Antibody:	anti-Tubulin beta 3 (clone TUJ1, MMS-435P/801202)
Detection system:	Biotinylated secondary antibody/[Strept]avidin coupled to horseradish peroxidase

Structure	Level	Pattern	Image	Note
TS26: superior cervical ganglion	Present		1C	There is no cell stream running toward the carotid artery.

Structure	Level	Pattern	Image	Note
TS24: carotid artery	Present	Regionally restricted	2B	Expressed in the glomus cells of the carotid body.
TS24: superior cervical ganglion	Present		2B

Structure	Level	Pattern	Image	Note
TS26: superior cervical ganglion	Strong		3D	Expressed in the neurons.
TS26: carotid body	Present		3D	Expressed in the glomus cells and nerve fibers within the carotid body parenchyma.

Structure	Level	Pattern	Image	Note
TS21: common carotid artery	Present	Regionally restricted	5B	Expressed in the carotid body rudiment as aggregations of cells in the medial wall. Dense expression in nerve fibers within the carotid body.
TS21: glossopharyngeal nerve	Present		5B
TS21: superior cervical ganglion	Present		5B
TS21: vagus ganglion	Present		5B

Structure	Level	Pattern	Image	Note
TS21: internal carotid artery	Present	Regionally restricted	5D	Faintly expressed in the carotid body rudiment as aggregations of cells in the ventromedial wall. Dense expression in the nerve fascicules and neurons derived from the superior cervical ganglion.
TS21: glossopharyngeal nerve	Present		5D
TS21: superior cervical ganglion	Present		5D
TS21: vagus ganglion	Present		5D

Structure	Level	Pattern	Image	Note
TS21: internal carotid artery	Present	Regionally restricted	5F	Expressed in the nerve fascicules and neurons derived from the superior cervical ganglion. No carotid body rudiment was formed in the wall.
TS21: glossopharyngeal nerve	Present		5F
TS21: superior cervical ganglion	Present		5F
TS21: vagus ganglion	Present		5F

Structure	Level	Pattern	Image	Note
TS22: common carotid artery	Strong	Regionally restricted		Expressed in the carotid body.