1. (

• epiphysis

) the end of a long bone; initially separated from the main bone by a layer of cartilage that eventually ossifies so the parts become fused ;

2. (

• pineal_gland ,
• pineal_body ,
• epiphysis_cerebri ,
• epiphysis ,

) a small endocrine gland in the brain; situated beneath the back part of the corpus callosum; secretes melatonin ;