| heel bone | The largest of the tarsal bones and is situated at the lower and back part of the foot forming the heel. (12 Dec 1998) |
|---|---|
| heel fly | See: botfly. (05 Mar 2000) |
| heel jar | The patient standing on tiptoe feels pain on suddenly bringing the heels to the ground: in the spine in Pott's disease or disk space infection, in one lumbar region in renal calculus. (05 Mar 2000) |
| heel pad | <radiology> Normal less than 21 mm, enlargement: acromegaly, obesity, steroids (12 Dec 1998) |
| heel spur syndrome | <syndrome> A condition where the plantar fascia becomes inflamed at the region of a bony spur or growth off the calcaneous bone (heel). Common symptoms include foot pain that is exacerbated by activity. (27 Sep 1997) |
| heel tendon | See: Tendon, Achilles (12 Dec 1998) |
| heel-to-shin test | A test of lower limb coordination and position sense; the subject places the heel of one foot on the opposite knee and then slides it distally along the shin to the opposite side. Synonym: heel-to-knee-to-toe test. (05 Mar 2000) |
| spurs, heel | Pointed bony outgrowths at the back of the heel or under the heel beneath the sole of the foot. Heel spurs at the back of the heel are associated with inflammation of the achilles tendon (tendinitis) and cause tenderness and pain at the back of the heel made worse while pushing off the ball of the foot. (12 Dec 1998) |
| lark's-heel | <botany> Indian cress. Source: Websters Dictionary (01 Mar 1998) |
| abdominocardiac reflex | Mechanical stimulation (usually distention) of abdominal viscera causing changes (usually a slowing) in the heart rate or the occurrence of extrasystoles. (05 Mar 2000) |
| Abrams' heart reflex | A contraction of the myocardium when the skin of the precordial region is irritated. (05 Mar 2000) |
| accommodation reflex | Increased convexity of the lens, due to contraction of the ciliary muscle and relaxation of the suspensory ligament, to maintain a distinct retinal image. (05 Mar 2000) |
| Achilles reflex | A contraction of the calf muscles when the tendo calcaneus is sharply struck. Synonym: ankle jerk, ankle reflex, tendo Achillis reflex, triceps surae reflex. (05 Mar 2000) |
| acousticopalpebral reflex | A form of the wink reflex in which there is a contraction, sometimes very slight, of the orbicularis palpebrarum muscle when a sudden noise is made close to the ear; it is absent in labyrinthine disease with total deafness. Synonym: acousticopalpebral reflex, auropalpebral reflex, cochleo-orbicular reflex, startle reflex. (05 Mar 2000) |
| acquired reflex | A reflex that is gradually developed by training and association through the frequent repetition of a definite stimulus. See: conditioning. Synonym: acquired reflex, behaviour reflex, trained reflex. (05 Mar 2000) |