siˈphuncular, a. Zool.
[f. L. sīphuncul-us + -ar.]
Of or pertaining to, acting or serving as, a siphuncle. Also, of or pertaining to a siphunculus.
| 1832 Owen Mem. Pearly Nautilus 46 The siphuncular apertures of the septa. 1851 Richardson Geol. viii. (1855) 230 An external, many-chambered shell, with a siphuncular tube passing through the chambers. 1888 Rolleston & Jackson Anim. Life 464 Siphuncular collars generally directed backwards. 1975 Jrnl. Zool. CLXXV. 278 Prodding the abdomen and pinching the legs of a sycamore aphid induces it to produce siphuncular exudate. |