blood vessels of the fetal , neonatal , and adult subprimate and primate cns , including circumventricular organs ( e.g. , median eminence , pituitary gland , etc . ) , and of solid cns and nonneural ( anterior pituitary gland ) allografts placed within brains of adult mammalian hosts were visualized with peroxidase cytochemistry applied in three ways : to tissues from animals injected systemically with native horseradish peroxidase ( hrp ) or peroxidase conjugated to the lectin wheat germ agglutinin ( wga ) prior to perfusion fixation ;
C0032005
pituitary gland
C0032008
anterior pituitary gland