What is it called when the hairline is kind of an inverse widow’s peak ?

Question

when there’s a little spot (maybe triangle-ish) of hair missing right at the top?

i’ve been googling to no avail.

my 16 year old brother has it and is getting paranoid about it, he doesnt remember if he has had it all his life or if it has just recently came

Answer 1

not sure.but check your brothers pictures from before years and see if he has it then

Answer 2

a mess

Answer 3

A receding hairline