| Kind | Value | annotation | ||
| enumeration | 2_transverse medium elliptic | |||
| enumeration | 9_cylindrical | |||
| enumeration | 8_club shaped | |||
| enumeration | 7_pear shaped | |||
| enumeration | 6_trapezoidal | |||
| enumeration | 5_quadrangular | |||
| enumeration | 4_ovate | |||
| enumeration | 3_round | |||
| enumeration | 1_transverse broad elliptic |