Probe:	mdkk-1 cDNA
Probe preparation:	Antisense RNA

Structure	Level	Pattern	Image	Note
TS20: brain	Present		3J
TS20: forelimb	Present		3J
TS20: hindlimb	Present		3J
TS20: mandibular process mesenchyme	Present		3J
TS20: maxillary process mesenchyme	Present		3J
TS20: perioptic mesenchyme	Present		3J	Expressed in optic cups.

Structure	Level	Pattern	Image	Note
TS20: brain	Present		3K
TS20: eye	Present		3K
TS20: forelimb	Present		3K
TS20: hindlimb	Present		3K
TS20: maxillary process mesenchyme	Present		3K

Structure	Level	Pattern	Image	Note
TS20: brain	Present		3L
TS20: forelimb	Present		3L
TS20: hindlimb	Present		3L

Structure	Level	Pattern	Image	Note
TS17: midbrain	Present	Regionally restricted	4C	Expressed in the developing ventral midbrain.
TS17: optic cup	Present		4C	Expressed in the optic vesicles.
TS17: 1st branchial arch	Present		4C
TS17: apical ectodermal ridge	Present		4C
TS17: limb mesenchyme	Present	Regionally restricted	4C	Expressed in the posterior necrotic zone and in the very distal mesenchyme.

Structure	Level	Pattern	Image	Note
TS19: diencephalon	Present		5D inset

Structure	Level	Pattern	Image	Note
TS20: midbrain	Present		5E inset right

Structure	Level	Pattern	Image	Note
TS20: vomeronasal organ	Present		6J
TS20: vomeronasal organ mesenchyme	Present	Regionally restricted	6J	Expressed in the mesenchyme below the vomeronasal domain.

Structure	Level	Pattern	Image	Note
TS19: apical ectodermal ridge	Present		7D

Structure	Level	Pattern	Image	Note
TS20: limb digit	Present	Regionally restricted	7E	Expressed distally and in the interdigital mesenchymal domain.
TS20: digit mesenchyme	Present	Regionally restricted	7E	Expressed in the interdigital mesenchymal domain.

Structure	Level	Pattern	Image	Note
TS21: limb digit	Present	Regionally restricted	7F	Expressed in the distal tip of the digits and in the interdigital mesenchymal domain.
TS21: digit mesenchyme	Present	Regionally restricted	7F	Expressed in the interdigital mesenchymal domain.

Structure	Level	Pattern	Image	Note
TS17: mesonephros	Present		8E
TS17: nephric duct	Present		8E

Structure	Level	Pattern	Image	Note
TS20: metanephros	Present	Regionally restricted	8H	Expressed in the urethric buds.
TS20: primitive collecting duct	Present		8H
TS20: renal vesicle	Present		8H

Structure	Level	Pattern	Image	Note
TS19: genital tubercle	Present	Regionally restricted	8K	Expressed in the distal urethral epithelium.

Structure	Level	Pattern	Image	Note
TS20: eye	Present		S1B
TS20: limb	Present		S1B
TS20: face	Present		S1B	Expressed in the craniofacial regions.

Structure	Level	Pattern	Image	Note
TS20: vomeronasal organ mesenchyme	Present	Regionally restricted	S2C	Expressed in the mesenchymal domain below the vomeronasal organ.

Structure	Level	Pattern	Image	Note
TS20: vomeronasal organ mesenchyme	Present	Regionally restricted	S2D	Expressed in the mesenchymal domain below the vomeronasal organ.

Structure	Level	Pattern	Image	Note
TS22: pituitary gland	Absent