In anatomy, a<unk>  (plural: viscera) is an internal organ of the thorax or abdomen.
Internal organs are also known as "innards", or less formally, "guts" (which may also refer to the gastrointestinal tract).
The adjective visceral is used for anything pertaining to the internal organs.
Viscus
Dorsum 
Meniscus 
Aura 
Spinous process
Hyoid bone
Ligament
Hymen