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Aplacental
Aplacental Ap`la*cen"tal, a. [Pref. a- + placental.]
Belonging to the Aplacentata; without placenta.
Aplacentata
Aplacentata Ap`la*cen*ta"ta, n. pl. [Pref. a- not + placenta.]
(Zo["o]l.)
Mammals which have no placenta.
Commonplaceness
Commonplaceness Com"mon*place`ness, n.
The quality of being commonplace; commonness.
ComplacentComplacent Com*pla"cent, a. [L. complacens very pleasing, p.
pr. of complacere; com- + placere to please: cf. F.
complaisant. See Please and cf. Complaisant.]
Self-satisfied; contented; kindly; as, a complacent temper; a
complacent smile.
They look up with a sort of complacent awe . . . to
kings. --Burke. Complacential
Complacential Com`pla*cen"tial, a.
Marked by, or causing, complacence. [Obs.] ``Complacential
love.' --Baxter.
Complacently
Complacently Com*pla"cent*ly, adv.
In a complacent manner.
DisplacencyDisplacency Dis*pla"cen*cy, n. [LL. displacentia, for L.
displicentia, fr. displicere to displease; dis- + placere to
please. See Displease, and cf. Displeasance.]
Want of complacency or gratification; envious displeasure;
dislike. [Obs.] --Sir T. Browne. Implacental
Implacental Im`pla*cen"tal, a. (Zo["o]l.)
Without a placenta, as marsupials and monotremes. -- n. A
mammal having no placenta.
ImplacentaliaImplacentalia Im`pla*cen*ta"li*a, n. pl. [NL. See In- not,
and Placental.] (Zo["o]l.)
A primary division of the Mammalia, including the monotremes
and marsupials, in which no placenta is formed. PlacentaPlacenta Pla*cen"ta, n.; pl. L. Placent[ae], 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.
Note: 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. PlacentaePlacenta Pla*cen"ta, n.; pl. L. Placent[ae], 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.
Note: 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
Placental Pla*cen"tal, a.
1. Of or pertaining to the placenta; having, or characterized
by having, a placenta; as, a placental mammal.
2. (Zo["o]l.) Of or pertaining to the Placentalia.
Placental
Placental Pla*cen"tal, n. (Zo["o]l.)
One of the Placentalia.
Placentalia
Placentalia Plac`en*ta"li*a, n. pl. [NL.] (Zo["o]l.)
A division of Mammalia including those that have a placenta,
or all the orders above the marsupials.
PlacentaliaMammalia Mam*ma"li*a, n. pl. [NL., from L. mammalis. See
Mammal.] (Zo["o]l.)
The highest class of Vertebrata. The young are nourished for
a time by milk, or an analogous fluid, secreted by the
mammary glands of the mother.
Note: Mammalia are divided into three subclasses; -- I.
Placentalia. This subclass embraces all the higher
orders, including man. In these the fetus is attached
to the uterus by a placenta. II. Marsupialia. In
these no placenta is formed, and the young, which are
born at an early state of development, are carried for
a time attached to the teats, and usually protected by
a marsupial pouch. The opossum, kangaroo, wombat, and
koala are examples. III. Monotremata. In this group,
which includes the genera Echidna and
Ornithorhynchus, the female lays large eggs
resembling those of a bird or lizard, and the young,
which are hatched like those of birds, are nourished by
a watery secretion from the imperfectly developed
mamm[ae]. Placentary
Placentary Pla*cen"ta*ry, a.
Having reference to the placenta; as, the placentary system
of classification.
PlacentasPlacenta Pla*cen"ta, n.; pl. L. Placent[ae], 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.
Note: 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. Placentation
Placentation Plac`en*ta"tion, n.
1. (Anat.) The mode of formation of the placenta in different
animals; as, the placentation of mammals.
2. (Bot.) The mode in which the placenta is arranged or
composed; as, axile placentation; parietal placentation.
Placentiferous
Placentiferous Plac`en*tif"er*ous, a. [Placenta + -ferous.]
(Bot. & Zo["o]l.)
Having or producing a placenta.
Placentiform
Placentiform Pla*cen"ti*form, a. [Placenta + -form.] (Bot.)
Having the shape of a placenta, or circular thickened disk
somewhat thinner about the middle.
PlacentiousPlacentious Pla*cen"tious, a. [See Please.]
Pleasing; amiable. [Obs.] ``A placentious person.' --Fuller. Placuna placenta Window frame, the frame of a window which receives and
holds the sashes or casement.
Window glass, panes of glass for windows; the kind of glass
used in windows.
Window martin (Zo["o]l.), the common European martin.
[Prov. Eng.]
Window oyster (Zo["o]l.), a marine bivalve shell (Placuna
placenta) native of the East Indies and China. Its valves
are very broad, thin, and translucent, and are said to
have been used formerly in place of glass.
Window pane.
(a) (Arch.) See Pane, n., 3
(b) .
(b) (Zo["o]l.) See Windowpane, in the Vocabulary.
Window sash, the sash, or light frame, in which panes of
glass are set for windows.
Window seat, a seat arranged in the recess of a window. See
Window stool, under Stool.
Window shade, a shade or blind for a window; usually, one
that is hung on a roller.
Window shell (Zo["o]l.), the window oyster.
Window shutter, a shutter or blind used to close or darken
windows.
Window sill (Arch.), the flat piece of wood, stone, or the
like, at the bottom of a window frame.
Window swallow (Zo["o]l.), the common European martin.
[Prov. Eng.]
Window tax, a tax or duty formerly levied on all windows,
or openings for light, above the number of eight in houses
standing in cities or towns. [Eng.] Self-complacency
Self-complacency Self`-com*pla"cen*cy, n.
The quality of being self-complacent. --J. Foster.
Meaning of Placen from wikipedia
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Eupithecia placens is a moth in the
family Geometridae. It is
found in New Guinea. The
wingspan is
about 22–24 mm (0.87–0.94 in). The
forewings are whitish...
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Evergestis placens is a moth in the
family Crambidae. It was
described by
Francis Walker in 1866. It is
found on Borneo. Nuss, M.; et al. (2003–2014)...
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Cyclostrema placens is a
species of sea snail, a
marine gastropod mollusk in the
family Liotiidae. Bouchet, P. (2012).
Cyclostrema placens (Melvill & Standen...
-
Hypsopygia placens is a
species of
snout moth in the
genus Hypsopygia. It is
found in ****an, Korea,
China and Russia. The
wingspan is 23–26 mm. Adults...
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Haemateulia placens is a
species of moth of the
family Tortricidae. It is
found in Valparaíso Province, Chile. The
wingspan is
about 16 mm. Wikimedia...
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Dinumma placens is a moth of the
family Erebidae first described by
Francis Walker in 1858. It is
found in the
Indian sub-region, Sri Lanka, Thailand...
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Pirangoclytus placens is a
species of
beetle in the
family Cerambycidae. It was
described by
Chevrolat in 1862. Bezark,
Larry G. A
Photographic Catalog...
- 1982 Species: N. segregata
Binomial name
Niphonyx segregata (Butler, 1878)
Synonyms Miana segregata Butler, 1878
Telesilla placens Staudinger, 1888...
- The
Papuan treecreeper (Cormobates
placens) is a
species of bird in the
family Climacteridae. It was
previously considered a
subspecies of the white-throated...
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reticulata (C. Felder, 1861)
Synonyms Cyme
reticulata C. Felder, 1861
Barsine placens Walker, 1865
Calligenia cyclota Meyrick, 1886
Barsine intrita Swinhoe,...
