![](/upload/media/research/HistoMAX/MSVA/PAPP-A/normal/GTX04437_normal_33.jpg) |
Pituitary gland (posterior lobe) |
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![](/upload/media/research/HistoMAX/MSVA/PAPP-A/normal/GTX04437_normal_34.jpg) |
Placenta (amnion and chorion) – Chorion cells show moderate to strong PAPP A immunostaining. Staining is also seen in the stroma, probably due to the „secreted“ nature of the protein. |
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![](/upload/media/research/HistoMAX/MSVA/PAPP-A/normal/GTX04437_normal_35.jpg) |
Placenta (first trimester) – Trophoblast cells of a first trimester placenta exhibiting a moderate to strong PAPP A immunostaining. |
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![](/upload/media/research/HistoMAX/MSVA/PAPP-A/normal/GTX04437_normal_36.jpg) |
Placenta (first trimester) – Strong PAPP A immunostaining of trophoblast cells of a first trimester placenta. |
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