‖ vitellarium Anat.
(vɪtɛˈlɛərɪəm)
Pl. -aria.
[mod.L., f. vitell-us vitellus.]
An accessory gland in the female productive organs of some worms, by which the vitellus for the eggs is secreted; a yolk-gland.
| 1865 Nat. Hist. Rev. July 336 There is added a highly specialised yolk-forming apparatus, or ‘vitellarium’. 1877 Huxley Anat. Inv. Anim. iv. 178 The two vitellaria, which are long and simple or branched tubes, open into the oviduct. |