Striated Muscle This cross section of striated muscle shows muscle fibers and bundles. Striated muscle is a form of fibers that are combined into parallel fibers. It can often refer to skeletal muscle or cardiac muscle.
Human Spinal Cord This section of spinal cord shows gray and white matter. The spinal cord is a long, tubular bundle of nervous tissue and support cells that extends from the brain. The spinal cord functions primarily in the transmission of neural signals between the brain and the rest of the body. Learn about spinal cord injury prevention here.
Smooth Muscle These teased, isolate muscle fibers have been carefully stained to show pindle-shaped cells with single elongated nuclei. 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.
Optic Nerve
These cross section and longitudinal section nerve bundles show nerve fibers and connective tissue coverings. The optic nerve transmits visual information from teh retina to the brain.
Motor Nerve Ending
These motor nerve endings were teased and carefully selected to show both the branching nerve fibers and the end plates. Motor end plates are also known as neuromuscular junctions. View a labeled image here.
Larynx
A longitudinal section showing cartilage and other topo-graphically related structures. The larynx is also commonly called the voice box. It is an organ in the neck involved in protecting the trachea and sound production.
Human Lung Cross section of lung showing thick cornified layer. The lung is an essential respiration organ in air-breathing animals. Learn more here.
Cardiac Muscle
Section stained to demonstrate intercalated discs and approximate central location of nuclei in fibers. Cardiac muscle is a type of involuntary striated muscle found in the walls of the heart. Learn more here.
Aorta
This is a large artery section. The aorta is the largest artery in the body. It originates at the heart and extends down to the abdomen, where it branches off into two smaller arteries. The aorta distributes oxygenated blood to all parts of the human body. See image here.
