Aston Villa boss Tim Sherwood urges Christian Benteke to follow Fabian Delph's lead and commit his future to the club.
Bournemouth manager Eddie Howe has vowed to give his promotion heroes the chance to shine in the Premier League.
Pritchard, 20, a reported target for Liverpool recently, has impressed for Spurs' youth and reserve sides but has yet to make a first-team appearance for the Barclays Premier League club.
Posh chairman Darragh MacAnthony said via Twitter: "Delighted to announce loan signing of Alex Pritchard from Spurs who has joined until end of season. He is a fantastic young talent.
"Myself & Gaffer watched this young lad destroy our reserve team couple weeks ago scoring 4 goals from playing left wing / right wing / attacking midfield."