salivary duct

a duct through which saliva passes from the salivary gland into the mouth ;

salivary gland

any of three pairs of glands in the mouth and digestive system that secrete saliva for digestion ;

salivation

the secretion of saliva ;

salix

a large and widespread genus varying in size from small shrubs to large trees: willows ;

salix alba

large willow tree of Eurasia and North Africa having greyish canescent leaves and grey bark ;

salix alba caerulea

Eurasian willow tree having greyish leaves and ascending branches ;

salix alba sericea

North American willow with greyish silky pubescent leaves that usually blacken in drying ;

salix alba vitellina

European willow having greyish leaves and yellow-orange twigs used in basketry ;

salix amygdalina

Old World willow with light green leaves cultivated for use in basketry ;

salix amygdaloides

willow of the western United States with leaves like those of peach or almond trees ;

salix arctica

low creeping shrub of arctic Europe and America ;

salix babylonica

willow with long drooping branches and slender leaves native to China; widely cultivated as an ornamental ;

salix blanda

hybrid willow usually not strongly weeping in habit ;

salix candida

North American shrub with whitish canescent leaves ;

salix caprea

much-branched Old World willow having large catkins and relatively large broad leaves ;

salix cinerea

Eurasian shrubby willow with whitish tomentose twigs ;

salix discolor

small willow of eastern North America having greyish leaves and silky catkins that come before the leaves ;

salix fragilis

large willow tree with stiff branches that are easily broken ;

salix herbacea

widely distributed boreal shrubby willow with partially underground creeping stems and bright green glossy leaves ;

salix humilis

slender shrubby willow of dry areas of North America ;

salix lasiolepis

shrubby willow of the western United States ;

salix lucida

common North American shrub with shiny lanceolate leaves ;

salix nigra

North American shrubby willow having dark bark and linear leaves growing close to streams and lakes ;

salix pendulina

hybrid willow usually not strongly weeping in habit ;

salix pendulina blanda

hybrid willow usually not strongly weeping in habit ;

salix pentandra

European willow tree with shining leathery leaves; widely naturalized in the eastern United States ;

salix purpurea

Eurasian osier having reddish or purple twigs and bark rich in tannin ;

salix pyrifolia

small shrubby tree of eastern North America having leaves exuding an odor of balsam when crushed ;

salix repens

small trailing bush of Europe and Asia having straggling branches with silky green leaves of which several varieties are cultivated ;

salix sericea

North American willow with greyish silky pubescent leaves that usually blacken in drying ;

salix sitchensis

small shrubby tree of western North America (Alaska to Oregon) ;

salix triandra

Old World willow with light green leaves cultivated for use in basketry ;

salix tristis

willow shrub of dry places in the eastern United States having long narrow leaves canescent beneath ;

salix uva-ursi

dwarf prostrate mat-forming shrub of arctic and alpine regions of North America and Greenland having deep green elliptic leaves that taper toward the base ;

salix viminalis

willow with long flexible twigs used in basketry ;

salix vitellina

European willow having greyish leaves and yellow-orange twigs used in basketry ;

salk

United States virologist who developed the Salk vaccine that is injected against poliomyelitis (born 1914) ;

salk vaccine

a poliovirus vaccine consisting of inactivated polio virus that is injected subcutaneously to provide immunity to poliomyelitis ;

sallade

a light medieval helmet with a slit for vision ;

sallet

a light medieval helmet with a slit for vision ;