Connective tissue, SEM
Trachea muscle, SEM
Trachea lining, SEM
Cartilage, SEM
Dense connective tissue. SEM
Heart tissue, SEM
Respiratory ciliated epithelium
Pseudostratified epithelium
Cross-section of the trachea, SEM
Lung tissue, SEM
Flea respiratory system, SEM
Bronchial epithelium, SEM
Lung lining, SEM
Nasal epithelium, SEM
Trabeculae carneae in the heart, SEM
Fibroblasts, SEM
Mesenchymal stem cell, SEM
Mesenchymal stem cells, SEM
Synovial collagen fibres, SEM
Tendon fibres, SEM
Red blood cells, SEM
Primate hand tendon, SEM
Neural connective tissue, SEM
Areolar connective tissue, light micrograph
Ciliated and nonciliated Clara cells
Areolar connective tissue LM X250
Alveolar macrophages, SEM
Cartilage cell, TEM
Trachea, light micrograph
Fibroblast in connective tissue, TEM
Cave fish gill, SEM
Cat windpipe, light micrograph
Respiratory epithelium, light micrograph
Ciliated pseudostratified columnar epithelium, LM
Trachea and salivary gland, SEM
Fat tissue, SEM
False-colour SEM of tracheal epithelium
Dense connective tissue, SEM
Human lung tissue, light micrograph
Alveolus and macrophage. SEM
Trachea lining, TEM
TB bacteria infecting macrophages, SEM
Nasal sinuses, LM
Moth larva's interior, SEM
Elastin fibers, light micrograph
TEM of lung tissue
Adipose cells
Tooth dentine, SEM
Human lung bronchiole and alveoli, SEM
Alveolar cell, TEM
Liver tissue, SEM
Pancreas tissue, SEM
Brain nerve cells, SEM
Nasal lining
Tracheal epithelium surface, SEM
Loose connective tissue, light micrograph
Fibroblast, TEM
Photomicrograph of bronchiolar epithelium tissue
Microtubules, SEM
Radiolarian, SEM
Flower pistil, SEM
Alveolar macrophage in a lung alveolus
Human areolar tissue, light micrograph
Arteriole blood vessel, light micrograph
Microcirculation and elastic fibers
Venule, light micrograph
Glial cells, SEM
Fat cells, SEM
Human embryonic kidney cells, SEM
Fish red blood cell, SEM
Lung, light micrograph
Dragonfly nymph gills, light micrograph
Mayfly larvae, light micrograph
Scanning electron micrograph of lung epithelium
Human lung alveoli and vein, SEM
Tendons attached to bone surface, SEM
Transmission electron micrograph lung epithelium
Intestinal blood vessels, SEM
Trachea, LM
Blood clot, SEM
Potato Leaf Stomata (SEM)
Lung blood vessels, SEM
Stomata of Lavendula Dentata, SEM
Liver tissue, fluorescence micrograph
Photosynthetic leaf tissue, SEM
Fat tissue, stereoscopic SEM
Lactating breast tissue, SEM
Nasal lining, SEM
Collagen fibrils, TEM
Mitochondria, SEM
Neurone, SEM
Cytoskeleton, SEM
Tobacco leaf, SEM
Hover fly gut, SEM
Carpet beetle hair, SEM
Lung bronchus cross-section, SEM
Section of a lung, SEM