| hollow | 1. A cavity, natural or artificial; an unfilled space within anything; a hole, a cavern; an excavation; as the hollow of the hand or of a tree. 2. A low spot surrounded by elevations; a depressed part of a surface; a concavity; a channel. "Forests grew Upon the barren hollows." (Prior) "I hate the dreadful hollow behind the little wood." (Tennyson) 1. Having an empty space or cavity, natural or artificial, within a solid substance; not solid; excavated in the interior; as, a hollow tree; a hollow sphere. "Hollow with boards shalt thou make it." (Ex. Xxvii. 8) 2. Depressed; concave; gaunt; sunken. "With hollow eye and wrinkled brow." (Shak) 3. Reverberated from a cavity, or resembling such a sound; deep; muffled; as, a hollow roar. 4. Not sincere or faithful; false; deceitful; not sound; as, a hollow heart; a hollow friend. Hollow newel, a pier of stone or brick made behind the lock gates of a canal, and containing a hollow or recess to receive the ends of the gates. Hollow root. <botany> See Moschatel. Hollow square. See Square. Hollow ware, hollow vessels; a trade name for cast-iron kitchen utensils, earthenware, etc. Synonym: Concave, sunken, low, vacant, empty, void, false, faithless, deceitful, treacherous. Origin: OE. Holow, holgh, holf, AS. Holh a hollow, hole. Cf. Hole. Source: Websters Dictionary (01 Mar 1998) |
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| hollow back | Accentuation of the lumbar curvature of the spine. (27 Sep 1997) |
| hollow bone | A bone that is hollow or contains many air cells, such as the mastoid process of the temporal bone. Synonym: os pneumaticum, hollow bone. (05 Mar 2000) |
| hollow fibre reactor | A fermentation system in which the cells are separated from the medium using semipermeable membranes arranged in the form of hollow fibres. (14 Nov 1997) |
| hollow-hearted | Insincere; deceitful; not sound and true; having a cavity or decayed spot within. Synonym: Faithless, dishonest, false, treacherous. Source: Websters Dictionary (01 Mar 1998) |
| hollow-horned | <zoology> Having permanent horns with a bony core, as cattle. Source: Websters Dictionary (01 Mar 1998) |
| hollow wall | A condition of the hoof wall in the toe region of horses, characterised by loss of substance and change in character of the horn, most often as a sequela of mild chronic laminitis. Synonym: dystrophia ungulae, hollow wall. (05 Mar 2000) |
| 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) |
| back of foot reflex | The foot being firmly supported on its inner side, a sharp tap on the dorsal tendons causes extension of the second to the fifth toes. Synonym: back of foot reflex, dorsum of foot reflex. (05 Mar 2000) |
| 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) |