Science Source December 1, 2009 DVD

The basal epithelial cells are packed with melanin (brown pigment). There are only traces of melanin in caucasian skin.

Micrograph of hairy skin with shafts, follicles and glands; hair follicles (red), sebaceous glands (blue), and sweat glands (pink).

Micrograph of hairy skin with shafts, follicles and glands visible.

Micrograph of pubic skin, showing sweat glands and oblique hair follicles, which are common.

Transectional Pons, structure located on the brain stem.

LS Cerebellum; showing three layers which consist of the "molecular layer" (outer), "granule cell layer" (inner), and an intervening layer of huge neu...

LS Cerebellum; showing three layers which consist of the "molecular layer" (outer), "granule cell layer" (inner), and an intervening layer of huge neu...

LS Cerebellum; showing three layers which consist of the "molecular layer" (outer), "granule cell layer" (inner), and an intervening later of huge neu...

LS Cerebellum; showing layer details. The layers consist of the "molecular layer" (outer), "granule cell layer" (inner), and an intervening layer of h...

LS Cerebellum; showing layer details. The layers consist of the "molecular layer" (outer), "granule cell layer" (inner), and an intervening layer of h...

Purkinje cells in the cerebellum. The layers of the cerebellum consist of the "molecular layer" (outer), "granule cell layer" (inner), and an interven...

Purkinje cells in the cerebellum. Axons appear black. The layers of the cerebellum consist of the "molecular layer" (outer), "granule cell layer" (inn...

Thalamus

Cerebral cortex showing typical layered appearance.

Gray matter; The cerebral hemispheres consist of a gray matter overlying a central medulla of white matter which conveys fibers between difference par...

The cerebral hemispheres consist of a gray matter overlying a central medulla of white matter; golgi stain.

Neurons and Axons of the cerebral cortex. The cerebral hemispheres consist of a gray matter overlying a central medulla of white matter. H & E Stain.

Neurons and axons of the cerebral cortex. The cerebral hemispheres consist of a gray matter overlying a central medulla of white matter. H & E Stain.

Neurons and axons of the cerebral cortex. The cerebral hemispheres consist of a gray matter overlying a central medulla of white matter. H & E Stain.

Spinal Ganglion neuron cell bodies. Ganglion on the posterior nerve root of the spinal cord as it passes through the intervertebral foramina.

Spinal Ganclion neuron cell bodies, each surronded by a layer of flattened satellite cells. Ganglion on the posterior nerve root of the spinal cord as...

Ependymal cells; Simple cuboidal epithelium lining of the brain ventricles and spinal cord.

Spinal cord neurons.

Neuron; Nissl stain method.

Micrograph showing lower motor neurons; gold/toluidine blue stain.

Micrograph showing lower motor neurons; cytoskeleton in dendrites and axons. Nuclei in surrounding support cells are visible; gold/toluidine blue stai...

Micrograph showing lower motor neurons.

Micrograph showing lower motor neurons.

Neuron; Gold stain

Neurons in myenteric plexus ganglion, (small peripheral ganglion); cytoplasmic processes very clear; gold stain.

Synapses around neuron cell body. Dendrites communicate with neighboring neurons by way of synapses at their tips. Axons terminate a other neurons or...

Lower motor neuron surrounded by synapses. Dendrites communicate with neighboring neurons by way of synapses at their tips. Axons terminate a other ne...

Lower motor neuron embedded in axons and dendrites. Dendrites communicate with neighboring neurons by way of synapses at their tips. Axons terminate a...

Axons with motor end plates on muscle fibers; neuromuscular junction; specialized synapses which terminate on skeletal muscle are called motor end pla...

Axon with motor end plates on muscle fibers; neuromuscular junction. Specialized synapses which terminate on skeletal muscle are called motor end plat...

Axons with motor end plates on muscle fibers; neuromuscular junction; specialized synapses which terminate on skeletal muscle are called motor end pla...

Axons with motor end plates on muscle fibers; neuromuscular junction; specialized synapses which terminate on skeletal muscle are called motor end pla...

Motor end plate on muscle fibers; neuromuscular junction. Specialized synapses which terminate on skeletal muscle are called motor end plates.

LS myelinated nerve fibers, axons and nodes of Ranvier. The myelin sheath of an axon is provided by many Schwann cell. Each covers a section of the ax...

LS myelinated nerve fibers, axons and nodes of Ranvier. The myelin sheath of an axon is provided by many Schwann cell. Each covers a section of the ax...

TS peripheral nerve, light micrograph of the transverse section.

LS peripheral nerve; elongated Schwann cell nuclei.

Spinal ganglion; ganglion on the posterior nerve root of spinal cord as it passes through the intervertebral foramina. Ganglia are discrete aggregatio...

TS peripheral nerves; lipids are stained black. Osmium stain.

TS peripheral nerves; myelin sheaths. Lipids are stained black. Osmium stain.

Spinal ganglion; ganglion on the posterior nerve root of spinal cord as it passes through the intervertebral foramina. Ganglia are discrete aggregatio...

Ganglion on the posterior nerve root of the spinal cord, as it passes through the intervertebral foramina. Ganglia are discrete aggregations of neuron...

Oligodendrocytes in gray matter of cerebral cortex. Oligodendrocytes form myelin sheaths and support neurons in gray matter. Central nervous system ti...

Oligodendrocytes in gray matter of cerebral cortex. Oligodendrocytes form myelin sheaths and support neurons in gray matter. Central nervous system ti...

Astrocytes in gray matter of cerebral cortex.