The axon, also called the nerve fiber, is the part of the nerve cell (neuron) which transmits nervous impulses. The axon leaves the nerve cell body (or soma) at an area called the axon hillock. Little offshoots from the axon are called axon...

Nerve fibers (axons) are often covered by a special insulating layer called the myelin sheath. This covering is composed of the membranes of specialized cells called oligodendrocytes (in the brain and spinal cord, or central nervous system) and Schwann...

These are FIBRES involved in the sensation of PAIN. A-delta (δ) fibres are small myelinated (see MYELIN) fibres; A-alpha (α) and A-beta (β) fibres are larger than delta and are also myelinated. The delta fibres, like the unmyelinated C...

The axon is the process of a NEURON whose function is to conduct action potentials. Unlike a DENDRITE, a neuron usually has only one axon. Axons can be myelinated (see MYELIN) or unmyelinated, and myelinated axons can conduct action potentials faster...

An axon or nerve fiber, is a long, slender projection of a nerve cell, or neuron, that conducts electrical impulses away from the neuron's cell body or...

Triad Hospitals Inc. said Monday it agreed to be taken private in a $4.7 billion sale to an affiliate of Goldman Sachs and a JPMorgan Chase & Co. spinoff.The hospital industry is struggling with flat volume and rising numbers of unpaid bills from uninsured patients....

Triad Hospitals Inc. said Monday it agreed to be taken private in a $4.7 billion sale to an affiliate of Goldman Sachs and a JPMorgan Chase & Co. spinoff.The hospital industry is struggling with flat volume and rising numbers of unpaid bills from uninsured patients....

Community Health Systems Inc. said Monday it has agreed to buy Triad Hospitals Inc. for about $5.1 billion, topping a previous bid by private-equity buyers.CHS said the deal would make it the nation's largest publicly traded hospital company. It would own or operate about 130...

Merrill Lynch & Co. said Tuesday it is getting a fresh cash investment of $6.6 billion to strengthen its balance sheet, led by three foreign investment groups.Merrill Lynch has been raising capital after losing billions of dollars on bad bets in the mortgage market. Rising...