Antibody:	anti-neurofilament clone 2H3
Detection system:	Secondary antibody coupled to horseradish peroxidase

Structure	Level	Pattern	Image	Note
TS17: peripheral nervous system	Present		4A	Authors report a regular periodicity with which spinal nerves and ganglia form.
TS17: spinal ganglion	Present		4A	Authors report a regular periodicity with which spinal nerves and ganglia form.
TS17: dorsal root ganglion	Present		4A	Authors report a regular periodicity with which spinal nerves and ganglia form.
TS17: spinal nerve	Present		4A	Authors report a regular periodicity with which spinal nerves and ganglia form.

Structure	Level	Pattern	Image	Note
TS17: segmental spinal nerve	Present		4B	Ventral spinal axons pass through anterior of somite segments.

Structure	Level	Pattern	Image	Note
TS17: tail neural tube	Present		4F

Structure	Level	Pattern	Image	Note
TS17: peripheral nervous system	Present		4C	Spinal ganglia and axons are unevenly spaced.
TS17: spinal ganglion	Present		4C	Spinal ganglia and axons are unevenly spaced.
TS17: dorsal root ganglion	Present		4C	Spinal ganglia and axons are unevenly spaced.
TS17: spinal nerve	Present		4C	Spinal ganglia and axons are unevenly spaced.

Structure	Level	Pattern	Image	Note
TS17: segmental spinal nerve	Present		4D	Spinal axons pass through anterior, posterior or central part of somite segments.

Structure	Level	Pattern	Image	Note
TS17: tail neural tube	Present		4G	Authors report that the neural tube is "kinked."

Structure	Level	Pattern	Image	Note
TS19: peripheral nervous system	Present		4E	Spinal ganglia and axons are unevenly spaced.
TS19: spinal ganglion	Present		4E	Spinal ganglia and axons are unevenly spaced.
TS19: spinal nerve	Present		4E	Spinal ganglia and axons are unevenly spaced.