Antibody:	anti-PGP 9.5
Detection system:	Biotinylated secondary antibody/[Strept]avidin coupled to horseradish peroxidase

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

Structure	Level	Pattern	Image	Note
TS26: superior cervical ganglion	Strong		3C	Expressed in the neurons.
TS26: carotid body	Present		3C	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	5A	Expressed in the carotid body rudiment as aggregations of cells in the medial wall.
TS21: glossopharyngeal nerve	Present		5A
TS21: vagus ganglion	Present		5A
TS21: superior cervical ganglion	Present		5A	Also expressed in some neurons encountered around the carotid body rudiment, which were continuous with the superior cervical ganglion.

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

Structure	Level	Pattern	Image	Note
TS21: internal carotid artery	Present	Regionally restricted	5E	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		5E
TS21: superior cervical ganglion	Present		5E
TS21: vagus ganglion	Present		5E

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