TERM: Description of glossary term.
Fish related glossary
yolk sac
A sac containing yolk which provides nourishment for developing embryo and larva of egg-bearing fish.
Reference
Coad, Brian & D.E. McAllister. 2007. "Dictionary of Ichtyology". Brian W. Coad. Retrieved on June 21, 2014, from:http://www.briancoad.com/Dictionary/Complete%20Dictionary.htm - (ffm06223)