Medulla. Seems to me that Loop of Henle epithelium is positive. Collecting ducts are negative.

Bronchial epithelium is positive.

Strong positivity in bronchiolar and alveolar epithelium.

Strong alveolar epithelium positivity.

Strong positivity in bronchiolar and alveolar epithelium

Black arrowheads indicate dividing neurones. I think red arrowheads indicate migrating neurones ( along radial glia).

Lateral ventricle showing positive progenitor neurones in svz and also at exit zone.

HeS cells implanted into mouse skin.