zoster-, zoster +

(Greek: girdle; belt)

An old name for the twelfth vertebra of the spinal column because a belt girding the body is usually placed over it.
herpes zoster ophthalmicus
Herpes zoster involving the ophthalmic nerve, with a vesicular (small skin blister) erythematous (redness of the skin) rash along the nerve path (forehead, eyelid, and cornea) preceded by lancinating (sharply cutting) pain.
herpes zoster; shingles, zoster, zona, acute posterior ganglionitis
1. An acute infectious, usually self-limited, disease believed to represent activation of latent varicella-zoster virus in those who have been rendered partially immune after a previous attack of chickenpox.
2. A reactivation of the same Herpes virus that is responsible for chicken pox. This results in a painful blistery red rash that is confined to one side of the body.
3. Eruptions along a nerve path often accompanied by severe neuralgia or an acute viral disease caused by a herpesvirus (the same virus that causes chickenpox).

Characteristics include inflammation of spinal ganglia with pain and a vesicular eruption along the area of distribution of a sensory nerve.

It sometimes accompanies diseases such as pneumonia, tuberculosis, and lymphoma; and it may be triggered by trauma or injection of certain drugs.

In some cases, it appears without any apparent reason for activation.

It involves the sensory ganglia and their areas of innervation, characterized by severe neuralgic pain along the distribution of the affected nerve and crops of clustered vesicles over the area of the corresponding dermatome, and it is usually unilateral and confined to a single or adjacent dermatomes.

1. A belt or girdle worn by men in ancient Greece.
2. Herpes zoster; pain typical of herpes zoster in an appropriate sensory area but not followed by the development of characteristic lesions.

Varicella zoster is the virus that causes chickenpox and it is a member of a big family of related viruses in the Herpes clan, so shingles is a relative of the common cold sore (Herpes labialis).

After a person has a natural case of chickenpox, the virus lives on in the body in the nervous system; specifically, in the nerve roots branching off the spinal cord and coursing out between the spinal discs to the body.

Certain stimuli (stress, fever, tension, etc.) in certain unfortunate individuals can trigger the virus to multiply and flow down the nerve fibers to the skin. There, itchy, sometimes painful lesions, quite reminiscent of chickenpox sores will develop.

If these are tested, they are full of chickenpox virus (varicella zoster). The resultant painful disease is sometimes called shingles. If shingles re-occurs (and sometimes it does; especially, in older people) it apparently always affects exactly the same area of the body.

zoster auricularis
Herpes zoster of the ear.
zoster brachilis
Herpes zoster affecting the arm or forearm.
zoster facialis (s) (noun) (no plural found)
A viral disease characterized by a painful skin rash with blisters involving the sensory fibers of the trigeminal nerve distributed over the face: The zoster facialis involves any of the cranial nerves, that have sensory and motor functions in the face, teeth, mouth, and nasal cavity.
zoster femaralis
Herpes zoster occurring over the sacrum (curved triangular bone at the back of the pelvis with the hipbones on each side) and extending down the thighs. The perineal region (between the anus and the sex organs) may be involved.
zoster ophthalmicus
Herpes zoster affecting the first division of the fifth cranial nerve or the ophthalmic (eye) nerve which can seriously affect one's sight.
1. Shaped like a girdle or belt.
2. Resembling herpes zoster.
1. Similar to or like a belt.
2. Resembling herpes zoster.
Any of the small birds of the genus so named, widely distributed chiefly in tropical and subtropical regions, and charaterized by a ring of white feathers around the eyes; also known as, "silver-eye" or "white-eye".