meningioma

n. a benign brain tumor that develops in the arachnoid layer of the meninges, accounting for 15% to 25% of all tumors of the brain and spinal cord. Meningiomas are typically slow growing and cause damage mainly by pressure against the brain. Patients may complain of headaches or seizures as first symptoms.

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Psychology term of the day

May 9th 2024

exon

n. a sequence of DNA within a gene that encodes a part or all of the gene’s product or function. Exons are separated by noncoding sequences (see intron).