Antibody:	anti-type XV collagen
Detection system:	Secondary antibody coupled to Cy3

Structure	Level	Pattern	Image	Note
TS20: blood vessel	Strong	Regionally restricted	2a	Expression is in some capillaries of the lower jaw.
TS20: mandibular process	Strong	Regionally restricted	2a	Expression is in some capillaries of the lower jaw.
TS20: Meckel's cartilage	Weak		2a

Structure	Level	Pattern	Image	Note
TS22: blood vessel	Strong	Regionally restricted	2b	Expression is in the capillaries of the lower jaw.
TS22: lower jaw	Strong	Regionally restricted	2b	Expression is in the capillaries of the lower jaw.
TS22: Meckel's cartilage	Present		2b

Structure	Level	Pattern	Image	Note
TS22: perichondrium	Present	Regionally restricted	2c	Expression is in the perichondrium of the developing digits.

Structure	Level	Pattern	Image	Note
TS21: forebrain pia mater	Present		3a
TS21: brain blood vessel	Present	Regionally restricted	3a	Expression is in capillaries of the forebrain region.
TS21: forebrain	Present	Regionally restricted	3a	Expression is in capillaries of the forebrain region.

Structure	Level	Pattern	Image	Note
TS22: 4th ventricle choroid plexus	Present	Regionally restricted	3c	Expression is in the blood vessels of the choroid plexus and is absent in the capillaries of the surrounding hindbrain region.
TS22: brain blood vessel	Present	Regionally restricted	3c	Expression is in the blood vessels of the choroid plexus and is absent in the capillaries of the surrounding hindbrain region.

Structure	Level	Pattern	Image	Note
TS23: spinal cord	Absent		3e	Absent in blood vessels in the spinal cord.

Structure	Level	Pattern	Image	Note
TS28: brain blood vessel	Present	Regionally restricted	3g	Expression is in a subset of blood vessels and to the connective tissue and blood vessels of the pia mater of the cerebral sulci.
TS28: brain pia mater	Present	Regionally restricted	3g	Expression is in a subset of blood vessels and to the connective tissue and blood vessels of the pia mater of the cerebral sulci.

Structure	Level	Pattern	Image	Note
TS26: brain blood vessel	Present	Regionally restricted	3i	Expression is in the blood vessels of the choroid plexus.
TS26: choroid plexus	Present	Regionally restricted	3i	Expression is in the blood vessels of the choroid plexus.
TS26: choroid plexus epithelium	Absent		3i

Structure	Level	Pattern	Image	Note
TS21: blood vessel	Present	Regionally restricted	4a	Expression is in blood vessels in the limb.
TS21: limb	Present	Regionally restricted	4a	Expression is in blood vessels in the limb.
TS21: basement membrane	Weak	Regionally restricted	4a	Expression is in the basement membrane of newly formed small, irregular primary myotubes.
TS21: limb muscle	Weak	Regionally restricted	4a	Expression is in the basement membrane of newly formed small, irregular primary myotubes.

Structure	Level	Pattern	Image	Note
TS23: basement membrane	Present	Regionally restricted	4b	Expression is in the basement membrane of each myotube.
TS23: limb muscle	Present	Regionally restricted	4b	Expression is in the basement membrane of each myotube.

Structure	Level	Pattern	Image	Note
TS28: basement membrane	Present	Regionally restricted	4c	Expression is in the basement membrane of all muscle fibers.
TS28: limb muscle	Present	Regionally restricted	4c	Expression is in the basement membrane of all muscle fibers.
TS28: capillary	Present	Regionally restricted	4c	Expression is in capillaries in the limb.
TS28: limb	Present	Regionally restricted	4c	Expression is in capillaries in the limb.

Structure	Level	Pattern	Image	Note
TS21: heart blood vessel	Present	Single cells	5a	Expression was restricted to a few capillaries.
TS21: visceral pericardium	Present	Single cells	5a	Expression was restricted to a few capillaries.

Structure	Level	Pattern	Image	Note
TS22: heart blood vessel	Present	Regionally restricted	5c	Expression is in the capillaries of the ventricular wall.
TS22: heart ventricle	Present	Regionally restricted	5c	Expression is in the capillaries of the ventricular wall.
TS22: basement membrane	Present	Regionally restricted	5c	Expression is in the basement membrane of the cardiac muscle.
TS22: cardiac muscle tissue	Present	Regionally restricted	5c	Expression is in the basement membrane of the cardiac muscle.

Structure	Level	Pattern	Image	Note
TS24: heart ventricle wall	Present	Regionally restricted	5d	Expression is in the outer half.

Structure	Cell Type	Level	Pattern	Image	Note
TS28: cardiac muscle tissue	cardiac muscle cell	Strong		5e	Expression is around the cells.
TS28: capillary		Strong	Regionally restricted	5e	Expression is in the capillaries of the heart.

Structure	Level	Pattern	Image	Note
TS28: heart	Absent		5f

Structure	Level	Pattern	Image	Note
TS21: blood vessel	Strong	Regionally restricted	6a	Expression is in the capillaries of the developing dorsal root ganglion.
TS21: dorsal root ganglion	Present	Regionally restricted	6a	Expression is along the nerve fibers and in the connective tissue capsule.

Structure	Level	Pattern	Image	Note
TS26: dorsal root ganglion	Present	Regionally restricted	6b	Expression is along the nerve fibers and in the connective tissue capsule.
TS26: blood vessel	Present	Regionally restricted	6b	Expression is in the capillaries of the developing dorsal root ganglion.

Structure	Level	Pattern	Image	Note
TS28: basement membrane	Present	Regionally restricted	6c	Expression is in both the endoneurial and perineurial basement membrane zones.
TS28: peripheral nerve	Present	Regionally restricted	6c	Expression is in both the endoneurial and perineurial basement membrane zones.

Structure	Level	Pattern	Image	Note
TS28: basement membrane	Present	Regionally restricted	6d	Expression is in the skeletal muscle and Schwann cell basement membrane zones, and is absent in the synaptic basement membrane.
TS28: skeletal muscle	Present	Regionally restricted	6d	Expression is in the skeletal muscle and Schwann cell basement membrane zones, and is absent in the synaptic basement membrane.

Structure	Level	Pattern	Image	Note
TS28: basement membrane	Present	Regionally restricted	6e	Expression is in the skeletal muscle and Schwann cell basement membrane zones, and is absent in the synaptic basement membrane.
TS28: skeletal muscle	Present	Regionally restricted	6e	Expression is in the skeletal muscle and Schwann cell basement membrane zones, and is absent in the synaptic basement membrane.

Structure	Level	Pattern	Image	Note
TS25: perichondrium	Present		7a
TS25: cartilage	Present	Regionally restricted	7a	Expression is in the peripheral cartilaginous layers of developing bones.
TS25: bone	Absent		7a

Structure	Level	Pattern	Image	Note
TS26: perichondrium	Present		7c
TS26: cartilage	Present	Regionally restricted	7c	Expression is in the peripheral cartilaginous layers of developing bones.
TS26: bone	Absent		7c

Structure	Level	Pattern	Image	Note
TS27: perichondrium	Present		7e
TS27: cartilage	Present	Regionally restricted	7e	Expression is in the peripheral cartilaginous layers of developing bones.
TS27: bone	Absent		7e

Structure	Level	Pattern	Image	Note
TS21: lung vascular element	Present	Regionally restricted	8a	Expression is in the capillaries and larger blood vessels.
TS21: lung mesenchyme	Present	Regionally restricted	8a	Expression is in the connective tissue septa.
TS21: lobar bronchus mesenchyme	Absent		8a	Expression is absent in the basement membrane of a large bronchus.

Structure	Level	Pattern	Image	Note
TS22: lung vascular element	Present		8b
TS22: basement membrane	Present	Regionally restricted	8b	Expression is in the basement membrane of small airways and is absent in the larger airways.
TS22: lung	Present	Regionally restricted	8b	Expression is in the basement membrane of small airways and is absent in the larger airways.

Structure	Level	Pattern	Image	Note
TS25: basement membrane	Present	Regionally restricted	8c	Expression is in the basement membrane of vasculature and respiratory tissue.
TS25: lung	Present	Regionally restricted	8c	Expression is in the basement membrane of vasculature and respiratory tissue.
TS25: lung vascular element	Present	Regionally restricted	8c	Expression is in the basement membrane of vasculature and respiratory tissue.

Structure	Level	Pattern	Image	Note
TS27: lung vascular element	Present	Regionally restricted	8d	Expression is in a few capillaries.

Structure	Level	Pattern	Image	Note
TS27: basement membrane	Present	Regionally restricted	9a	Expression is in the blood vessels of the renal interstitium.
TS27: nephrogenic interstitium	Present	Regionally restricted	9a	Expression is in the blood vessels of the renal interstitium.
TS27: glomerular capillary system of maturing glomerular tuft	Present	Regionally restricted	9a	Expression is in invading vessels destined to generate the capillary loops of the glomerulus.
TS27: Bowman's capsule of maturing renal corpuscle	Weak		9a

Structure	Level	Pattern	Image	Note
TS27: basement membrane	Present		9c
TS27: glomerular capillary system of maturing glomerular tuft	Present		9c
TS27: Bowman's capsule of maturing renal corpuscle	Weak		9c

Structure	Level	Pattern	Image	Note
TS28: renal tubule basement membrane	Present		9d

Structure	Level	Pattern	Image	Note
TS17: brain blood vessel	Present	Regionally restricted		Expression is in a few blood vessels in the fore-, midbrain, and hindbrain regions.
TS17: future spinal cord vascular element	Present	Regionally restricted		Expression is in a few blood vessels in the spinal cord region.

Structure	Level	Pattern	Image	Note
TS19: brain blood vessel	Present	Regionally restricted		Expression is in a few blood vessels in the fore-, midbrain, and hindbrain regions.
TS19: blood vessel	Present	Regionally restricted		Expression is in a few blood vessels in the spinal cord region.
TS19: future spinal cord	Present	Regionally restricted		Expression is in a few blood vessels in the spinal cord region.

Structure	Level	Pattern	Image	Note
TS25: heart ventricle	Present	Regionally restricted		Expression was almost in the whole thickness of the ventricle muscle.

Structure	Level	Pattern	Image	Note
TS26: heart ventricle	Present	Regionally restricted		Expression was almost in the whole thickness of the ventricle muscle.

Structure	Level	Pattern	Image	Note
TS28: lung vascular element	Weak	Regionally restricted