Plural of placenta
irregular plural
The plural of placenta is placentae or placentas.
Forms of placenta
| Singular | placenta /pləˈsɛntə/ |
|---|---|
| Plural | placentae placentas |
| Countable | countable |
Placentae and placentas in a sentence
- Late in gestation DNMT1o-deficient placentas had greater spongiotrophoblast content and reduced labyrinth vascular surface area.2015 August 5, “Partial Loss of Genomic Imprinting Reveals Important Roles for Kcnq1 and Peg10 Imprinted Domains in Placental…. From the entry spongiotrophoblast
- Specialized hemophagous regions are a striking characteristic of some of these placentas yet absent in hyraxes, elephant shrews, and golden moles.2004, “Placentation in species of phylogenetic importance: the Afrotheria”, in Animal Reproduction Science. From the entry placentation
- But there were clues in their reproduction: all afrotherians have unusual placentas and produce more foetuses than can be nurtured in the womb.2018, Tim Flannery, Europe: A Natural History, page 59. From the entry foetus
- Placentas and endometrial tissue was collected at 52–55 days of pregnancy by surgical embryectomy which involved removal of the entire conceptus and surrounding endometrial tissue.2015 August 13, “Differential Effects of Sodium Butyrate and Lithium Chloride on Rhesus Monkey Trophoblast Differentiation”, in PLOS ONE…. From the entry embryectomy
Meaning of placenta
- noun An organ in most mammals during gestation that supplies food and oxygen to the foetus and passes back waste. It is on the wall of the uterus and links to the foetus through the umbilical cord. It is expelled after birth.
- noun In flowering plants, the part of the ovary where ovules develop; in non-flowering plants where the spores develop.
Nouns ending in -a: plural -ae
Questions about the plural of placenta
- What is the plural of placenta?
- The plural of placenta is placentae or placentas.
- Which is correct, placentae or placentas?
- Both are used. placentas is the more common of the two in English writing.
- Is placenta countable?
- Placenta is a countable noun.
Source and license
Adapted from Wiktionary: placenta (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.
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Cite this page: “Plural of placenta.” Word.ws, https://word.ws/plural/placenta. Based on Wiktionary, CC BY-SA 4.0.