genus of herbs of temperate Australia including some from genus Helipterum
hyal
sponges with 6-rayed siliceous spicules
hyal
a viscous mucopolysaccharide found in the connective tissue space and the synovial fluid of movable joints and the humors of the eye
hyal
an enzyme (trade name Hyazyme) that splits hyaluronic acid and so lowers its viscosity and increases the permeability of connective tissue and the absorption of fluids