| HC | 1) Head Circumferrence; µÎÀ§ 2) źȼö¼Ò 3) Head Compression... |
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| AHN | Army Head Nurse; assistant head nurse |
| HC | hair cell; hairy cell; handicapped; head circumference; head compression; health care; healthy contr... |
| HF | Hageman factor; haplotype frequency; hard filled [capsule]; hay fever; head of fetus; head forward; ... |
| HN | head and neck; head nurse; hemagglutinin neuraminidase; hematemesis neonatorum; hemorrhage of newbor... |
| H-H | head-to head |
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| PST | Proximal straight tubule |
| SLR | Straight leg raising |
| VSL | velocity , straight line velocity |
| AAO-HNS | American Academy of Otolaryngology Head and Neck Surgery |
| gram-negative anaerobic straight, curved, and helical rods | <microbiology> A group of anaerobic, rod-shaped bacteria that show up as pink (negative) when treated by the gram-staining method. (12 Dec 1998) |
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| straight | 1. Right, in a mathematical sense; passing from one point to another by the nearest course; direct; not deviating or crooked; as, a straight line or course; a straight piece of timber. "And the crooked shall be made straight." (Isa. Xl. 4) "There are many several sorts of crooked lines, but there is only one which is straight." (Dryden) 2. <botany> Approximately straight; not much curved; as, straight ribs are such as pass from the base of a leaf to the apex, with a small curve. 3. Composed of cards which constitute a regular sequence, as the ace, king, queen, jack, and ten-spot; as, a straight hand; a straight flush. 4. Conforming to justice and rectitude; not deviating from truth or fairness; upright; as, straight dealing. 5. Unmixed; undiluted; as, to take liquor straight. 6. Making no exceptions or deviations in one's support of the organization and candidates of a political party; as, a straight Republican; a straight Democrat; also, containing the names of all the regularly nominated candidates of a party and no others; as, a straight ballot. Straight arch, a form of arch in which the intrados is straight, but with its joints drawn radially, as in a common arch. A straight face, one giving no evidence of merriment or other emotion. A straight line. "That which lies evenly between its extreme points." . "The shortest line between two points." . "A line which has the same direction through its whole length." . Straight-way valve, a valve which, when opened widely, affords a straight passageway, as for water. Origin: OE. Streit, properly p.p. Of strecchen to stretch, AS. Streht, p.p. Of streccan to stretch, to extend. See Stretch. Source: Websters Dictionary (01 Mar 1998) |
| straight back syndrome | <syndrome> Loss of the normal concavity of the thoracolumbar spine with a narrowed anteroposterior chest dimension, resulting compression of the heart between spine and sternum, and consequent prominent precordial pulsations, an ejection murmur, and radiologic evidence of a widened cardiac silhouette (pancaked heart). (05 Mar 2000) |
| straight gyrus | A gyrus running along the medial part of the orbital surface of the frontal lobe of the cerebral hemisphere. It is bounded laterally by the olfactory sulcus. Synonym: gyrus rectus. (05 Mar 2000) |
| straight part of cricothyroid muscle | <anatomy> See: cricothyroid muscle. (05 Mar 2000) |
| straight seminiferous tubule | The continuation of the tubulus seminifer contortus which becomes straight just before entering the mediastinum to form the rete testis. Synonym: tubulus renalis rectus, tubulus seminifer rectus, collecting tubule, straight tubule, tubulus rectus, tubulus rectus, vasa recta. (05 Mar 2000) |
| straight tubule | One of the straight tubules of the kidney, present in the medulla and pars radiata of the cortex. Synonym: straight seminiferous tubule. (05 Mar 2000) |
| straight venules of kidney | Venules that drain the medullary pyramids of the kidney; they open into arcuate veins. Synonym: venulae rectae renis. (05 Mar 2000) |
| neutral axis of straight beam | The axis perpendicular to the plane of loading of a beam at stresses within the proportional limit; it lies at the gravity axis of the cross-section of the beam. (05 Mar 2000) |
| absorber head | Portion of a rebreathing anaesthesia circuit that contains carbon dioxide absorbent; often referred to as a canister. (05 Mar 2000) |
| anterior ligament of head of fibula | A ligament uniting the anterior part of the head of the fibula to the tibia. Synonym: ligamentum capitis fibulae anterius. (05 Mar 2000) |
| anterior rectus muscle of head | <anatomy, muscle> Origin, transverse process and lateral mass of atlas; insertion, basilar process of occipital bone; action, turns and inclines head forward; nerve supply, ventral primary ramus of first and second cervical spinal nerve. Synonym: musculus rectus capitis anterior, anterior rectus muscle of head, musculus rectus capitis anticus minor. (05 Mar 2000) |
| apex of head of fibula | The pointed upper end of the fibular head to which is attached the arcuate popliteal ligament and part of the biceps femoris tendon. Synonym: apex capitis fibulae, styloid process of fibula. (05 Mar 2000) |
| articular pit of head of radius | The depression on the top (superior surface) of the head of the radius for articulation with the capitulum of the humerus. Synonym: fovea articularis capitis radii, articular pit of head of radius. (05 Mar 2000) |
| articular surface of head of fibula | The flat circular surface on the head of the fibula for articulation with the corresponding facet on the lateral condyle of the tibia. Synonym: facies articularis capitis fibulae. (05 Mar 2000) |
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