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Lung blood vessels, SEM

Small intestine blood vessels, SEM

Pituitary gland blood vessels, SEM

Lung blood vessels, SEM

Blood vessels of a lymph node, SEM

Blood vessels of a lymph node, SEM

Blood vessels of a lymph node, SEM

Blood vessels of a lymph node, SEM

Blood vessels of a lymph node, SEM

Blood vessels of a lymph node, SEM

Blood vessels of a lymph node, SEM

Blood vessels of a lymph node, SEM

Blood vessels of a lymph node, SEM

Blood vessels of a lymph node, SEM

Blood vessels of a lymph node, SEM

Kidney blood vessels, SEM

Kidney blood vessels, SEM

Lung blood vessels, SEM

Bladder blood vessels, SEM

Penis blood vessels, SEM

Small intestine blood vessels, SEM

Small intestine blood vessels, SEM

Testis blood vessels, SEM

Hepatic blood vessels, SEM

Trachea blood vessels, SEM

Blood vessels of a lymph node, SEM

Bladder blood vessels, SEM

Rectal blood vessels, SEM

Rectal blood vessels, SEM

Penis erectile tissue, SEM

Thyroid gland blood vessels, SEM

Lung blood vessels, SEM

Crenated red blood cells, SEM

Arteriole, SEM

Kidney glomeruli, SEM

Kidney glomeruli, SEM

Lung alveoli and an arteriole, SEM

Tongue muscle blood vessels, SEM

Kidney glomeruli, SEM

Lung tissue, SEM

Red and white blood cells, arteriole

Kidney glomerulus, SEM

Tongue papillae capillaries, SEM

Tongue papillae capillaries, SEM

Lung tissue, SEM

Lung lining, SEM

Heart arteriole, fluorescence micrograph

Arteriole blood vessel, light micrograph

Penis blood vessels, SEM

Blood vessels, SEM

Intestinal blood vessels, SEM

Kidney blood vessels, SEM

Small blood vessels, light micrograph

Small blood vessels, light micrograph

Blood vessels of human small intestine

Resin cast of blood supply to kidneys

Resin cast of blood supply to kidneys

Blood vessels in the lung, SEM

Lymph vessels, SEM

Dilated arteriole, light micrograph

Blood-filled artery, SEM

Blood-filled artery, SEM

Blood-filled artery, SEM

Heart tissue, SEM

Heart tissue, SEM

A distributing artery

Blood-filled foetal aorta, SEM

Coloured SEM of pars intermedia of pituitary gland

Early clot formation, TEM

Early clot formation, TEM

Early clot formation, TEM

Early clot formation, TEM

Early clot formation, TEM

Blood clot, SEM

Blood vessels, light micrograph

Blood vessels, light micrograph

Blood vessels, light micrograph

Resin cast of a human lung section

Lung tissue, SEM

Lung tissue, SEM

Red blood cells

Blood vessels, SEM

Lung bronchus cross-section, SEM

Lung bronchus cross-section, SEM

Blood vessels in a frog ovary, SEM

Blood vessels in a frog ovary, SEM

Blood vessels supplying a testis, SEM

Blood vessel in the lung, SEM

Blood vessel in the lung, SEM

Blood vessels, SEM

Lung parenchyma, light micrograph

Blood vessels, light micrograph

Red blood cells, SEM

Lung lining, SEM

Lung tissue, SEM

Bamboo stem, SEM

Liver, SEM

Liver, SEM

Liver tissue, SEM

Ruptured venule, SEM

Kidney cortex

Intestinal arteriole, TEM

Intestinal arteriole, TEM

Muscle arteriole, TEM

Alveolar macrophage in a lung alveolus

Heart muscle, fluorescence micrograph

Kidney arteriole, fluorescence micrograph

Arteriole, light micrograph

Arteriole, light micrograph

Arteriole, light micrograph

Arteriole and venule, light micrograph

Arteriole wall, light micrograph

Resin cast of arteries to brain

Resin cast of human heart circulation

Resin cast of kidney arteries

Resin cast of human kidney circulation

Rete mirabile blood vessels, light micrograph

Cave fish gill, SEM

Cave fish gill, SEM

Elastic artery, light micrograph

Blood-filled foetal aorta, SEM

Blood-filled foetal aorta, SEM

Red blood cells, SEM

Red blood cells, SEM

Red blood cells, SEM

Red blood cells, SEM

Red blood cells, SEM

Red blood cells, SEM

Red blood cells, SEM

Red blood cells, SEM

Blood cells, SEM

Red blood cells, SEM

Kidney blood vessels, light micrograph

Intestinal blood vessels, SEM

Intestinal blood vessels, SEM

Red blood cells or erythrocytes in a vein

Kidney medulla blood vessels, light micrograph

Kidney cortex blood vessels, light micrograph

Blood vessels, SEM

Heart valve and strings, SEM

Heart valve and strings, SEM

Heart valve and strings, SEM

Wall of the vagina showing lumen

Blood vessels, LM

Blood vessels, LM

Rat spleen, fluorescence micrograph

Skin blood vessel, SEM

Skin blood vessel, SEM

Pancreas tissue, SEM

Trachea, SEM

Umbilical cord, SEM

Lung artery, fluorescence micrograph

Artery vascular cross section, light micrograph

Aorta elastic lamellae, light micrograph

Aorta elastic lamellae, light micrograph

Aorta tunica media and adventitia, light micrograph

Carotid body, light micrograph

Lung tissue, SEM

Lung tissue, SEM

Lung lining, SEM

Lung lining, SEM

Skin, SEM

Heart valves and strings, SEM

Elastic artery cross-section, SEM

Elastic artery cross-section, SEM

Blood clot, SEM

Small intestine blood vessels, SEM

High endothelial venule, TEM

High endothelial venule, TEM

Resin cast stillborn s head, neck, brain

Human liver and gallbladder circulation

Human liver and gallbladder circulation

Resin cast of the arteries and veins

Human leg and foot circulation

Red blood cells, SEM

Pituitary blood vessels, LM

Pituitary blood vessels, LM

Pituitary blood vessels, LM

Pituitary blood vessels, LM

Right atrial appendage of the heart, SEM

Fish heart valve, SEM

Fish heart valve surface, SEM

Japanese pilchard heart valve, SEM

Heart muscle, SEM

Heart muscle, SEM

Heart muscle cell, SEM

Skin, fluorescent light micrograph

Skin, fluorescent light micrograph

Arteriole, light micrograph

Blood clot, SEM

Blood clot, SEM

Blood clot, SEM

Resin cast of pulmonary arteries and bronchi

Mature blood cells in the venous sinus

Artery lining, SEM

Artery lining, SEM

Bladder blood supply, light micrograph

Red blood cells, SEM

Red blood cells, SEM

Red blood cells, SEM