What's the difference between rod and shaft?

Rod


Definition:

  • (n.) A straight and slender stick; a wand; hence, any slender bar, as of wood or metal (applied to various purposes).
  • (n.) An instrument of punishment or correction; figuratively, chastisement.
  • (n.) A kind of sceptor, or badge of office; hence, figuratively, power; authority; tyranny; oppression.
  • (n.) A support for a fishing line; a fish pole.
  • (n.) A member used in tension, as for sustaining a suspended weight, or in tension and compression, as for transmitting reciprocating motion, etc.; a connecting bar.
  • (n.) An instrument for measuring.
  • (n.) A measure of length containing sixteen and a half feet; -- called also perch, and pole.

Example Sentences:

  • (1) The NORPLANT-2 rod system on the other hand consists of only 2 rods.
  • (2) Since resistance is mainly mediated by R plasmids, we undertook to investigate the characteristics of R plasmid-determined beta-lactamase in 6 Gram-negative rods.
  • (3) Electroretinographic (ERG), morphometric and biochemical studies on retinas from monkeys or rats reveal that moderate level developmental lead (Pb) exposure produces long-term selective rod deficits and degeneration.
  • (4) Electron microscopy revealed the presence of a hitherto unreported peculiar "pilovacuolar" inclusion in numerous mitochondria, composed of an electron dense pile or rod within a vacuole, while globular or crystalline inclusions were absent.
  • (5) Changes in protein phosphorylation induced by phagocytic challenge were identified in cultured rat retinal pigment epithelium (RPE) following exposure to isolated rat rod outer segments (ROS) or to polystyrene latex microspheres (PSL).
  • (6) Thirty-six investigations were made using a number of lithium fluoride micro-rods for each investigation.
  • (7) After intravenous or dorsal lymph sac injections of 3H-22:6, most of the retinal label was seen in rod photoreceptor cells.
  • (8) The antigenic determinant defined by 5E9 was also shown to be present in a 87000 molecular weight polypeptide located in the proximal part of the flagellum of Crithidia oncopelti in which a paraflagellar rod is not detectable at the ultrastructural level.
  • (9) Chloride caused a significant concentration-dependent shortening of myosin rods due to destabilization of the alpha-helical double coiled rod structure.
  • (10) Rod adaptation was abnormal in both families, but the time course of adaptation differed between patients with the two mutations.
  • (11) Electron microscopy shows that at neutral pH, CEA particles consist of homogeneous, morphologically distinctive, twisted rod-shaped particles, about 9 X 40 nm.
  • (12) RCA-1, which is specific for D-galactose, showed patchy fluorescence on the basal and distal portions of the outer segments of the cones and rods, whereas neuraminidase-treated sections had uniform fluorescence throughout the tissues.
  • (13) All are satisfied by [Formula: see text], where N is the size of rod signal, constant for threshold; theta, theta(D) are steady backgrounds of light and receptor noise; varphi is the threshold flash with sigma a constant of about 2.5 log td sec; B the fraction of pigment in the bleached state.
  • (14) The territory’s chief executive Leung Chun-ying, has become a lightning rod for the protesters’ anger .
  • (15) Beyond intraoperative recognition and removal of the rods, effective strategies to prevent this neuronal loss have yet to be developed.
  • (16) Sensitivities to gentamicin, sissomicin, tobramycin, and amikacin were compared in 196 gentamicin-resistant Gram-negative rods and in 212 similar organisms sensitive to gentamicin, mainly isolated from clinical specimens.
  • (17) It should be considered as a causative agent in culture-negative cases of endocarditis and also when a gram-negative rod is isolated which is sensitive to all antibiotics.
  • (18) Rats permitted to recover for 13 weeks and then sacrificed had lost almost all their rods (p less than 0.001) while the cones were reduced by about 50% (p less than 0.01).
  • (19) The reports of rod-dominated psychophysical spectral sensitivity from the deprived eye of monocularly lid-sutured (MD) monkeys are intriguing but difficult to reconcile with the absence of any reported deprivation effects in retina.
  • (20) Rod adaptation had no reliable influence on response to rapid onset in cones or bipolar cells.

Shaft


Definition:

  • (n.) The slender, smooth stem of an arrow; hence, an arrow.
  • (n.) The long handle of a spear or similar weapon; hence, the weapon itself; (Fig.) anything regarded as a shaft to be thrown or darted; as, shafts of light.
  • (n.) That which resembles in some degree the stem or handle of an arrow or a spear; a long, slender part, especially when cylindrical.
  • (n.) The trunk, stem, or stalk of a plant.
  • (n.) The stem or midrib of a feather.
  • (n.) The pole, or tongue, of a vehicle; also, a thill.
  • (n.) The part of a candlestick which supports its branches.
  • (n.) The handle or helve of certain tools, instruments, etc., as a hammer, a whip, etc.
  • (n.) A pole, especially a Maypole.
  • (n.) The body of a column; the cylindrical pillar between the capital and base (see Illust. of Column). Also, the part of a chimney above the roof. Also, the spire of a steeple.
  • (n.) A column, an obelisk, or other spire-shaped or columnar monument.
  • (n.) A rod at the end of a heddle.
  • (n.) A solid or hollow cylinder or bar, having one or more journals on which it rests and revolves, and intended to carry one or more wheels or other revolving parts and to transmit power or motion; as, the shaft of a steam engine.
  • (n.) A humming bird (Thaumastura cora) having two of the tail feathers next to the middle ones very long in the male; -- called also cora humming bird.
  • (n.) A well-like excavation in the earth, perpendicular or nearly so, made for reaching and raising ore, for raising water, etc.
  • (n.) A long passage for the admission or outlet of air; an air shaft.
  • (n.) The chamber of a blast furnace.

Example Sentences:

  • (1) By means of computed tomography (CT) values related to bone density and mass were assessed in the femoral head, neck, trochanter, shaft, and condyles.
  • (2) In contrast, the ryanodine receptor is observed in dendritic shafts, but not in the spines.
  • (3) Five cases of mycetoma of bone involving patella, shaft of tibia, medial malleolus, calcaneum and phalanx of great toe are presented.
  • (4) Since 1984, 16 children (mean age 10.3 years) have had stabilization of their femoral shaft fractures by external fixation (Monofixateur) in the Trauma Department of the Hannover Medical School.
  • (5) The fractures were localized as follows: 7 in the proximal, 7 in the middle, 1 in the distal third of the shaft, 5 subtrochanteric, 1 supracondylar.
  • (6) Normal neck-shaft angle accounted to 53.1% in the traction group.
  • (7) Operative treatment was used 22 times (5 sesamoid fractures, 5 midtibial fractures, 5 metatarsal V base fractures, 3 tarsal navicular fractures, 3 olecranon fractures, and 1 proximal tibial shaft fracture).
  • (8) Twenty-five patients with aseptic nonunion of the humeral shaft, treated by a combined therapeutic procedure, are reported.
  • (9) The tanycyte shafts extended from the floor of the fourth ventricle into the bundle, and often ran the entire length of the bundle, where they intertwined themselves among neurons and dendrites of the medullary raphe nuclei.
  • (10) We successfully applied it in the treatment of eight fractures of the shafts of the femur or tibia which would not unite because of infection, soft tissue interposition or gross incongruity of fragments.
  • (11) The tibial shafts of OVX rats compared to SHAM controls showed elevated periosteal mineral apposition rate and endocortical bone formation parameters.
  • (12) Mid-shaft sections of 100% silicone (Bardex) and hydrogel-coated latex (Biocath) catheters were subjected to controlled in vitro encrustation conditions for periods of up to 18 weeks.
  • (13) The filaments are tightly joined together along their shafts for about 30 nm but they separate at both ends for about 10 nm before contacting the external surface of the plasma membrane.
  • (14) In the original exchange, Scudamore warned Nick West, a City lawyer who works with the Premier League on broadcasting deals, to keep a female colleague they nicknamed Edna “off your shaft”.
  • (15) The sequential examination of the hair shaft allows an assessment of the chloroquine amount taken over time, the individual dosage, the initiation and termination of therapy.
  • (16) The long axis of the femoral shaft was, however, not shown to be a source of substantial error.
  • (17) In the good old days the judges looked the other way when radicals were shafted, shocking bail conditions imposed and foreigners unceremoniously thrown out.
  • (18) We therefore performed an investigation to find whether application of bone cement to the femur caused histamine release in elective hip surgery, and, independently of this, also investigated whether premedication with H1- + H2-antagonists had any effect on the cardiovascular reactions due to bone cement implantation into the femoral shaft in elderly patients with hip fracture.
  • (19) Of the 21 cement-free shaft implantations, 3 had to be replaced, the average age of these patients being 42.9 years.
  • (20) As compared to the mean values of normal gravity controls, centrifuged dogs showed no differences in femur length; cross-sectional area, outer and inner radii at mid-shaft of the femur; dry weights of the biceps femoris, quadriceps femoris, and gastrocnemius muscles.

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