Science Source December 1, 2009 DVD

Close-up of a syringoma. A syringoma (appearing as several raised papules here) is a tumor of sweat glands in the skin. Syringomas are generally benig...

Eccrine poroma, a benign, sweat gland tumor occurring most commonly on the palms and soles of the feet.

Light micrograph of an eccrine poroma, a benign, sweat gland tumore occuring most commonly on the palms and soles.

A light micrograph of clear cell acanthoma (also known as Pale cell acanthoma). This is a benign lesion on the outermost part of the skin.

Light micrograph of a clear cell (nodular) hidradenoma. This is a rare and benign cutaneous neoplasm of the eccrine sweat glands.

Light micrograph of a clear cell (nodular) hidradenoma. This is a rare and benign cutaneous neoplasm of the eccrine sweat glands.

Folliculitis is the inflammation of hair follicles, anywhere on the body. It can be caused by many environmental factors, and often the damaged follic...

Toxic epidermal necrolysis (TEN), also known as Lyell's syndrome, is a life-threatening dermatological condition that is frequently induced by a react...

Toxic Epidermal Necrolysis, (TEN), is a severe dermatological condition in which the top layer of skin (epidermis) detaches itself from the lower laye...

Light microscope of a keloid scar. A keloid is an enlarged scar that grows beyond its original boundaries. It can itch, cause pain or be tender to the...

The Ehlers-Danlos syndrome (EDS), is an inherited condition resulting from a defect in the enzyme lysyl oxidase, that causes the linkage of tropocolla...

Lymphocytic vasculitis is the inflammation of blood vessels caused by an infiltration of lymphocytes (white blood cells) in the blood vessel walls.

Light micrograph of a section of skin from a patient with a dysplastic nevus, an atypical melanocytic nevus; a mole whose appearance is different from...

A patient with severe Bell's palsy, a paralysis of the facial nerve resulting in weakness of the facial muscles down one side of the face. This condit...

Mole on a patient's face.

Light micrograph of collecting ducts and thin limbs in the kidney.

Neurons in smear of gray matter of spinal cord. Toluidine blue.

Light micrograph of the pineal gland.

Light micrograph showing gastric glands.

Micrograph of a human scalp; Masson's trichrome stain, 5x magnification.

Light micrograph of the wall of a ventricle in the heart.

Motor end plates in skeletal muscle.

Myenteric (Auerbach's) plexus; autonomic ganglion cells.

Cerebral cortex; relationship between capillaries and neurons.

TS peripheral nerve.

Transverse section of a human appendix.

Light micrograph of the pineal gland, magnification x20, showing "brain sand," or corpora arenacea, a gritty material in human follicles.

Human neurons in smear of grey matter of spinal cord. Toluidine blue.

Tracheotomy patient with a nasogastric tube.

Keloid scars following burn on the chest. A keloid is an enlarged scar that grows beyond its original boundaries. It can itch, cause pain or be tender...

Asbestos bodies in lung section; x250 magnification.

Heart from a girl who died from cytotoxic cancer therapy (chemotherapy). Chemotherapy is used to cure cancer, using drugs that target and kill cells t...

Brain damage caused by a traffic accident; contusion on one side.

Light micrograph (LM) of "Negri" bodies in the hippocampus of an infected dog. Negri bodies are also known as Negri corpuscles or Negri cytoplasmatic...

Light micrograph of an entire human kidney in longitudinal section.

Lower motor neurons; shows synapses.

Splint for a broken index finger.

Nerve end plate.

Light micrograph of the junction of muscle and tendon. Tendons are tough, flexible straps that connect muscles to bones or cartilage. They are the den...

Ball and socket joint.

Light micrograph of transverse section of decalcified bone.

Neuron from spinal cord.

Light micrograph of yellow elastic cartilage from the human pinna.

Light micrograph of the ossification of human cartilage from the phalanx.

Light micrograph of a transverse section from hyaline cartilage of the human trachea. Hyaline cartilage occurs in the nasal septum, trachea, the artic...

Micrograph showing a bird's skin and the early formation of feathers.

Cerebellum, purkinje cells (mammal).

Light micrograph of bone marrow.

Light micrograph of cardiac muscle.

Histology, nervous system, spiral ganglion.