Amp Health Dictionary

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Amp: From 1 Different Sources

(adenosine monophosphate) a compound containing adenine, ribose, and one phosphate group. AMP occurs in cells and is involved in processes requiring the transfer of energy (see ATP).

Health Source: Oxford | Concise Colour Medical Dictionary
Author: Jonathan Law, Elizabeth Martin

Amputation

Severance of a limb, or part of a limb, from the rest of the body. The leg is the most common site of amputation. It is usually performed as a controlled operation and may be required for a variety of reasons. In the young, severe injury is the most common cause, when damage to the limb is so extensive as to make it non-viable or functionally useless. In the elderly, amputation is more often the result of vascular insu?ciency, resulting in gangrene or intractable pain.

Sarcoma (see CANCER) of bone, muscle or connective tissues in a limb is another reason for amputation.

The aim is to restore the patient to full mobility with a prosthetic (arti?cial) limb, which requires both a well-?tting PROSTHESIS and a well-healed surgical wound. If this is not possible, the aim is to leave the patient with a limb stump that is still useful for balancing, sitting and transferring. Common types of lower-limb amputation are shown in the illustration. The Symes amputation can be walked upon without requiring a prosthesis. The below-knee amputation preserves normal ?exion of the knee, and virtually normal walking can be achieved with a well-?tting arti?cial limb. Learning to walk is more di?cult following an above-knee amputation, but some highly motivated patients can manage well. After any amputation it is not unusual for the patient to experience the sensation that the limb is still present: this is called a ‘PHANTOM LIMB’ and the sensation may persist for a long time.... amputation

Ampicillin

See PENICILLIN; ANTIBIOTICS.... ampicillin

Amphetamines

A group of drugs closely related to ADRENALINE which act by stimulating the SYMPATHETIC NERVOUS SYSTEM. When taken by mouth they have a profound stimulating e?ect on the brain, producing a sense of well-being and con?dence and seemingly increasing the capacity for mental work. They are, however, drugs of DEPENDENCE and their medical use is now strictly limited – for example, to the treatment of NARCOLEPSY.

Because amphetamines inhibit appetite, they rapidly achieved a reputation for slimming purposes. However, they should not be used for this purpose; their dangers far outweigh their advantages.... amphetamines

Amphotericin

A highly toxic, polygenic antifungal drug that must be given only under close medical supervision and for severe systemic fungal infections (see FUNGAL AND YEAST INFECTIONS). It is not absorbed from the gut so is normally given parenterally (see PARENTERAL). Oral and intestinal candidiasis (see CANDIDA) can, however, be treated with amphotericin tablets.... amphotericin

Ampoule

A small glass container having one end drawn out into a point capable of being sealed so as to preserve its contents sterile. It is used for containing solutions for hypodermic injection.... ampoule

Ampulla

An enlarged, flask-shaped area at the end of a tubular structure or canal. There are several ampullae in the body, including at the end of the fallopian tubes, at the opening of the bile duct into the intestine, and on each of the semicircular canals of the inner ear.... ampulla

Amparo

(Spanish) One who offers shelter; a protector... amparo

Amphicome Emodi

Lindl.

Family: Bignoniaceae.

Habitat: Temperate Himalaya from Kashmir to Kumaon at 600-2700 m.

Folk: Kaur (Kashmir).

Action: Plant—febrifuge; used as a substitute for Swertia chirayita.

An iridoid glycoside named amph- icoside is reported from the plant.... amphicome emodi

Amphitrite

(Greek) In mythology, a sea goddess and wife of Poseidon Amfitrite... amphitrite

Amphoric

An adjective denoting the kind of breathing heard over a cavity in the lung. The sound is like that made by blowing over the mouth of a narrow-necked vase.... amphoric

Ampulla Of Vater

The dilated section of the common BILE DUCT when it is joined by the duct from the PANCREAS.... ampulla of vater

Laminum Amplexicaule

Linn.

Family: Labiatae; Lamiaceae.

Habitat: The temperate Himalayas from Kashmir to Kumaon, Sikkim and Assam.

Folk: Titpaati (Garhwal), Jipachi (Tibbet).

Action: Plant—stimulant, laxative, diaphoretic, cephalic, antirheum- atic.... laminum amplexicaule

Plantago Amplexicaulis

Cav. var. bauphula (Edgew.) Pilger.

Family: Plantaginaceae.

Habitat: Punjab, Rajasthan and Delhi.

English: Brown Ispaghula.

Unani: Aspaghol.

Action: Seed—astringent. Seed coat—demulcent.

See Plantago ovata.... plantago amplexicaulis

Amphetamine Drugs

See amfetamine drugs.... amphetamine drugs

Amphotericin B

A drug used to treat fungal infections.

Lozenges are used for candidiasis of the mouth.

Life-threatening infections, such as cryptococcosis and histoplasmosis, are treated by injection.

Adverse effects may occur with injection and include vomiting, fever, headache, and, rarely, seizures.... amphotericin b

Amputation, Congenital

The separation of a body part (usually a limb, finger, or toe) from the rest of the body, as a result of the part’s blood supply being blocked by a band of amnion (fetal membrane) in the uterus.

The affected part may be completely separated or show the marks of the “amniotic band” after birth.

(See also limb defects.)... amputation, congenital

Amphoteric

A normaliser. A remedy that serves to harmonise the function of an organ (liver, endocrine gland) in such a way as to “improve apparently contradictory symptoms” (Simon Mills). A plant that acts in two different ways, having two different characters. In chemistry, an amphoteric affects both red and blue litmus, acting both as an acid and an alkali. Some plants have opposite effects, notably Lily of the Valley, according to the condition of the heart.

Thus, a plant may normalise glandular secretions, build up cell protein and enable the body to recover from exertion. This important group includes Gotu Kola, Sarsaparilla and Ginseng. ... amphoteric

Amputation, Traumatic

Loss of a finger, toe, or limb through injury. (See also microsurgery.)... amputation, traumatic

Ampere

n. the basic *SI unit of electric current. It is equal to the current flowing through a conductor of resistance 1 ohm when a potential difference of 1 volt is applied between its ends. The formal definition of the ampere is the current that when passed through two parallel conductors of infinite length and negligible cross section, placed 1 metre apart in a vacuum, produces a force of 2 × 10?7 newton per metre between them. Symbol: A.... ampere

Amphiarthrosis

n. a slightly movable joint in which the bony surfaces are separated by fibrocartilage (see symphysis) or hyaline cartilage (see synchondrosis).... amphiarthrosis

Amphoric Breath Sounds

see breath sounds.... amphoric breath sounds

Forequarter Amputation

an operation involving removal of an entire arm, including the scapula and clavicle. It is usually performed for soft tissue or bone sarcomas arising from the upper arm or shoulder. Compare hindquarter amputation.... forequarter amputation

Hindquarter Amputation

an operation involving removal of an entire leg and part or all of the pelvis associated with it. It is usually performed for soft tissue or bone sarcomas arising from the upper thigh, hip, or buttock. Compare forequarter amputation.... hindquarter amputation

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