What is the Hyman in a girl?

Answer 1

The hymen is a membrane that surrounds or partially covers the external vaginal opening. It forms part of the vulva, or external genitalia.[1][2] The size of the hymenal opening increases with age. Although an often practiced method, it is not possible to confirm that a girl or woman is a virgin by examining her hymen.[2] The hymen can break from physical activity, tampons, or from sexual intercourse.[3]

In children, although a common appearance of the hymen is crescent-shaped, many variations are possible.[1] After a woman gives birth, she may be left with remnants of the hymen, called crankily myrtiformes, or the hymen may be completely absent.[4]