BioPsych. Ch.15 Flashcards
Cerebral Hemorrhage
A condition caused by bleeding in the brain.
Stroke
A type of brain damage caused by an interruption of the blood supply to the brain.
Aneurysm
A balloonlike bulge in the wall of an artery.
Ischemia
A condition on which inadequate blood flow results in insufficient quantities of oxygen being delivered to tissue.
Infract
An area of dead neural tissue.
Trendiest Ischemic Attack (TIA)
A brief (24-hour-or-less) episode of stroke symptoms that does not caused permanent damage.
Thrombosis
A blockage that doesn’t move from its point of origin in a blood vessel.
Embolism
A blood vessel blockage that originated elsewhere and traveled to its current location.
Penumbra
The area of tissue surrounding an infract.
Traumatic Brain Injury (TBI)
Physical damage to the brain.
Open Head Injury
A head injury in which the brain is penetrated, as in a gunshot wound.
Concussion
A head injury that results from a blow to the head without penetration of the brain or from a blow to another part of the body that results in force transmitted to the brain.
Coup
An area of brain damage at the site of the blow to the head.
Countercoup
An area of the brain damage that occurs on the opposite side of the head from the original site of the blow, or coup.
Subdural Hematoma
A mass of clotted blood (like a bruise) that forms between the dura mater and arachnoid following a head injury.
Postconcussion Syndrome
A set of symptoms that follow concussion for a period of days to years, including headache, cognitive dificts, and emotional changes.
Dementia Pugilistica
A severe form of chronic traumatic brain injury (CTBI) often experienced by boxers.
Chronic Traumatic Brain Injury (CTBI)
A type of brain damage caused by repeated concussions.
Tumor
An independent growth of tissue that lacks purpose.
Malignant Tumor
A type of abnormal cell growth that, lacking boundaries, invades the surrounding tissue and is very likely to recur following surgical removal.
Metastasis
The migration of cancerous cells from one part of the body to another.
Benign Tumor
An abnormal cell growth that develops within its own membrane and is unlikely the recur following surgery to remove it.
Glioma
A tumor that develops from glia cells.