hypophysis

noun

1. The pituitary gland.

   “CHAPTER VI / THE DISEASES OF THE HYPOPHYSIS [PITUITARY GLAND]”

2. The top cell of the suspensor in a dicot embryo, which will differentiate to form part of the root cap.

   “All the cells of the suspensor, except one, are eventually crushed and obliterated by the growing embryo; this fortunate cell known as the hypophysis is the one in immediate contact with the embryo and plays an important role in the formation of the root apex.”