Probe:	Stk33 cDNA2
Probe preparation:	Antisense labelled with digoxigenin RNA
Visualized with:	Alkaline phosphatase

Structure	Cell Type	Level	Pattern	Image	Note
TS28: spermatid		Strong	Regionally restricted	2A , 2B	Strong expression is detected in spermatocytes, spermatides, and possibly in spermatogonia.
TS28: spermatocyte		Strong	Regionally restricted	2A , 2B	Strong expression is detected in spermatocytes, spermatides, and possibly in spermatogonia.
TS28: spermatogonium		Strong	Regionally restricted	2A , 2B	Strong expression is detected in spermatocytes, spermatides, and possibly in spermatogonia.
TS28: spermatozoon		Absent		2A , 2B
TS28: Sertoli cell	Sertoli cell	Absent		2A , 2B	There is no expression around Sertoli cell nuclei.
TS28: interstitium of the testis		Absent		2B , 2A	There is no expression in Leydig cells nor any kind of cell in the interstitial space, including vascular cells and myoid cells in the lamina propria.
TS28: Leydig cell	Leydig cell	Absent		2B , 2A
TS28: peritubular myoid cell	peritubular myoid cell	Absent		2B , 2A

Structure	Level	Pattern	Image	Note
TS28: bronchiole epithelium	Strong		2D
TS28: alveolar system	Strong	Regionally restricted	2D	There are strong signals in cells that are probably alveolar macrophages.
TS28: lung connective tissue	Absent		2D	There is no expression in cartilage, smooth muscle, or connective tissue.
TS28: alveolar duct	Absent		2D
TS28: bronchiole	Absent		2D
TS28: bronchus	Absent		2D
TS28: lung alveolus	Absent		2D
TS28: artery	Absent		2D	Within the lung, there is no expression in the artery.

Structure	Level	Pattern	Image	Note
TS28: bronchiole epithelium	Strong		2E

Structure	Level	Pattern	Image	Note
TS28: alveolar system	Strong	Regionally restricted	2F	There are strong signals in cells that are probably alveolar macrophages.

Structure	Level	Pattern	Image	Note
TS28: retina outer plexiform layer	Present		2G
TS28: optic choroid	Absent		2G
TS28: retina ganglion cell layer	Absent		2G
TS28: retina inner nuclear layer	Absent		2G
TS28: retina inner plexiform layer	Absent		2G
TS28: retina outer nuclear layer	Absent		2G
TS28: sclera	Absent		2G

Structure	Level	Pattern	Image	Note
TS28: testis	Present		S2A