Henderson, who has played for England from under-16 to under-21 level, described his call-up as a "dream come true".

"This is what dreams are made of... it's a dream come true to receive my first @England senior call up!!" he said on Twitter.

The 22-year-old is in his second season on loan with the Blades, having played a key role in their promotion to the Premier League last season.

He has yet to make a senior appearance for his parent club and has previously spent time on loan at Stockport, Grimsby and Shrewsbury.

Henderson had found himself in the spotlight following an error which gifted Liverpool the winning goal in their recent 1-0 victory at Bramall Lane.

Blades boss Chris Wilder, though, had always felt the young goalkeeper could quickly put it behind him.

"I think Gareth looks at the bigger picture as well and knows that a young man will make mistakes and how does he recover from it?" Wilder said.

"Dean has made a couple of mistakes in his time and he has recovered wonderfully well."

Jordan Pickford and Nick Pope are the other keepers in Southgate's squad.