“…Only a few histochemical studies of the ependyma of the median eminence have been made (Bock & Goslar, 1969;Goslar & Bock, 1970). In some birds the basal processes of the median eminence ependyma are loaded with aldehyde fuchsin-positive material (Oksche, Laws, nence include Bern et al (1966), Matsui (1966a,¿>), Wittkowski (1967aWittkowski ( , 1969, Matsui & Kobayashi (1968), Rodriguez (1968Rodriguez ( , 1969ft, 1972, Calas & Assenmacher (1970), , Kobayashi (1970), Kobayashi, Matsui & Ishii (1970) .…”