Placenta

PARAMETER TISSUE PROBE
VOLUME placenta CAVALIERI/POINT-COUNTING
PERCENT by VOLUME placental region e.g. decidua basalis, junctional zone, labyrinth zone; maternal-blood-space, fetal capillaries and trophoblasts of the interhemal membrane AREA FRACTION FRACTIONATOR
SURFACE interhemal membrane* ISOTROPIC FAKIR
THICKNESS interhemal membrane* ORTHOGONAL INTERCEPT or NEAREST NEIGHBOR**
LENGTH fibers, capillaries, larger vessels in the placenta SPACEBALLS
NUMBER and VOLUME cells in the placenta e.g. trophoblasts OPTICAL FRACTIONATOR and NUCLEATOR

 

 

 

 

 

* ratio of surface to thickness of the interhemal membrane is needed to calculate the OXYGEN DIFFUSING CAPACITY

** see Bapatre, etal., 2021

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