Probe:	dhand probe16
Probe preparation:	Antisense labelled with S35 RNA

Structure	Level	Pattern	Image	Note
TS21: tongue	Present	Regionally restricted	3C	Expression was detected in the lamina propria.
TS21: submandibular gland primordium mesenchyme	Present	Regionally restricted	3C	Expression was detected in the mesenchyme surrounding the proximal ducts of the submandibular gland.
TS21: Meckel's cartilage	Ambiguous		3C	Expression was described as being very little or virtually undetectable.
TS21: mandible	Ambiguous		3C	Expression was described as being very little or virtually undetectable.

Structure	Level	Pattern	Image	Note
TS21: scapula pre-cartilage condensation	Absent

Structure	Level	Pattern	Image	Note
TS26: mandible	Weak	Scattered	3F
TS26: Meckel's cartilage	Ambiguous		3F	Very little expression was seen in Meckel's cartilage.

Structure	Level	Pattern	Image	Note
TS26: Meckel's cartilage	Absent		3I
TS26: mandible	Absent		3I
TS26: sympathetic ganglion	Present		3I

Structure	Level	Pattern	Image	Note
TS21: middle ear	Ambiguous		4C	Very little expression is observed in the middle ear.
TS21: sympathetic ganglion	Present		4C
TS21: trigeminal ganglion	Present	Regionally restricted	4C	Expression was detected in the mandibular branch of the trigeminal ganglion.

Structure	Level	Pattern	Image	Note
TS26: temporal bone	Ambiguous	Regionally restricted	4F	Little expression is observed in the tympanic bone.
TS26: mandible	Ambiguous	Regionally restricted	4F	Little expression is observed in the gonial bone.
TS26: Meckel's cartilage	Ambiguous	Regionally restricted	4F	Little expression is observed in Meckel's cartilage.
TS26: head	Weak	Regionally restricted	4F	Faint expression was found along some of the head vasculature.

Structure	Level	Pattern	Image	Note
TS26: incus	Absent		4I
TS26: malleus	Absent		4I

Structure	Level	Pattern	Image	Note
TS26: incus	Absent		4L
TS26: stapes	Absent		4L
TS26: malleus	Absent		4L	Expression was not detected in the manubrium of the malleus.

Structure	Level	Pattern	Image	Note
TS26: sympathetic ganglion	Present		4O
TS26: glossopharyngeal ganglion	Weak		4O

Structure	Level	Pattern	Image	Note
TS26: hyoid	Absent		4R
TS26: adipose tissue	Strong	Regionally restricted	4R	Strong expression was detected in the adipose tissue at the base of the neck.

Structure	Level	Pattern	Image	Note
TS26: submandibular gland	Present		4R'

Structure	Level	Pattern	Image	Note
TS21: tongue	Present		5C
TS21: lower jaw incisor mesenchyme	Present	Regionally restricted	5C	Expression was detected in the mesenchyme surrounding the incisor enamel organs.
TS21: Meckel's cartilage	Absent		5C

Structure	Level	Pattern	Image	Note
TS21: mandible mesenchyme	Absent		5F	Expression was not observed around the mandibular molars.

Structure	Level	Pattern	Image	Note
TS23: incisor dental papilla	Present		5I
TS23: incisor mesenchyme	Present		5I	Expression was detected in the mesenchyme surrounding the dental papilla.
TS23: Meckel's cartilage	Absent		5I

Structure	Level	Pattern	Image	Note
TS23: lower jaw molar dental papilla	Absent		5L
TS23: tongue	Strong	Regionally restricted	5L	Strong expression was detected in the lamina propria of the tongue.

Structure	Level	Pattern	Image	Note
TS26: lower jaw incisor dental papilla	Weak		5O
TS26: mandible	Weak	Regionally restricted	5O	Weak expression was observed in distal mandibular bone.
TS26: lower jaw mesenchyme	Weak	Regionally restricted	5O	Weak expression was detected in the mesenchyme surrounding the incisor.
TS26: Meckel's cartilage	Absent		5O

Structure	Level	Pattern	Image	Note
TS26: lower jaw molar	Absent		5R	No signal was detected in the mandibular molar or surrounding mesenchyme.