Toynbee,
Joseph, English otologist, 1815-1866. Toynbee corpuscles - connective tissue cells found between the laminae of fibrous tissue in the cornea. Synonym(s): corneal corpuscles
Toynbee manuever - swallowing or blowing while nose is pinched closed and the mouth is shut opens the ears.
Toynbee muscle - draws the handle of the malleus medialward, tensing the tympanic membrane to protect it from excessive vibration by loud sounds. Synonym(s): tensor tympani muscle
Toynbee tube - a tube by which an otologist can listen to the sounds in a patient's ear during politzerization.
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 angle Virchow 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 corpuscles Virchow 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): megacephaly
Virchow 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 node
Virchow psammoma - a firm, cellular neoplasm derived from fibrous tissue of the meninges, choroid plexus, and certain other brain structures. Synonym(s): psammomatous meningioma
Virchow triad - factors predisposing vascular thrombosis.
Virchow-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
Medical Eponyms © Farlex 2012