What's the difference between angle and protractor?

Angle


Definition:

  • (n.) The inclosed space near the point where two lines meet; a corner; a nook.
  • (n.) The figure made by. two lines which meet.
  • (n.) The difference of direction of two lines. In the lines meet, the point of meeting is the vertex of the angle.
  • (n.) A projecting or sharp corner; an angular fragment.
  • (n.) A name given to four of the twelve astrological "houses."
  • (n.) A fishhook; tackle for catching fish, consisting of a line, hook, and bait, with or without a rod.
  • (v. i.) To fish with an angle (fishhook), or with hook and line.
  • (v. i.) To use some bait or artifice; to intrigue; to scheme; as, to angle for praise.
  • (v. t.) To try to gain by some insinuating artifice; to allure.

Example Sentences:

  • (1) A slight varus angle of 2.1 degrees became apparent.
  • (2) The optimal size for stimulation was between 5 degrees and 12 degrees (visual angle).
  • (3) The dependence of fluorescence polarization of stained nerve fibres on the angle between the fibre axis and electrical vector of exciting light (azimuth characteristics) has been considered.
  • (4) Contact angles of Silafocon A and PMMA were relatively uninfluenced by front surface radii between 7.7 and 8.85 and 7.3 to 8.8 mm, respectively.
  • (5) Angle closure glaucoma is a well-known complication of scleral buckling and it is of particular interest when it occurs in eyes with previously normal angles.
  • (6) Projection obliquity resulted in consistent underestimation of DPR angle.
  • (7) Instead of later renal failure and, of course, mental retardation, it was the histological features of the fetus eyes which permit to diagnose and exhibit both congenital cataract and irido-corneal angle dysgenesis.
  • (8) The superior mesenteric artery and the abdominal aorta made the mean angle of 35.5 degree in patients with normal left renal vein, the mean angle of 45.4 degrees in those with left renal vein compression without nutcracker phenomenon, and the mean angle of 11.9 degrees in those with nutcracker phenomenon.
  • (9) A neodymium YAG (Nd:YAG) laser was evaluated in a dog ulcer model used in the same manner as is recommended for bleeding patients (power 55 W, divergence angle 4 degrees, with CO2 gas-jet assistance).
  • (10) We set a new basic plane on an orthopantomogram in order to measure the gonial angle and obtained the following: 1) Usable error difference in ordinary clinical setting ranged from 0.5 degrees-1.0 degree.
  • (11) By measurement and analysis of the changes in carpal angles and joint spaces, carpal instability was discovered in 41 fractures, an incidence of 30.6%.
  • (12) The penetration coefficient, determined by the surface tension, contact angle and viscosity, is a measure of the ability of a liquid to penetrate into a capillary space, such as interproximal regions, gingival pockets and pores.
  • (13) Bohler's angle may be reconstituted with apparent reduction of the posterior facet when projected laterally; however, Broden's and axial views show persistent widening and split of the posterior facet.
  • (14) The advantages of the incision through the pars plana ciliaris are (1) easier approach to the vitreous cavity, (2) preservation of the crystalline lens and an intact iris, and (3) circumvention of the corneal and chamber angle complications sometimes associated with the transcorneal approach.
  • (15) These patients did not have narrow anterior chamber angles preoperatively, and several were aphakix with surgical iris colobomas.
  • (16) Seventy-eight patients presented optochiasmal arachnoiditis: 12 had trigeminal neuralgia; 1, arachnoiditis of the cerebellopontile angle; 6, arachnoiditis of the convex surface of the brain; and 3, the hypertensive hydrocephalic syndrome due to occlusion of the CSF routes.
  • (17) In this paper, we develop functions suggested by and regression fit to crystallographic data which allow three of these torsion angles, alpha (O3'-P-O5'-C5'), delta (C5'-C4'-C3'-O3') and epsilon (C4'-C3'-O3'-P), to be calculated as dependent variables of those remaining.
  • (18) An angle of 40 degrees or more was supposed to be a pathological kyphosis.
  • (19) The lower neck flexion is 35 degrees and extension of the plane of the face 15 degrees, each angle measured relative to horizontal.
  • (20) Two homosexual men, 35 and 42 years old, had bilateral acute angle-closure glaucoma in association with the acquired immune deficiency syndrome.

Protractor


Definition:

  • (n.) One who, or that which, protracts, or causes protraction.
  • (n.) A mathematical instrument for laying down and measuring angles on paper, used in drawing or in plotting. It is of various forms, semicircular, rectangular, or circular.
  • (n.) An instrument formerly used in extracting foreign or offensive matter from a wound.
  • (n.) A muscle which extends an organ or part; -- opposed to retractor.
  • (n.) An adjustable pattern used by tailors.

Example Sentences:

  • (1) Amongst heart, rectum and radula protractor muscles of Pila globosa, the heart showed a negative inotropic and negative chronotropic response while the rectum and radula protractor showed a positive tonotropic response to exogenously applied acetycholine (ACh).
  • (2) During each scratch cycle, the monoarticular knee extensor muscle is active when the limb rubs against the stimulated site, and there is rhythmic alternation between hip protractor and hip retractor muscle activity (Robertson et al., 1985).
  • (3) Interneurons are demonstrated in which membrane potential oscillations mirror the leg position or show correlation with the motoneuronal activity of the protractor and retractor coxae muscles during walking.
  • (4) Objective measurement of the optic nerve head (ONH)-foveal angle, representing the torsional status of 40 eyes in 20 normal patients, was performed by fundus photography and compared to a method utilizing an indirect ophthalmoscope and protractor described herein.
  • (5) Considering the demands for availability, simplicity, applicability, and precision, a new method employing a mobile C-arm fluoroscope equipped with a protractor is used for assessment.
  • (6) Tongue-muscle-controlling motoneurons (tongue-protractor motoneurons (PMNs) and tongue-retractor motoneurons (RMNs)) were identified antidromically, and synaptic inputs in response to electrical stimuli applied to various points in the thalamus (mainly the posterocentral thalamic nucleus) were examined.
  • (7) Maxillary protractors were used beneficially at the period of the dento-craniofacial growth spurt.
  • (8) The protractor and retractor neurons inhibited each other.
  • (9) In a rostral scratch, the monoarticular knee extensor muscle is active during the latter portion of hip protractor muscle activity; in a caudal scratch, the monoarticular knee extensor muscle is active near the end of hip retractor muscle activity.
  • (10) The most clinically useful were cervical rotation using a protractor, cervical lateral flexion using a goniometer, thoracolumbar flexion as the C7 to iliac crest line distraction, thoracolumbar lateral flexion as the fingertip to floor distance and the modified Schober index.
  • (11) Two antagonistic groups of neurons, active in protractor and retractor phases of the feeding cycle, were found in the buccal ganglia of the pteropod mollusc Clione limacina.
  • (12) The electrical stimuli applied to the glossopharyngeal nerve (ipsilateral lingual branch) evoked polysynaptic excitatory postsynaptic potentials (EPSPs) in tongue-protractor motoneurons and mixed mono- and polysynaptic EPSPs in tongue-retractor motoneurons.
  • (13) This included objective assessment of urethral axial positions and mobility with use of a specially designed protractor.
  • (14) In the stick insect (Carausius morosus) imposed forward and backward movements of the coxa of the middle leg induce resistance reflexes in the retractor or protractor coxae muscles, depending on the direction of movement.
  • (15) Patients with GED had significantly lower mean lid protractor force generation than normal subjects, although GED patients with compressive optic neuropathy did not show this difference.
  • (16) In some of the experiments, the hyperpolarization of group 1 neurons resulted in cessation of both their activity and the activity of all other protractor neurons.
  • (17) After an appropriate number of interrupted mattress sutures were placed along the host annulus, one of the 11 protractor rings was chosen and used to copy the partition onto the sewing ring with a tissue pen.
  • (18) The extensors of the head and neck, the protractors and retractors of the forelimb and the extensors of the shoulder, elbow and carpal joints are relatively stronger developed than those in Canidae and Felidae.
  • (19) With the help of the urethral protractor, the urethral stump can be directed into various positions in order to simplify the localization and control of bleeding close to the urethra.
  • (20) Most of the currently known FMRFamide-related peptides (FaRPs) of molluscs were tested in a radioimmunoassay (RIA) and in the two standard bioassays for FMRFamide: the radula protractor muscle of the whelk Busycon contrarium, and the isolated heart of the clam Mercenaria mercenaria.