Trachea of dog, light micrograph
Lung tissue showing bronchi, light micrograph
Mouse embryo, light micrograph
Cerebellum, light micrograph
Frog liver, light micrograph
Mammal stomach wall, light micrograph
House martin heart, light micrograph
Quail brain, light micrograph
Mouse tail internal structure, light micrograph
Human lung, light micrograph
Blowfly maggot, light micrograph
Dragonfly nymph gills, light micrograph
European medicinal leech, light micrograph
Starfish arm internal structure, light micrograph
Edible snail foot, light micrograph
Testis showing spermatogenesis, light micrograph
Common frog ovary, light micrograph
Ciliated epithelium of the fallopian tube, light micrograph
Ovary of cat, light micrograph
Sparrow chick skin, light micrograph
Bronchopneumonia, light micrograph
Trachea, light micrograph
Fish gill, light micrograph
Dog rectum tissue section, light micrograph
Domestic duck gizzard, light micrograph
Flea respiratory system, SEM
Moth larva's interior, SEM
Mackerel gills, light micrograph
Chicken stomach, light micrograph
Cat small intestine, light micrograph
Cat colon, light micrograph
Grasshopper, light micrograph
Leech, light micrograph
Blue mussel, light micrograph
Urinary bladder transitional epithelium, light micrograph
Liver infected with coccidiosis, light micrograph
Human rectum and anal canal section, light micrograph
Human duodenum, light micrograph
Earthworm heart region, light micrograph
Earthworm pharynx, light micrograph
Square-tailed worm, light micrograph
Earthworm, light micrograph
Mayfly larva gills, light micrograph
Feather louse claw, SEM
Trachea, fluorescent micrograph
Trachea and thyroid, light micrograph
Common earthworm clitellum, light micrograph
Oesophagus, light micrograph
Insect respiratory system, micrograph
Moss perigonium, light micrograph
Moss perichaetium, light micrograph
Common earthworm, light micrograph
Puffball mushroom, light micrograph
Mushroom (Hypoxylon sp), light micrograph
Human adrenal gland, light micrograph
Herring ovary, light micrograph
Spiny goby scale, light micrograph
Mackerel ovary, light micrograph
Shrimp, light micrograph
Dogfish skin, light micrograph
Chicken embryo, light micrograph
Frog skin, light micrograph
Cat flea larva, light micrograph
Woodmouse foetus, light micrograph
Foetal rat head, light micrograph
Shelled amoeba, light micrograph
Stentor sp. protozoan, light micrograph
Brine shrimp, light micrograph
Fly mouthparts, light micrograph
Synura golden algae
Caddisfly larva, light micrograph
Tapeworm cysticercus, light micrograph
Lugworm, light micrograph
Malaria parasite in red blood cell
Common earthworm longitudinal structure, light micrograph
Water flea, light micrograph
Human flea male, light micrograph
Human flea female, light micrograph
Common fruit fly male exoskeleton light micrograph
Honeybee worker pollen-carrying leg, light micrograph
Housefly wing, light micrograph
Housefly leg, light micrograph
Pond snail egg masses, light micrograph
Mosquito larva, light micrograph
Ant with Celandine seed, LM
Cockroach wing, light micrograph
Paramecium, light micrograph
Artery and vein, light micrograph
Lung epithelial layer
Lung, light micrograph
Mayfly larvae, light micrograph
Lung cancer, light micrograph
Ovary, LM
Chronic superficial gastritis, light micrograph
Vagina, light micrograph
Gapeworm head, SEM
Dog small intestine, light micrograph
Trachea, LM
Giant roundworm male, light micrograph
Giant roundworm female, light micrograph
Giant roundworm female and males, light micrograph
Lamprey gill area, light micrograph
Earthworm, LM
Kelp (Laminaria hyperborea) fronds
Kelp (Laminaria hyperborea) frond
Liverwort sporangium
Mistletoe (Phoradendron sp.) stem
Cassytha sp. stem, light micrograph
Leek skin (Allium porrum), micrograph
Moss leaf, light micrograph
Solomon's seal stem, light micrograph
Lily of the valley stem, light micrograph
Liverleaf (Hepatica sp.) stem, light micrograph
Dog testis seminiferous tubules, light micrograph
Pig anatomy, artwork
Fetal thorax, light micrograph
Fetal lung, light micrograph
Veiled chameleon embryo skeleton
Respiratory bronchiole, alveoli and venule, SEM
Damselfly larva caudal gill, light micrograph
Fish esophagus, light micrograph
Human colon, light micrograph
Human columnar epithelium, light micrograph
Coprinus mushroom section, light micrograph
Lung tissue, SEM
Human jejunum, light micrograph
Human spinal cord, light micrograph
Gorilla louse, light micrograph
Rabbit ankle, light micrograph
Newt skin, light micrograph
Human joint, light micrograph
Common frog testis, light micrograph
Planarian flatworm, light micrograph
Dragonfly larva, light micrograph
Female Lyme disease tick, light micrograph
Dog oesophagus, light micrograph
SEM of brown dog tick Rhipicephalus
Adenosquamous carcinoma of the lung, light micrograph
Scanning electron micrograph of lung epithelium
Human lung with miliary tuberculosis, light micrograph
Flea tapeworm, SEM
Dog tapeworm, SEM
Pork tapeworm, SEM
Tapeworm, SEM
Beef tapeworm, SEM
Water bear, SEM
Wolf spider jaws, SEM
Millipede, SEM
Woodlouse, SEM
Clothes moth, SEM
Soil mite, SEM
Thrip, SEM
Thrip head, SEM
Annelid worm, SEM
Scenedesmus algae, SEM
Tarantula spider, SEM
Bdelloid rotifer, SEM