| / English Dictionary |
PLACENTAL
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Mammals having a placenta; all mammals except monotremes and marsupials
Synonyms:
eutherian; eutherian mammal; placental; placental mammal
Classified under:
Hypernyms ("placental" is a kind of...):
mammal; mammalian (any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk)
Hyponyms (each of the following is a kind of "placental"):
digitigrade; digitigrade mammal (an animal that walks so that only the toes touch the ground as e.g. dogs and cats and horses)
plantigrade; plantigrade mammal (an animal that walks with the entire sole of the foot touching the ground as e.g. bears and human beings)
proboscidean; proboscidian (massive herbivorous mammals having tusks and a long trunk)
colugo; flying cat; flying lemur (arboreal nocturnal mammal of southeast Asia and the Philippines resembling a lemur and having a fold of skin on each side from neck to tail that is used for long gliding leaps)
tree shrew (insectivorous arboreal mammal of southeast Asia that resembles a squirrel with large eyes and long sharp snout)
primate (any placental mammal of the order Primates; has good eyesight and flexible hands and feet)
anteater; pangolin; scaly anteater (toothless mammal of southern Africa and Asia having a body covered with horny scales and a long snout for feeding on ants and termites)
edentate (primitive terrestrial mammal with few if any teeth; of tropical Central America and South America)
pachyderm (any of various nonruminant hoofed mammals having very thick skin: elephant; rhinoceros; hippopotamus)
coney; cony; das; dassie; hyrax (any of several small ungulate mammals of Africa and Asia with rodent-like incisors and feet with hooflike toes)
unguiculate; unguiculate mammal (a mammal having nails or claws)
Unguiculata (in former classifications a major division of Mammalia comprising mammals with nails or claws; distinguished from hoofed mammals and cetaceans)
hoofed mammal; ungulate (any of a number of mammals with hooves that are superficially similar but not necessarily closely related taxonomically)
Ungulata (in former classifications a major division of Mammalia comprising all hoofed mammals; now divided into the orders Perissodactyla (odd-toed ungulates) and Artiodactyla (even-toed ungulates))
gnawer; rodent (relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing)
gnawing mammal; lagomorph (relative large gnawing animals; distinguished from rodents by having two pairs of upper incisors specialized for gnawing)
bat; chiropteran (nocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigate)
aardvark; ant bear; anteater; Orycteropus afer (nocturnal burrowing mammal of the grasslands of Africa that feeds on termites; sole extant representative of the order Tubulidentata)
Fissipedia (in some classifications considered a suborder of Carnivora)
carnivore (a terrestrial or aquatic flesh-eating mammal)
aquatic mammal (whales and dolphins; manatees and dugongs; walruses; seals)
insectivore (small insect-eating mainly nocturnal terrestrial or fossorial mammals)
doe (mature female of mammals of which the male is called 'buck')
buck (mature male of various mammals (especially deer or antelope))
yearling (an animal in its second year)
cow (mature female of mammals of which the male is called 'bull')
bull (mature male of various mammals of which the female is called 'cow'; e.g. whales or elephants or especially cattle)
farm animal; livestock; stock (any animals kept for use or profit)
Holonyms ("placental" is a member of...):
Eutheria; subclass Eutheria (all mammals except monotremes and marsupials)
Derivation:
placental (pertaining to or having or occurring by means of a placenta)
II. (adjective)
Sense 1
Meaning:
Pertaining to or having or occurring by means of a placenta
Example:
all mammals except monotremes and marsupials are placental mammals
Classified under:
Similar:
transplacental (occurring through or by way of the placenta)
Antonym:
aplacental (having no placenta)
Derivation:
placenta (the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus)
placenta (that part of the ovary of a flowering plant where the ovules form)
placental (mammals having a placenta; all mammals except monotremes and marsupials)
Context examples:
This technology may lead to better understanding of normal placental processes and placental disorders.
(Researchers design placenta-on-a-chip to better understand pregnancy, NIH)
Alkaline phosphatase, placental type (535 aa, ~58 kDa) is encoded by the human ALPP gene.
(Alkaline Phosphatase, Placental Type, NCI Thesaurus)
Placental cells from boys were also found to be more susceptible to the toxic effects of a drug that blocked spermine production.
(Baby’s sex affects mother’s metabolism and may influence risk of pregnancy-related complications, University of Cambridge)
This protein plays a role in placental growth.
(Pleckstrin Homology-Like Domain Family A Member 2, NCI Thesaurus)
A humanized monoclonal antibody directed against placental growth factor (PLGF) with potential anti-angiogenic and antineoplastic acivities.
(Anti-PLGF Monoclonal Antibody TB-403, NCI Thesaurus)
This allele, which encodes alkaline phosphatase, placental type protein, is involved in placental alkaline phosphatase activity.
(ALPP wt Allele, NCI Thesaurus)
It includes the exaggerated placental site and placental site nodule or plaque.
(Non-Neoplastic, Non-Molar Trophoblastic Disorder, NCI Thesaurus)
One of the primary functions of this cell is in implantation and in the establishment of the uteroplacental circulation since it extensively invades the spiral arteries at the placental site.
(Intermediate Type Trophoblastic Cell, NCI Thesaurus)
A neoplasm arising from decidua (placental) cells in which the malignancy status has not been established.
(Placental Neoplasm, NCI Thesaurus/CDISC)
Any physiologic process that results in modulated activity of any of the placental hormones, including choriogonadotropic hormone, chorionic somatomammotropin hormone, inhibin, estrogen and progesterone.
(Placental Hormone Activity Alteration, NCI Thesaurus)
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