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S.] -- Poison dogwood (Bot.), poison sumac. -- Poison fang (Zoöl.), one of the superior maxillary teeth of some species of serpents, which, besides having the cavity for the pulp, is either perforated or grooved by a longitudinal canal, at the lower end of which the duct of the poison gland terminates. See Illust. un…

A cyst formed under the tongue by obstruction of the duct of the submaxillary gland.

A thin leafike appendage (the exopodite) of the second maxilla of decapod crustaceans. It serves as a pumping organ to draw the water through the gill cavity.

One of a family of beetles having the maxillary palpi terminating in a hatchet-shaped joint.

ed in anatomy to indicate connection with, or relation to, the sphenoid bone; as in sphenomaxillary, sphenopalatine.

The second joint of a maxilla of an insect or a crustacean.

relation to, the styloid process of the temporal bone; as, stylohyal, stylomastoid, stylomaxillary.

nerally attached to the skull, and the entire margin of the upper jaw is formed by the premaxillary. Called also Symbranchia.

eeth behind the fangs; the latter have permanently erect and grooved fangs, with ordinary maxillary teeth behind them. -- Ven"om*ous*ly, adv. -- Ven"om*ous*ness, n.