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Basilar fracture
Basilar fracture A break in bone at the base of the skull. About a half of basilar fractures are caused by bicycle or motor vehicle accidents, about a quarter by falls, and a tenth by recreational activities, particularly by diving accidents. The balance are due to other causes. No matter what cause, the risk of death with a basilar fracture is appreciable. The term basilar means located at or near the base of a structure, especially the skull.
RELATED TERMS--------------------------------------
Bone
Bone refers either to a hardened connective tissue or to one of the individual structures, or organs, into which it is formed, found in many animals. Bones support body structures, protect internal organs, and (in conjunction with muscles) facilitate movement; are also involved with cell formation, calcium metabolism, and mineral storage. The bones of an animal are, collectively, known as the skeleton.
Base
A chemical compound that either donates hydroxide ions or absorbs hydrogen ions when dissolved in water. Bases and acids are referred to as opposites because the effect of an acid is to increase the hydronium ion concentration in water, whereas bases reduce this concentration. Arrhenius bases are water-soluble and always have a pH greater than 7 in solution.
Skull
The bony framework of the head.
Basilar
Located at or near the base of a structure, especially the base of the skull. For example, a basilar fracture is a break in the bone at the base of the skull and can be life-threatening.
Balance
A biological system that enables us to know where our bodies are in the environment and to maintain a desired position. Normal balance depends on information from the inner ear, other senses (such as sight and touch) and muscle movement.
Risk
In clinical trials, the probability of harm or discomfort for subjects, arising from the test product. Acceptable risk differs depending on the condition for which a product is being tested. A product for sore throat, for example, will be expected to have a low incidence of side effects. However, unpleasant side effects may be an acceptable risk when testing a promising treatment for a life-threatening illness.
Death
1. The end of life. The cessation of life. (These common definitions of death ultimately depend upon the definition of life, upon which there is no consensus.) 2. The permanent cessation of all vital bodily functions. (This definition depends upon the definition of "vital bodily functions.") See: Vital bodily functions. 3. The common law standard for determining death is the cessation of all vital functions, traditionally demonstrated by "an absence of spontaneous respiratory and cardiac functions." 4. The uniform determination of death.
Fracture
Broken, especially a broken bone.
SIMILAR TERMS--------------------------------------
Basic Life Support
This is the most basic of the health care provider skills for resuscitation of cardiac arrest patients. It includes only non-invasive techniques, including CPR with basic adjuncts; most states are adding difibrilation to the skill set of the BLS personnel. This is practiced by EMT's, first responders and is the first step of resuscitation in any arrest. Often called BLS or BCLS.
Basic Local Alignment Search Tool
Abbreviated BLAST. A computer program that identifies homologous genes in different organisms (such as worms, the fruit fly, mice, and humans). Homologous genes are genes in different species that share similar structures and functions.
Basilan doctors
All doctors near Basilan, the Philippines. Doctors who can assist a patient in Basilan.
Basilar
Located at or near the base of a structure, especially the base of the skull. For example, a basilar fracture is a break in the bone at the base of the skull and can be life-threatening.
Basildon doctors
All doctors near Basildon, Great Britain. Doctors who can assist a patient in Basildon.
Basingstoke & Deane doctors
All doctors near Basingstoke & Deane, Great Britain. Doctors who can assist a patient in Basingstoke & Deane.
Basirhat doctors
All doctors near Basirhat, India. Doctors who can assist a patient in Basirhat.
PREVIOUS AND NEXT TERMS--------------------------------------
Base-excision repair
See: Base excision repair.
Baseline
1. Information gathered at the beginning of a study from which variations found in the study are measured. 2. A known value or quantity with which an unknown is compared when measured or assessed. 3. The initial time point in a clinical trial, just before a participant starts to receive the experimental treatment which is being tested. At this reference point, measurable values such as CD4 count are recorded. Safety and efficacy of a drug are often determined by monitoring changes from the baseline values.
Basement membrane
A thin membrane upon which is posed a single layer of cells. The basement membrane is made up of proteins held together by type IV collagen. The epithelial cells are anchored with hemidesmosome to the basement membrane. The end result resembles a layer of tiles attached to a thin sheet.
Basic Local Alignment Search Tool
Abbreviated BLAST. A computer program that identifies homologous genes in different organisms (such as worms, the fruit fly, mice, and humans). Homologous genes are genes in different species that share similar structures and functions.
Basilar
Located at or near the base of a structure, especially the base of the skull. For example, a basilar fracture is a break in the bone at the base of the skull and can be life-threatening.
Basilar fracture
Baskerville effect
"A fatal heart attack triggered by extreme psychological stress. The effect is named after Charles Baskerville, a character in the Arthur Conan Doyle story ""The Hound of the Baskervilles,"" who suffers a fatal heart attack due to extreme psychological stress. "
Basophilic leukocyte
See: Basophil.
Bathophobia
An abnormal and persistent fear of depths. Sufferers from bathophobia experience anxiety even though they realize they are safe from falling into or being consumed by depths. The feared object may be a long, dark hallway, a well or a deep pool or lake.
Battered child syndrome
A disease in which children are physically abused. The battered child syndrome is a form of child abuse.
Battle fatigue
The World War II name for what is known today as post-traumatic stress, this is a psychological disorder that develops in some individuals who have had major traumatic experiences (and, for example, have been in a serious accident or through a war). The person is typically numb at first but later has symptoms including depression, excessive irritability, guilt (for having survived while others died), recurrent nightmares, flashbacks to the traumatic scene, and overreaction to sudden noises. Post-traumatic stress became known as such in the 70s due to the adjustment problems of some Vietnam veterans.
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