<prompt> Tysons glands are:Apocrine glandsHolocrine glandEccrine glandEndocrine gland  <response>: Ans. B Holocrine glandRef: Netters Essential Histology, 2nd ed. pg. 259 Tyson glands are located on external surface of prepuce and are holocrine glands. Holocrine glands are characterized by disentigration of entire cell which discharges its secretions. The holocrine glands are found everywhere except palms and soles. Sebaceous glands are usually associated with hair follicles except in following locations Eyelids: Glands of zeis and meibomian glands Nipple and areola: Montgomery tubercle Tyson glands: Prepuce 