Virchow angle


Vir·chow an·gle

(fēr'kow), an angle formed by the meeting of a line drawn from the middle of the nasofrontal suture to the base of the anterior nasal spine with a line drawn from this last point to the center of the external auditory meatus. Synonym(s): Virchow-Holder angle

Virchow,

Rudolf, German pathologist and politician, 1821-1902. Virchow angle - an angle formed by the meeting of a line drawn from the middle of the nasofrontal suture to the base of the anterior nasal spine, with a line drawn from this last point to the center of the external auditory meatus. Synonym(s): Virchow-Holder angleVirchow cells - (1) the lacunae in osseous tissue containing the bone cells; also the bone cells themselves; - (2) connective tissue cells between the laminae of fibrous tissue in the cornea. Synonym(s): corneal corpuscles; Virchow corpusclesVirchow corpuscles - Synonym(s): Virchow cells (2)Virchow crystals - yellow-brown, amber, or burnt orange crystals of hematoidin, frequently observed in extravasated blood in tissues.Virchow disease - acute congenital encephalitis, a condition in which the head is abnormally large. Synonym(s): megacephalyVirchow law - there is no special or distinctive neoplastic cell inasmuch as the component cells of neoplasms originate from preexisting forms.Virchow node - a firm, palpable supraclavicular lymph node that may be the first recognized presumptive evidence of a malignant neoplasm in one of the viscera. Synonym(s): signal nodeVirchow psammoma - a firm, cellular neoplasm derived from fibrous tissue of the meninges, choroid plexus, and certain other brain structures. Synonym(s): psammomatous meningiomaVirchow triad - factors predisposing vascular thrombosis.Virchow-Hassall bodies - Synonym(s): Hassall bodiesVirchow-Holder angle - Synonym(s): Virchow angleVirchow-Robin space - a tunnel-like extension of the subarachnoid space surrounding blood vessels that pass into the brain or spinal cord from the subarachnoid space. Synonym(s): His perivascular space