| topping and back pressure turbine | Turbines which operate at exhaust pressure considerably higher than atmospheric (noncondensing turbines). These turbines are often multistage types with relatively high efficiency. (05 Dec 1998) |
|---|---|
| true muscles of back | Muscles of the back innervated by the dorsal primary rami of spinal nerves; includes erector spinae, transversospinalis, interspinal, and intertransverse muscles; excludes the superficial back muscles which are appendicular and are innervated by ventral rami, and the trapezius, innervated by the spinal accessory nerve. Synonym: true muscles of back. (05 Mar 2000) |
| fold-back elements | A type of transposable element that possesses long inverted repeats, such that when denatured, loops are formed. (05 Mar 2000) |
| low back pain | A continuous pain in the lower back or lumbar region. (12 Dec 1998) |
| abductor digiti minimi muscle of foot | Origin, lateral and medial processes of calcanean tuberosity; insertion, lateral side of proximal phalanx of fifth toe; action, abducts and flexes little toe; nerve supply, lateral plantar nerve. Synonym: musculus abductor digiti minimi pedis, abductor muscle of little toe, musculus abductor digiti quinti. (05 Mar 2000) |
| accessory flexor muscle of foot | <anatomy, muscle> Origin, by two heads from the lateral and medial borders of the inferior surface of the calcaneus; insertion, tendons of flexor digitorum longus; action, assists long flexor; nerve supply, lateral plantar. Synonym: musculus flexor accessorius, musculus quadratus plantae, accessory flexor muscle of foot, caro quadrata sylvii, musculus pronator pedis, plantar quadrate muscle, quadrate muscle of sole. (05 Mar 2000) |
| ankle-foot orthosis | A brace (usually plastic) worn on the lower leg and foot to support the ankle, hold the foot and ankle in the correct position, and correct foot drop. (12 Dec 1998) |
| arches of the foot | See: longitudinal arch of foot, plantar arch. (05 Mar 2000) |
| articulations of foot | Joints including the talocrural, intertarsal, tarsometatarsal, intermetatarsal, metatarsophalangeal and interphalangeal joints. Synonym: articulationes pedis, articulations of foot. (05 Mar 2000) |
| athlete's foot | <dermatology> A fungal infection of the feet treatable with nonprescription medications. Symptoms include: a red itchy rash with flaking or peeling. (27 Sep 1997) |
| ballerina-foot pattern | A vigorous posteromedial contraction of the left ventricle coupled with convexity anteriorly sometimes resulting from poor contraction of the opposing anterior wall; it is the most frequent dyssynergy observed in the prolapsed mitral valve leaflet syndrome (even with a normal anterior wall) and produces a configuration of angiographic dye in the right anterior oblique projection resembling a ballerina's foot; sometimes called dancer's foot malformation. (05 Mar 2000) |
| ball of the foot | The padded portion of the sole, at the anterior extremity of the heads of the metatarsals, upon which the weight rests when the heel is raised. (05 Mar 2000) |
| bear's-foot | <botany> A species of hellebore (Helleborus foetidus), with digitate leaves. It has an offensive smell and acrid taste, and is a powerful emetic, cathartic, and anthelmintic. Source: Websters Dictionary (01 Mar 1998) |
| bird's-foot | <botany> A papilionaceous plant, the Ornithopus, having a curved, cylindrical pod tipped with a short, clawlike point. Bird's-foot trefoil. <botany> A genus of plants (Lotus) with clawlike pods. L. Corniculatas, with yellow flowers, is very common in Great Britain. The related plant, Trigonella ornithopodioides, is also European. Source: Websters Dictionary (01 Mar 1998) |
| burning foot syndrome | <syndrome> A disorder observed in prisoners-of-war in World War II, now believed to be due to a pantothenate deficiency. (05 Mar 2000) |