Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «A»:
-
AVN
AVN: Avascular necrosis....
-
Avulse
Avulse: To separate or tear away a body part, as from an accident or surgery. While playing football, he avulsed a spinous process....
-
Avulsion
Avulsion: Tearing away. A nerve can be avulsed by an injury, as
can part of a bone. ...
-
Avuncular
Avuncular: 1. Literally, relating to an uncle.
2. Figuratively, suggestive of an uncle, as in geniality.
3 In medical genetics, pertaining to an aunt or uncle. An avuncular relationship is the genetic relationship between aunts and uncles and their nieces and nephews. From the Latin avunculus, mea...
-
Axelrod
Axelrod: See: Axelrod, Julius...
-
Axelrod, Julius
Axelrod, Julius: (1912- ) American pharmacologist and neuroscientist who shared the 1970 Nobel Prize in Physiology or Medicine for his discovery of the actions of neurotransmitters in regulating the metabolism of the nervous system.
Julius ("Julie") Axelrod was born on the Lower East Side of Manhat...
-
Axial tomography, computerized
Axial tomography, computerized: Pictures of structures within the body created by a computer that takes the data from multiple X-ray images and turns them in pictures. The CAT (computerized axial tomography) scan can reveal some soft-tissue and other structures that cannot be seen in conventional X...
-
Axilla
Axilla: The cavity beneath the junction of the arm and the body, better known as the armpit.
The word "axilla" was borrowed directly from the Latin. To the Romans, as to us, the axilla was just the armpit....
-
Axillary
Axillary: Pertaining to the cavity beneath the junction of the arm and the body, better known as the armpit.
The word "axilla" was borrowed directly from the Latin. To the Romans, as to us, the axilla was just the armpit....
-
Axillary dissection
Axillary dissection: Surgery in which the axilla (the armpit) is opened -- to "dissect" means to "cut apart" -- in order to identify, examine, and sometimes remove structures such as lymph nodes or other tissue for diagnosis or treatment....
-
Axillary hyperhidrosis
Axillary hyperhidrosis: Excessive sweating from the armpits. Excessive underarm perspiration tends to start in late adolescence....
-
Axis
Take the Quiz: Chronic Fatigue Syndrome
Understand the Causes of Fatigue Slideshow
Good, Bad Exercises for Low Back Pain Slideshow
...
-
Axon
Axon: A long fiber of a nerve cell (a neuron) that acts somewhat like a fiber-optic cable carrying outgoing (efferent) messages.
The neuron sends electrical impulses from its cell body through the axon to target cells. Each nerve cell has one axon. An axon can be over 20 cm (a foot) in length, whic...
-
Ayurveda
Ayurveda: India's traditional,
natural system of medicine that has been practiced for more
than 5,000 years. Ayurveda provides an integrated approach
to preventing and treating illness through lifestyle
interventions and natural therapies. Ayurvedic theory
states that all disease begins with an...
-
Azoospermia
Azoospermia: No sperm at all. The ejaculate is completely devoid of sperm.
By contrast, in oligospermia (literally, few sperm) there are some sperm, but fewer than normal....
