placental

Definitions

  • WordNet 3.6
    • adj placental pertaining to or having or occurring by means of a placenta "all mammals except monotremes and marsupials are placental mammals"
    • n placental mammals having a placenta; all mammals except monotremes and marsupials
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Webster's Revised Unabridged Dictionary
    • Placental Of or pertaining to the placenta; having, or characterized by having, a placenta; as, a placental mammal.
    • Placental (Zoöl) Of or pertaining to the Placentalia.
    • n Placental (Zoöl) One of the Placentalia.
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Century Dictionary and Cyclopedia
    • placental Of or pertaining to the placenta.
    • placental Forming or constituted by a placenta: as, placental gestation; a placental part of the chorion.
    • placental Provided with a placenta; placentate or placentary: as, a placental mammal.
    • n placental A placental mammal; any member of the Placentalia.
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Usage

In literature:

Arsenic is a powerful abortive agent in the guinea-pig, probably on account of placental hemorrhages.
"Anomalies and Curiosities of Medicine" by George M. Gould
Not single specimen of any higher, or placental, mammal has yet been found in the whole Mesozoic Era.
"The Story of Evolution" by Joseph McCabe
Omnia enim nostra, supra modum placent.
"The Anatomy of Melancholy" by Democritus Junior
Some advanced into placental forms.
"The Whence and the Whither of Man" by John Mason Tyler
Placental vessels inserted into the arteries of the mother.
"Zoonomia, Vol. I" by Erasmus Darwin
A placental embryo; 4.
"Lay Sermons, Addresses and Reviews" by Thomas Henry Huxley
The decarbonation of the blood requires the placental and uterine membranes to be in contact with each other.
"The People's Common Sense Medical Adviser in Plain English" by R. V. Pierce
Si cuiquam desint Cerelia dona, nec illi Lenaei patris munera grata placent.
"Christmas: Its Origin and Associations" by William Francis Dawson
The foal may, however, die from the cessation of the placental circulation unless it is speedily delivered.
"Special Report on Diseases of the Horse" by United States Department of Agriculture
Hi placuere tibi, placeat devotio nostra; Rex bone, Rex clemens, cui bona cuncta placent.
"The St. Gregory Hymnal and Catholic Choir Book" by Various
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In news:

You find the aborted fetus or the cow with placental membranes hanging from the vulva.
This fossil is believed to be the earliest placental mammal ever discovered.
Most of the genetic difference between marsupials and placental mammals comes from non-coding sequences, not proteins, according to the first marsupial genome sequence, unveiled in this week's Nature.
Carrie called into the show to ask our advice about eating her own placent after she gives birth what do you think.
"Human placental capsules that make treatment claims … must be accompanied by well-designed and controlled clinical studies to support approval/licensure," Mejia wrote in an e-mail.
The researchers also treated placental cultures with several strains of HIV and found that when they added "minute quantities of LIF to the cultures, HIV replication was blocked.".
As repeat cesareans increase, so do placental abnormalities.
A woman with terminal bone marrow failure was saved at the Hadassah Medical Center with placental stem cell therapy, marking the second successful treatment of a patient with this life-threatening medical condition in three months.
Biologists call the first group placental mammals and the second group marsupial mammals.
Tetraploid embryos are unable to develop beyond the placental stage, but injecting the reprogrammed stem-cells into the tetraploid embryo allowed it to develop into a live, late-gestation fetus.
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In science:

It has also been argued that in the mid-infrared it is difficult to tell if one is observing dust emission from a circumstellar accretion disk or dust emission from the placental envelope (Vinkovi´c et al. 2000).
A Search for H2 Outflow Signatures from Massive Star Formation Regions Containing Linearly Distributed Methanol Masers
The far-infrared and sub-millimeter can probe the cool thermal emission from a dust disk with minimal contamination from the placental envelope, however no far-infrared facility exists that has the sub-arcsecond resolution to observe disks around these sources.
A Search for H2 Outflow Signatures from Massive Star Formation Regions Containing Linearly Distributed Methanol Masers
They clearly show that even nuclear sequences of placental mammals are prone to significant base composition shifts.
Measuring Fit of Sequence Data to Phylogenetic Model: Gain of Power using Marginal Tests
Japan. Waddell, P.J., N. Okada, and M. Hasegawa. 1999. Towards resolving the interordinal relationships of placental mammals.
Measuring Fit of Sequence Data to Phylogenetic Model: Gain of Power using Marginal Tests
Evol. 8: 398-414. Waddell, P. J., S. Umehara, K.-C. Griche and H. Kishino. (2006). Quantitative Assessments of Genome-Wide Indels Support Atlantogenata at the Root of Placental Mammals. RM 1022, Institute of Statistical Mathematics, Tokyo. Waters, P.D., G.
Measuring Fit of Sequence Data to Phylogenetic Model: Gain of Power using Marginal Tests
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