Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. See pituitary gland.

from Wiktionary, Creative Commons Attribution/Share-Alike License

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

from the GNU version of the Collaborative International Dictionary of English

  • n. See Pituitary body, under pituitary.
  • n. Cataract.

from The Century Dictionary and Cyclopedia

  • n. The pituitary body of the brain, which is lodged in the sella turcica of the sphenoid bone, and attached to the tuber cinereum of the brain by the infundibulum.
  • n. In bot: In angiosperms, the layer of cells in the embryo resulting from the successive fission of the penultimate cell of the suspensor, which gives rise to the primary root and root-cap.
  • n. In mosses, an enlargement of the pedicel at the base of the capsule. Also called, less correctly, apophysis. See cut under Andreæa.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the master gland of the endocrine system; located at the base of the brain

Etymologies

New Latin, from Greek hupophusis, attachment underneath, from hupophuein, to grow up beneath : hupo-, hypo- + phuein, to make grow; see bheuə- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Greek ὑπό (hypo, "under") + φύσις (physis, "nature"), from φύω (phyō, "to bring forth"). (Wiktionary)

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