Page:Cyclopaedia, Chambers - Volume 2.djvu/1046

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YOU

It has its Name vw&f, and fometimes vftouJtis Tffi-

loides, from its refembling a Greek u, or Ufftlon Some

call it Lambdoides, as refembling a Lambda inverted.

It is not contiguous to the Extremity of any other Bone, nor has any Articulation with 'em : on which account it is not fhewn in the Skeletons.

Its Ufe is to fortify the Bafe or Root of the Tongue, and facilitate the Paffage of the Air into the Trachea, and the Food into the Gullet.

It has five Pair of Mufcles, which move it together with the Tongue. See Lingua.

YFSILOIDES, or Ylypsiloides, in Anatomy, the third genuine Suture of the Cranium ; thus call'd from its refembling a Greek y, or Ufftlon. See Suture.

Some alfo call it ActMj3^«A?, Lamdoeides.

There is alfo a Bone at the Root of the Tongue call'd Tpftloides, and fometimes Yoides. See Yoides.

YOLK, or Yelk, in Natural Hiftory, the yellow part in the middle of an Egg. See Egg.

The Chicken is form'd out of, and nourifli'd by, the White alone; till it be grown to fome bulk: After which, the Tolk fetves it for Nourifhment, which it likewife does, in

pert, after it is hatched For a good part of the Tolk

remains after exclufion ; being received into the Chicken's Belly; and being there referved, as in a Store-houfe, is by the ItuBus Inteftinalis, as by a Funnel, convey'd into the Guts, and fetves inltead of Milk. Willomb. Oniithol. L. I. c. 3.

This was even known to 'Pliny : Ipfum Animal ex albo liquore Ovi corporetur ; Cibus ejus in Luteo eft. Lib. 10. c. 53.

YOUNG ; fee Generation, Conception, Ges- tation, Emrryo, Foetus, Delivery, Child, £?c. See alfo Storge, i$c.

In the.Army, That Regiment, or Officer, is faid to be the Tounger which was lail raifed, or whofe Comtniffion is of lateft Date, whatever be the Age of the Man, or however long he may have ferved in other Capacities.

YOUNKERS, among Sailors, are the yomtgMen, others: wife call'd Forcinaft-inen ; whofe BuGnefs is to take in the Top-Sails, or Top and Yard, for Furling theSaiis, Slinging the Yards, &c< and to take their turns at the Helm.

YOUTH, Adolefcence ; fee Age and Adolescence.

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