MeningiomaArachnoid granulation: Arachnoid granulations (or arachnoid villi) are small protrusions of the arachnoid (the thin second layer covering the brain) through the dura mater (the thick outer layer). They protrude into the venous sinuses of the brain, and allow cerebrospinal fluid (CSF) to exit the sub-arachnoid space and enter the blood stream.Ankylosing hyperostosisUniversity of Miami Division of Surgical Neurooncology: The Division of Surgical Neurooncology in the Department of Neurological Surgery and Sylvester Comprehensive Cancer Center at the University of Miami is one of the largest and most complete programs for brain tumor treatment in the United States. As the only academic medical center in the region, the University of Miami offers a unique and comprehensive approach to these conditions, with interdisciplinary discussion between neurosurgery, neurology, radiation oncology, and medical oncology.Neurooncology: Neuro-oncology is the study of brain and spinal cord neoplasms, many of which are (at least eventually) very dangerous and life-threatening (astrocytoma, glioma, glioblastoma multiforme, ependymoma, pontine glioma, and brain stem tumors are among the many examples of these). Among the malignant brain cancers, gliomas of the brainstem and pons, glioblastoma multiforme, and high-grade (highly anaplastic) astrocytoma are among the worst.Falx cerebri: The falx cerebri is also known as the cerebral falx, named from its sickle-like form. It is a large, crescent-shaped fold of meningeal layer of dura mater that descends vertically in the longitudinal fissure between the cerebral hemispheres.HyperintensityVestibular schwannomaInfantile hemangiopericytoma: Infantile hemangiopericytoma (also known as "Congenital hemangiopericytoma") is a cutaneous condition characterized by single or multiple dermal and subcutaneous nodules that may be alarmingly large at birth or grow rapidly.Bifrontal craniotomy: a bifrontal craniotomy is a surgical process which is used to target different tumors or malfunctioning areas of the brain.http://www.Ludwig G. KempeAntoni Jan GoetzDense artery sign: In medicine, the dense artery sign or hyperdense artery sign is a radiologic sign seen on computer tomography (CT) scans suggestive of early ischemic stroke. In earlier studies of medical imaging in patients with strokes, it was the earliest sign of ischemic stroke in a significant minority of cases.C14 Timberwolf: The C14 Timberwolf MRSWS (Medium Range Sniper Weapon System) is a bolt action sniper rifle built by the Canadian arms company PGW Defence Technologies Inc. In 2005 they won the contract to supply the Canadian Forces Land Command with the C14 Timberwolf MRSWS for $4.Merlin (bicycles): Merlin titanium|thumb|Merlin titanium MTB frame