(n.) Apparatus above ground at the mouth of a mine or deep well.
Example Sentences:
(1) Asymmetries occur less often whilst using the low-cervical-pull according to Sander, due to the reduced friction between the two plastic parts of this headgear system.
(2) Eight macerated human child skulls with a dental age of approximately 9.5 years (mixed dentition) were consecutively subjected to an experimental standardized high-pull headgear traction system attached to the maxilla at the first permanent molar area via an immovable acrylic resin splint covering all teeth.
(3) Questionnaires designed to assess attitudes and use of headgear were completed by 537 Division I collegiate wrestlers.
(4) This is brought about by the corresponding mechanics of the activator-headgear combination.
(5) These results demonstrated that open bite complicated by a Class II vertical growth pattern can be treated during the mixed dentition with favorable results by a combination of a removable functional appliance and high-pull headgear.
(6) While no change in SNA occurred with Andresen therapy, Begg and headgear therapies produced a permanent reduction in the variable.
(7) The bite-jumping-appliance BJA is a special functional appliance which affects the upper jaw comparably to activator headgear combinations (SNA angle).
(8) Cervical headgear, Class II, or vertical elastics were used when indicated.
(9) All wearers of headgear and their families should be educated in the proper use of these devices and about the potential for severe facial injuries.
(10) The headgear force can either be distributed directly on the teeth to be moved, on hooks which are soldered on the archwire, on chin caps or mandibular troughs resp.
(11) Two types of cervical headgear were presented, the cervical traction with caudal tip and with cranial tip of the long outer bow.
(12) The pterygoid plates of the sphenoid bone, the zygomatic arches, the junction of the maxilla with the lacrimal bone and the ethmoid, and the maxillary teeth were affected by both types of headgear.
(13) The bilateral ear protection device, referred to as "headgear", is fitted to all patients in the burn center who require intubation for an inhalation injury; it is worn continuously until extubation.
(14) The facebow, which is of necessity removable, can be displaced from its intra-oral attachments (whilst still connected to the headgear by the elastics) and may result in personal injury.
(15) Girls were more cooperative in wearing headgear, which was related to their more general attitude of cooperation.
(16) A small reduction was also produced in SNB by Begg and headgear therapies.
(17) The effect of lever arms in the headgear assembly on the load delivered to the teeth warrants further study.
(18) Six subjects would rotate their heads laterally (from side-to-side) for 30 min with each of the headgear loading combinations.
(19) The study comprises an analysis of the effect of treatment with a modified activator combined with a high-pull headgear during a standardized observation period of the initial 6 months of treatment.
(20) Four subjects were monitored in the sleep lab with both our headgear and standard polysomnography.
Headpiece
Definition:
(n.) Head.
(n.) A cap of defense; especially, an open one, as distinguished from the closed helmet of the Middle Ages.
(n.) Understanding; mental faculty.
(n.) An engraved ornament at the head of a chapter, or of a page.
Example Sentences:
(1) Three of these new changes were in the N-terminal domain (headpiece) of repressor, with one change in the core domain at aa 99.
(2) Further, 110K possesses an approximately 10 x 10(3) Mr terminal polypeptide segment that is immunologically related to villin headpiece.
(3) Our results show that essential domains of villin required to induce the growth of microvilli and F-actin redistribution are present in the first half of the core and in the headpiece.
(4) In contrast, the 31P NMR spectrum of the mutant operator, d(TATAGAGCGCTCATA)2, wild-type headpiece complex was significantly perturbed relative to the wild-type repressor-operator complex.
(5) The results suggest that at least certain hybrid protofilaments containing less than four headpieces are accepted in the filament.
(6) The 31P chemical shifts of the phosphates of a third mutant operator, d(TCTGAGCGCTCAGA)2, showed no perturbations upon addition of the wild-type headpiece.
(7) The conserved repeats are found in other actin-severing proteins but not in the villin headpiece.
(8) These results are consistent with the structure determined by NMR and molecular dynamics calculations of the NH2-terminal headpiece-symmetric operator complex (Lamerichs, R.M.J.N., Boelens, R., van der Marel, G.A., van Boom, J.H., Kaptein, R., Buck, F., Fera, B., and Rüterjans, H. (1989) Biochemistry 28, 2895-2991; de Vlieg, J., Berendsen, H.J.C., and van Gunsteren, W.F.
(9) D88, the headpiece domain fragment, binds only to the headpiece of intact desmin.
(10) Two-dimensional nuclear Overhauser effect (2D NOE) spectra of headpiece-operator complexes were taken in both D2O and H2O solutions.
(11) Ultimately, the headpiece was completely eliminated and the asymmetrical tonic neck reflex maintained a zero level of occurrence during lunch periods.
(12) The ATP binding site appears to be located in the headpiece and is made up from a series of loop sequences connecting alternating alpha helices and beta strands.
(13) The results are compared with earlier photo-CIDNP measurements on a complex of headpiece with poly[d(AT)] and with a model derived from a 2D NMR study on a lac headpiece-operator complex.
(14) lac repressor can be dissected by trypsin into a homogenous tetrameric core (accounting for residues 60 to 347), carrying inducer binding activity, and the monomeric amino-terminal peptides ("headpieces") accounting for residues 1 to 59 and 1 to 51, respectively.
(15) A centrally located highly alpha-helical domain of about 310 residues well-conserved in sequence principles and length is flanked by the highly variable sequences of the non-alpha-helical headpiece and tailpiece.
(16) delta may be a stalk which connects the Fl headpiece to the membrane, since the attachment of ECFl to the membrane exhibited an absolute dependence on delta.
(17) On the basis of the established dependence, curves were plotted for the probability forecast of the state of the injured person's consciousness depending on the rate at which the blow occurred and its localization, which may be used in the elaboration of methods for the appraisal of protective helmets and headpieces.
(18) Its performance on three data sets, derived from the lac-repressor headpiece of E. coli, sperm whale myoglobin, and domain 1 of bacteriophage T4 lysozyme, indicates that there may be families of related conformations that are consistent with the experimental data.
(19) The interaction of a symmetric lac operator duplex, d(TGTGAGCGCTCACA)2, with the N-terminal 56-residue headpiece fragment of the lac repressor protein was monitored by 31P NMR spectroscopy.
(20) We report here the total assignment of proton 1H and nitrogen 15NH backbone resonances of this headpiece in the free state.