They're technically your finger bones. Also mentioned in friends, as phoebe calls herself Regina Phalange and claims to rachel there is something wrong with her plane to paris's left phalange.
Also, an awesome handshake in which you and another person put your hands out, wiggle them, and say "phalanges"! it's something much cooler than a high five, but given for the same reasons.
"Do you have DSL?"
"No you perve, i have FiOS"
"Now gimme some phalange"