The secretions of these accessory glands in urethra of male Rabbit neutralizes the urinary residue and vaginal acidity

Question

$\begin {array} {1 1} (1)\;Rectal\: glands & \quad (2)\;Prostate\: glands \\ (3)\;Perineal\: glands & \quad (4)\;Cowper's\: glands \end {array}$