Artery, Vein & Nerve (400x)
Arteries are muscular blood vessels that carry blood away from the heart. A vein is a blood vessel that carries blood toward the heart. A nerve is an enclosed, cable-like bundle of axons (the long, slender projection of a neuron).
Smooth Muscle (400x) Smooth muscle is a type of non-striated muscle, found within the walls of hollow organs and in areas such as the bladder, uterus, abdominal cavity, GI tract, respiratory tract and iris of the eye.Learn more about smooth muscle here.
Skin and Hair Follicles (40x) A hair follicle is part of the skin that grows hair by packing old cells together. The average growth of hair follicles on teh scalp is 0.04cm per day, or 0.28cm per week. View an image of the hair follicle here.
Flagellae (1000x) Flagellae are whip-like structures on a cell body that are used for locomotion, for feeding or other purposes.
Mouth Smear (400x)
Human cheek cells divide about every 24 hours and are constantly shed from the body. Cheek cells are often used to extract DNA for testing.
Escherichia Coli (400x)
Escherichia coli (E. Coli) is one of many species of bacteria that lives in the lower intestines of mammals. In the large intestine of mammals, E. coli assists in waste processing, vitamin K production and food absorption. E. coli causes illness in humans. Learn more about E. coli here.
Chromosomes (400x)
A chromosome is a single long molecule of DNA, and is how DNA is organized in cells. Chromosomes contain one long piece of DNA which contains many genes, regulatory elements and other genetic sequences. Learn more about chromosomes here.
Streptococcus (1000x) Streptococcus is a genus of spherical gram-positive bacteria and the lactic acid bacteria group. 5-15% of people harbor the bacterium without signs of disease. However, when introduced to vulnerable tissues, streprococcus can cause strep throat, scarlet fever, and other problems. Learn more here.
Bacteria (1000x, gram stain) Bacteria are found in every habitat on earth. There are about 10 times as many bacterial cells as human cells in the human body, large numbers are found on the skin and in the digestive tract. Learn more about bacteria here.
