diaphysis

[dahy-af-uh-sis]

noun

Anatomy.

plural

diaphyses 

1. the shaft of a long bone.

diaphysis

/ ˌdaɪəˈfɪzɪəl, daɪˈæfɪsɪs /

noun

1. the shaft of a long bone Compare epiphysis

Other Word Forms

• diaphysial adjective
• diaphyseal adjective

Word History and Origins

Origin of diaphysis¹

1825–35; < New Latin < Greek, equivalent to diaphȳ́ ( esthai ) to grow between + -sis -sis

Word History and Origins

Origin of diaphysis¹

C19: New Latin, from Greek diaphusis, from diaphuesthai to grow between, from _dia- + phuein to produce

Related Words

• beam 
• chimney 
• cylinder 
• duct 
• rod 
• tunnel