1. inferior labial artery an artery that is a branch of the facial artery that supplies the lower lip
  2. inferior alveolar artery the alveolar artery that goes through the mandibular canal to supply the lower teeth
  3. infraorbital artery an artery that originates from the maxillary artery and supplies structures below the orbit (from lower eyelid to upper lip)
  4. superior labial artery an artery that is a branch of the facial artery that supplies the upper lip
  5. inferior labial vein a tributary of the facial vein that drains the lower lip
  6. inferior cerebellar artery the inferior branch of the cerebellar artery
  7. anterior cerebral artery one of two branches of the internal carotid artery
  8. anterior temporal artery temporal artery that goes to the anterior part of the cerebral cortex of the temporal lobe
  9. inferior planet any of the planets whose orbit lies inside the earth's orbit
  10. intercostal artery several arteries and supplying the intercostal spaces of the rib cage
  11. anterior meningeal artery branch of the anterior ethmoidal artery that supplies meninges in the anterior cranial fossa
  12. internal iliac artery the inner branch of the common iliac artery on either side of the body; divides into several branches that supply blood to the pelvic and gluteal areas
  13. inferior vocal cord either of the two lower vocal folds that come together to form the glottis; produce a vocal tone when they are approximated and air from the lungs passes between them
  14. interior decorator a person who specializes in designing architectural interiors and their furnishings
  15. anterior pituitary the anterior lobe of the pituitary body
  16. inferior mesenteric artery arises near the lower end of the aorta and supplies the large intestine
  17. Interior Secretary the position of the head of the Department of the Interior
  18. inferior court any court whose decisions can be appealed to a higher court
  19. internal maxillary artery the maxillary artery that supplies deep structure of the face and some of the meninges
  20. posterior cerebral artery arises from the basilar artery; divides into three branches