MICHAEL ROSS / SCIENCE PHOTO LIBRARY MICHAEL ROSS / SCIENCE PHOTO LIBRARY
Light micrograph at 25x magnification of a sagittal section through a human pituitary gland, a small endocrine gland attached to the base of a vertebrate brain (H&E stain). The specimen shows parts of the pituitary gland: the pars distalis, pars nervosa, pars tuberalis, infundibulum, and the pars intermedia.
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