Placeless
(Place"less), a. Having no place or office.
Placeman
(Place"man) n.; pl. Placemen One who holds or occupies a place; one who has office under
government. Sir W. Scott.
Placement
(Place"ment) n. [Cf. F. placement.]
1. The act of placing, or the state of being placed.
2. Position; place.
Placenta
(Pla*cen"ta) n.; pl. L. Placentæ E. Placentas [L., a cake, Gr. a flat cake, from flat, fr. anything
flat and broad.]
1. (Anat.) The vascular appendage which connects the fetus with the parent, and is cast off in parturition
with the afterbirth.
In most mammals the placenta is principally developed from the allantois and chorion, and tufts of vascular
villi on its surface penetrate the blood vessels of the parental uterus, and thus establish a nutritive and
excretory connection between the blood of the fetus and that of the parent, though the blood itself does
not flow from one to the other.
2. (Bot.) The part of a pistil or fruit to which the ovules or seeds are attached.
Placental
(Pla*cen"tal) a.
1. Of or pertaining to the placenta; having, or characterized by having, a placenta; as, a placental mammal.
2. (Zoöl.) Of or pertaining to the Placentalia.
Placental
(Pla*cen"tal), n. (Zoöl.) One of the Placentalia.
Placentalia
(||Plac`en*ta"li*a) n. pl. [NL.] (Zoöl.) A division of Mammalia including those that have a
placenta, or all the orders above the marsupials.
