Wattle (anatomy)

As bells or trinkets ( Appendices colli ) is called the in some goats in pairs on the neck, rarely occurring on the head fur -covered Hautausstülpungen. Also in sheep and pigs may occur bells. Your training is genetic and not limited to certain types. The bell is a sac of skin that contains inside connective tissue, cartilage, muscles, nerves and blood vessels. Besides the normal skin glands no other glands are formed. A biological function of the bell is not known.