BGDA Practical Placenta - Placental Functions: Difference between revisions

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[[File:Placental_volume_graph.jpg|thumb|400px|Human term placental volumes sorted by size (from table).]]
Morphometric indices at term of placental composition, villous capillarization and the mean cross-sectional areas of peripheral villi and capillaries, data from a study sample of 15 normal placenta (mean placental volume, 652 ml). <ref><pubmed>18328557</pubmed></ref><ref><pubmed>19141109</pubmed></ref>
 
{|
|-bgcolor="CEDFF2"
| width="150px"|'''Variable'''
| '''Unit'''
| '''Placenta''' (mean, n = 15)
|-
|Intervillous space
| mL
| 213
|-bgcolor="F5FAFF"
| Stem villi
| mL
| 71.4
|-
| Peripheral villi
| mL
| 326
|-bgcolor="F5FAFF"
| Trophoblast
| mL
| 95.5
|-
| Stroma
| mL
| 184
|-bgcolor="F5FAFF"
| Fetal capillaries
| mL
| 46.9
|-
| Non-parenchyma
| mL
| 41.5
|-bgcolor="F5FAFF"
| Peripheral villi
| km
| 89.2
|-
| Fetal capillaries
| km
| 310
|-bgcolor="F5FAFF"
| TS area villi
| µm<sup>2</sup>
| 3700
|-
| TS area capillary
| µm<sup>2</sup>
| 150
|-bgcolor="F5FAFF"
| Capillaries
| mL mL<sup>-1</sup>
| 0.147
|-
| Length ratio
| km km<sup>-1</sup>
| 3.6
|-bgcolor="F5FAFF"
|}
 





Revision as of 14:11, 29 May 2012

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Practical 14: Implantation and Early Placentation | Villi Development | Maternal Decidua | Cord Development | Placental Functions | Diagnostic Techniques | Abnormalities



Human term placental volumes sorted by size (from table).

Morphometric indices at term of placental composition, villous capillarization and the mean cross-sectional areas of peripheral villi and capillaries, data from a study sample of 15 normal placenta (mean placental volume, 652 ml). [1][2]

Variable Unit Placenta (mean, n = 15)
Intervillous space mL 213
Stem villi mL 71.4
Peripheral villi mL 326
Trophoblast mL 95.5
Stroma mL 184
Fetal capillaries mL 46.9
Non-parenchyma mL 41.5
Peripheral villi km 89.2
Fetal capillaries km 310
TS area villi µm2 3700
TS area capillary µm2 150
Capillaries mL mL-1 0.147
Length ratio km km-1 3.6


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

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Cite this page: Hill, M.A. (2024, June 3) Embryology BGDA Practical Placenta - Placental Functions. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/BGDA_Practical_Placenta_-_Placental_Functions

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
  1. <pubmed>18328557</pubmed>
  2. <pubmed>19141109</pubmed>