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Definition of Placenta
1. Noun. That part of the ovary of a flowering plant where the ovules form.
2. Noun. The vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus.
Generic synonyms: Vascular Structure
Group relationships: Uterus, Womb
Specialized synonyms: Afterbirth
Derivative terms: Placental
Definition of Placenta
1. n. The vascular appendage which connects the fetus with the parent, and is cast off in parturition with the afterbirth.
Definition of Placenta
1. Noun. (anatomy) A vascular organ in mammals, except monotremes and marsupials, present only in the female during gestation. It supplies food and oxygen from the mother to the foetus, and passes back waste. It is implanted in the wall of the uterus and links to the foetus through the umbilical cord. It is expelled after birth. ¹
2. Noun. (botany) In flowering plants, the part of the ovary where ovules develop; in non-flowering plants where the spores develop. ¹
¹ Source: wiktionary.com
Definition of Placenta
1. a vascular organ in most mammals [n -TAS or -TAE]
Medical Definition of Placenta
1.
Lexicographical Neighbors of Placenta
Literary usage of Placenta
Below you will find example usage of this term as found in modern and/or classical literature:
1. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1899)
"In ordinary cases the placenta must be removed by the hand in but fa of 1 per
... The placenta in Triple Pregnancy.—In the American Journal of Obstetrics, ..."
2. Anatomy, Descriptive and Surgical by Henry Gray (1870)
"The placenta is the organ by which the connection between the foetus and mother is
... The villi of the chorion (or foetal placenta) gradually enlarge, ..."
3. The Lancet (1898)
"The Occurrence of a Vitelline placenta in the Suman Subject. Professor SIMPSON
showed an Anencephalic Foetus which had been associated with marked ..."
4. Microscopical Morphology of the Animal Body in Health and Disease by Carl Heitzmann (1882)
"The placenta and the umbilical cord have been subjects of research iu my laboratory,
... It is acknowledged that the placenta represents a connective-tissue ..."
5. Surgery, Gynecology & Obstetrics by The American College of Surgeons, Franklin H. Martin Memorial Foundation (1921)
"The placenta in this case was shaped as follows: The cord was attached at a point
about one inch from the margin of the placenta. Along the edge nearest to ..."
6. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1899)
"In ordinary cases the placenta must be removed by the hand in but fa of 1 per
... The placenta in Triple Pregnancy.—In the American Journal of Obstetrics, ..."
7. Anatomy, Descriptive and Surgical by Henry Gray (1870)
"The placenta is the organ by which the connection between the foetus and mother is
... The villi of the chorion (or foetal placenta) gradually enlarge, ..."
8. The Lancet (1898)
"The Occurrence of a Vitelline placenta in the Suman Subject. Professor SIMPSON
showed an Anencephalic Foetus which had been associated with marked ..."
9. Microscopical Morphology of the Animal Body in Health and Disease by Carl Heitzmann (1882)
"The placenta and the umbilical cord have been subjects of research iu my laboratory,
... It is acknowledged that the placenta represents a connective-tissue ..."
10. Surgery, Gynecology & Obstetrics by The American College of Surgeons, Franklin H. Martin Memorial Foundation (1921)
"The placenta in this case was shaped as follows: The cord was attached at a point
about one inch from the margin of the placenta. Along the edge nearest to ..."