Possible Clues:

• Endocrine gland
• Gland located near the base of the neck
• Your old staff restricts current growth-regulating body
• Gland that may be overactive
• Your old French king takes hundreds in the neck?
• I broke into your bar — you'll get it in the neck
• Teach your extremely old papers -- you've got some neck?
• It's involved with horm­­ones and it's involved with hydro treatment
• Neighbor of the Adam's apple
• Gland that regulates metabolism