caudally and separate from the carotid body , isolated groups of periadventitial type 1 and 2 cells were found in 5 out of 8 specimens around the occipitoascending pharyngeal trunk , origin of the occipital artery , external carotid artery and rostral part of the common carotid artery .
C0007277
carotid body
C0162859
common carotid artery