Placenta - Histology

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Introduction

Placental villi with RBC detail.

This page introduces the histology of the placenta, the placental cord and fetal membranes.

Various developmental stages of the placental villi are shown including maternal decidua.

There are images of placental cord and the placental vessels (vein and arteries).


Placenta Links: placenta | Lecture - Placenta | Lecture Movie | Practical - Placenta | implantation | placental villi | trophoblast | maternal decidua | uterus | endocrine placenta | placental cord | placental membranes | placenta abnormalities | ectopic pregnancy | Stage 13 | Stage 22 | placenta histology | placenta vascular | blood vessel | cord stem cells | 2013 Meeting Presentation | Placenta Terms | Category:Placenta
Historic Embryology - Placenta 
1883 Embryonic Membranes | 1907 Development Atlas | 1909 | 1910 Textbook | 1917 Textbook | 1921 Textbook | 1921 Foetal Membranes |1921 human | 1921 Pig implantation | 1922 Single placental artery | 1923 Placenta Review | 1939 umbilical cord | 1943 human and monkey | 1944 chorionic villus and decidua parietalis | 1946 placenta ageing | 1960 first trimester placenta | 1960 monkey | 1972 Placental circulation | Historic Disclaimer
Histology Links: stains | fixatives | artifacts | menstrual histology | placenta histology | heart histology | liver histology | Pancreas | Gall Bladder | Colon | Renal | Respiratory Histology | Bone | Category:Histology | UNSW Histology
  Historic Histology Textbooks: 1941 Histology] | 1944 Oral Histology
Histology Glossary: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ANAT2241 Support | Histology | Histology Stains | Embryology Glossary

Hofbauer Cells

Placental villi Hofbauer cells[1]

Hofbauer (1903) identified a sub-population of cells in the placenta that could be identified by specific histological stains, the finding he published 2 years later in 1905.[2] The cells have subsequently been named Hofbauer cells, see also the historic 1918 paper by Meyer.[3]

  • human villous macrophages
  • highly vacuolated cells
  • located the core of placental villi and cord
  • macrophages with micropinocytotic activity and phagocytosis ability
  • possible paracrine role for early stages of placental vasculogenesis


Search PubMed" Hofbauer cells

Historic Links: 1918 plasma cells of Hofbauer | 1921 Early descriptions of Hofbauer cells

Villi Histology

Villi Histology: First trimester (overview | villi | detail) | fetal and maternal RBCs | Term (overview | villi | detail) | Cord Histology | Placenta Histology | Placenta Development

Cord Histology

Placental Cord Histology: Cord overview | Vein | Artery | Artery | Allantois | Epithelium | Cord overview 1 unlabeled | overview 2 unlabeled | unlabeled vein and connective tissue | unlabeled connective tissue | Villi histology | Placenta Histology

Blood Histology

Placental villi 6.jpg

Placental villi with fetal and maternal red blood cell (RBC) detail.

Abnormal Histology

Other Species Placenta


References

  1. <pubmed>22606231</pubmed>| PLoS One.
  2. Hofbauer J. About the constant occurrence hitherto unknown cellular form elements in the chorionic villus of the human placenta. (Uber das konstante Vorkommen hisher unbekannter zelliger Formelemente in der Chorionzotte der menschlichen Placenta.) Wien. klin. Wehnsohr., vol. 16. , 1905. Giundziige einer Biologie der menschlichen Plazenta. Leipzig.
  3. Meyer AW. On the nature, occurrence, and identity of the plasma cells of Hofbauer. (1918) J Morphol. 32(1): 327-350.

Reviews

Articles

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Search Pubmed: Placenta Histology

Glossary Links

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Cite this page: Hill, M.A. (2024, March 19) Embryology Placenta - Histology. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Placenta_-_Histology

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G