- 1. An instrument curved or bent near its tip, used for fixation of a part or traction. 2. hamulus. [A.S. hok]- calvarial h. an instrument used in prying off the top of the skull after it has been sawed around, at autopsies and dissections.- h. of hamate a hooklike process on the distal and medial part of the palmar surface of the hamate bone. SYN: hamulus ossis hamati [TA].- palate h. an instrument for pulling forward the soft palate in order to facilitate posterior rhinoscopy.- sliding h. a movable attachment used on an orthodontic wire for the application of elastic traction or headgear force.- squint h. a surgical instrument used to lift ocular muscles.- tracheotomy h. right-angled h. used in holding the trachea steady during tracheotomy.
* * *hook 'hu̇k n1) an instrument used in surgery to take hold of tissue <a crypt \hook> <a cordotomy \hook>2) an anatomical part that resembles a hook
* * *n.a surgical instrument with a bent or curved tip, used to hold, lift, or retract tissue at operation.
* * *(hook) 1. a curved instrument, usually with a sharp point, designed for holding, elevating, or exerting traction on a tissue. 2. something with a long, thin, curved shape resembling that of this instrument; see hamulus and uncus.
Medical dictionary. 2011.