intrinsic
1. [ adjective ] belonging to a thing by its very nature
Synonyms: intrinsical
Examples:

"form was treated as something intrinsic, as the very essence of the thing"- John Dewey

Related terms: extrinsic built-in inner essential inalienable
2. [ adjective ] (anatomy) situated within or belonging solely to the organ or body part on which it acts
Examples:

"intrinsic muscles"

Related terms: anatomy internal
Similar spelling:   intrinsical
  intricate
  intricacy
  in_turn
  intricately
  Indri_indri
  Intropin
  intrigue
  intrench
  intransitive
  intrusive
  intrusion
  intruding
  introitus
  intriguer
  intron
  indris
  intriguing
  intertrigo
  interim
  indrawn