissue.