Alfalfa Root
American Dog Tick
Ants
Antelope Hair
Basswood Stem
Bed Bugs
Bird Lungs
Bird Skin
Black Grape Rot
Cactus
Corn Grain
Corn Smut
Dutchman's Pipe
Elderberry
Fava Bean Root Tip
Female Pine Cones
Fern Spores
Fish Gill Filaments
Fleas
Guinea Pig Hair
Head Lice
Honey Bee Leg
Honey Bee Stinger
House Fly Face
Human Flea
Hyaline Cartilage
Human Roundworm
Human Scalp
Human Spinal Cord
Pony Belly Hair
Kapok Fiber
Leeches
Lily Flower Bud
Lone Star Tick
Compact Bones
Spongy Bone
Milkweed Fibers
Mites
Moss Tissue
Mouse Intestines
Mouse Kidney
Mycorrhizal Fungi
Obelia Hydroid
Oleander Leaf
Brown Rot of Peach
Peach Leaf Curl
Pine Root
Pine Tree Pollen
Pine Wood
Privet Leaf
Raw Meat
Rhizopus Rot
Snail Radula
Sweet Flag Grass
Tilia
Trichina Worm
Wheat
Wheat Kernel
Wheat Rust Pustule
