vitellarium


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vit·el·lar·i·um

(vit'ĕl-lar'ē-ŭm),
In cestodes and trematodes, a common chamber receiving vitelline (yolk) material from the two vitelline ducts; the yolk material then passes into the ootype to surround the ovum with nutritive vitelline granules that are enclosed by a characteristically formed eggshell.
Synonym(s): vitelline reservoir

vitellarium

(vīt′l-âr′ē-əm, vĭt′-)
n. pl. vitellar·iums or vitellar·ia (-ē-ə)
A group of glands in flatworms and certain other invertebrates that secrete yolk.

vitellarium

a gland which forms yolk.
References in periodicals archive ?
lying anterior, opposite or posterior to the vitellarium.
niloticus from Sudan, in having similar body size, the ovary being irregularly lobed, uterine coils that seldom cross the intestinal caeca laterally and the ovary lies posterior to the vitellarium.
gariepinus from the Bangu River, Transvaal (presently Gauteng), in having the same body size and shape, the ovary being round to weakly trilobed and the vitellarium also being weakly lobed.
Vitellarium compact diagonally opposed bodies, lie posterior to rim of acetabulum, anterior to ovary between intestinal caeca (Fig.
ghanense in having the ovary not anterior or slightly posterior to the vitellarium.
bavuri in being much smaller and in having the vitellarium immediately posterior of the acetabulum and the intestine bifurcating almost immediately posterior of the oral sucker.
New records of digenean parasites of Clarias gariepinus (Pisces: Clariidae) from the Okavango Delta, Botswana, with description of Thaparotrema botswanensis sp. n. (Plathelminthes: Trematoda)
The histochemistry and fine structure of the vitellarium in Atta (Formicidae, Myrmicinae).
Nuclear activity in Apis mellifera L. (Hymenoptera, Apidae) queen ovary cells demonstrated by silver nitrate impregnation and ultrastructure/Atividade nuclear em celulas do ovario de rainha de Apis mellifera L. (Hymenoptera, Apidae) demonstrada por impregnacao com nitrato de prata e ultraestrutura
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