The ornamental design for a portion of a dentalsyringe, as shown and described.
FIG. 1 is a perspective view of a portion of a dental syringe according to our new design;
FIG. 2 is a right side elevation view thereof;
FIG. 3 is a left side elevation view thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a rear elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Broken lines shown in FIGS. 1–7 which are illustrative of environmental structure of the lower handle portion, tip, and bottom opening of the dental syringe form no part of the claimed design. The broken line shown in FIGS. 1–5 of the neck circumference of the handle portion of the dental syringe defines the lower bounds of the claimed design and forms no part of the claimed design.