Assertion: carotid artery's branch | /r/HasProperty | inconstant
Facets:
Source sentences:
text: It has two branches: the carotid tympanic branch, which enters the eardrum; and the pterygoid branch , which is inconstant and anastomose to the branch of the internal maxilla.
text: It has two branches: the branch, which enters the eardrum; and the , which is inconstant and anastomose to the branch of the internal maxilla.