Antibody:	anti-MyoD 5.8A
Detection system:	Secondary antibody coupled to horseradish peroxidase

Structure	Level	Pattern	Image	Note
TS21: cranial muscle	Present		1B

Structure	Level	Pattern	Image	Note
TS22: facial muscle	Present		1E

Structure	Level	Pattern	Image	Note
TS15: 1st branchial arch	Present	Regionally restricted	5A	Expression is in the core of the mandibular arch in muscle precursor cells and is absent along the mandibular nerve pathway.

Structure	Level	Pattern	Image	Note
TS15: 1st branchial arch	Present	Regionally restricted	5B	Expression is in the core of the mandibular arch in muscle precursor cells and is absent along the mandibular nerve pathway.

Structure	Level	Pattern	Image	Note
TS17: 1st branchial arch mandibular component mesenchyme	Present	Regionally restricted	5D	Expression is in muscle precursors.

Structure	Level	Pattern	Image	Note
TS19: mandibular process	Present	Regionally restricted	5E	Expression is in muscle precursors and encircle the mandibular nerve at the region distal to the trigeminal ganglion.

Structure	Level	Pattern	Image	Note
TS19: mandibular process	Present	Regionally restricted	5G	Expression is in muscle precursors and encircle the mandibular nerve at the region distal to the trigeminal ganglion.

Structure	Level	Pattern	Image	Note
TS20: jaw	Present	Regionally restricted	5H	Expression is in muscle precursors and encircle the mandibular nerves and includes the tensor veli palatini precursor.
TS20: muscle tissue	Present	Regionally restricted	5H	Expression is in muscle precursors and encircle the mandibular nerves and includes the tensor veli palatini precursor.