diseases and disorders of the eye and ear
UNDER SECTIONS 318 AND 319 OF THE FAIR AND ACCURATE CREDIT TRANSACTIONS ACT OF 2003 docx
... applicants, a random sample of 15,703 credit applicants was selected for the study. The study then asked the CRAs to review the credit files of the individuals in the sample and determine whether the credit ... assessment of the degree of difficulty, and the types of difficulties, with which each of the above tasks was performed. The results of the pilot study, and the next steps taken by the Commission in ... both test the feasibility of a national survey and allow the FTC to estimate the potential costs of such a survey. Depending on the outcome of the pilot study, the FTC may conduct further pilot...
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Báo cáo khoa học: Stabilities and activities of the N- and C-domains of FKBP22 from a psychrotrophic bacterium overproduced in Escherichia coli pptx
... construct the SIB1 FKBP22 variants containingeither one of these domains and compare their activities and stabilities with those of the intact protein.In this report, the N- and C-domains of SIB1FKBP22 ... proteolysis of L. pneumophila MIP allows the separation of their N- and C-domains such that the C-domain contains the C-terminal half of the a3helix [23,24]. In addition, the C-domain of E. coliFkpA ... com-posed of N- and C-domains, which are spanned by a 40amino acid long a3 helix. The N-domain consists of a1 and a2 helices and an N-terminal region of a3 helix. The C-domain consists of six b-strands...
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Báo cáo khoa học: Coexpression, purification and characterization of the E and S subunits of coenzyme B12 and B6 dependent Clostridium sticklandii D-ornithine aminomutase in Escherichia coli potx
... the formyl group of the c ofactor and the aminogroup of a protein residue. In contrast, the absence of absorption maximum at 420 nm of the mutant enzymespectrum directly demonstrates that the ... expression vector under the control of the T7promoter, and coexpression of oraE and oraS genes wascarried out in E. co li. Meanwhile, the extent of the involvement of AdoCbl or PLP in the in vivo foldingprocess ... determined by measuring the apparent Kmvalue of D-ornithine at 25 , 50, 100, 200 and 400 lM of the inhibitor.For the measurement of the activity of the substrateanalogues, an HPLC and NMR-based method...
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Chapter 029. Disorders of the Eye (Part 12) ppt
... common in people of northern European descent. Their diagnosis is obvious when they are visible as glittering particles upon the surface of the optic disc. However, in many patients they are hidden ... fulminant papilledema. Optic Disc Drusen These are refractile deposits within the substance of the optic nerve head (Fig. 29-13). They are unrelated to drusen of the retina, which occur in age-related ... cerebrospinal fluid, points by exclusion to the diagnosis of pseudotumor cerebri (idiopathic intracranial hypertension). The majority of patients are young, female, and obese. Treatment with a carbonic...
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Chapter 029. Disorders of the Eye (Part 14) pps
... Chapter 029. Disorders of the Eye (Part 14) Stroke This occurs when interruption of blood supply from the posterior cerebral artery to the visual cortex is prolonged. The only finding ... variety of genetic diseases, such as myotonic dystrophy, neurofibromatosis type 2, and galactosemia. Radiation therapy and glucocorticoid treatment can induce cataract as a side effect. The cataracts ... viewing light reflected from the fundus with an ophthalmoscope or by examining the dilated eye using the slit lamp. The only treatment for cataract is surgical extraction of the opacified lens. Over...
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Chapter 029. Disorders of the Eye (Part 16) pps
... detachment of the retinal pigment epithelium and the neurosensory retina. These detachments produce acute or chronic symptoms of metamorphopsia and blurred vision when the macula is involved. They ... by administration of panretinal laser photocoagulation at the appropriate point in the evolution of the disease. For further discussion of the manifestations and management of diabetic retinopathy, ... Chapter 029. Disorders of the Eye (Part 16) Central Serous Chorioretinopathy This primarily affects males between the ages of 20 and 50. Leakage of serous fluid from the choroid causes...
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Chapter 029. Disorders of the Eye (Part 17) potx
... 029. Disorders of the Eye (Part 17) Melanoma and Other Tumors Melanoma is the most common primary tumor of the eye (Fig. 29-18). It causes photopsia, an enlarging scotoma, and loss of vision. ... atrophy of retrobulbar fat, or fracture of the orbital floor. The position of the eyes within the orbits is measured using a Hertel exophthalmometer, a hand-held instrument that records the position ... to a therapeutic trial of systemic glucocorticoids indirectly provides the best confirmation of the diagnosis. When the globes appear asymmetric, the clinician must first decide which eye...
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Chapter 029. Disorders of the Eye (Part 18) ppt
... stretching and redundancy of eyelid skin and subcutaneous fat (dermatochalasis). The extra weight of these sagging tissues causes the lid to droop. Enlargement or deformation of the eyelid from infection, ... drooping of the eyelid. Unilateral or bilateral ptosis can be congenital, from dysgenesis of the levator palpebrae superioris, or from abnormal insertion of its aponeurosis into the eyelid. ... weakness), or a family history of ptosis should be sought. Fluctuating ptosis that worsens late in the day is typical of myasthenia gravis. Chapter 029. Disorders of the Eye (Part 18) Orbital...
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Chapter 029. Disorders of the Eye (Part 19) ppsx
... "lazy" eye) in the deviated eye. Chapter 029. Disorders of the Eye (Part 19) Myogenic Ptosis The causes of myogenic ptosis include myasthenia gravis (Chap. 381) and a number of rare myopathies ... primary gaze, and then with the head turned and tilted in each direction. In the above example, a cover test with the head turned to the right will maximize the fixation shift evoked by the cover ... If the eye movements are full and the ocular misalignment is equal in all directions of gaze (concomitant deviation), the diagnosis is strabismus. In this condition, which affects about 1% of...
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Chapter 029. Disorders of the Eye (Part 20) ppt
... when the oculomotor nerve is injured by trauma or compression (tumor, aneurysm). Miswiring of sprouting fibers to the levator muscle and the rectus muscles results in elevation of the eyelid ... from microvascular infarction of the nerve, somewhere along its course from the brainstem to the orbit. Usually the patient complains of pain. Diabetes, hypertension, and vascular disease are major ... the subarachnoid space the oculomotor nerve is vulnerable to aneurysm, meningitis, tumor, infarction, and compression. In cerebral herniation the nerve becomes trapped between the edge of the...
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Chapter 029. Disorders of the Eye (Part 21) pps
... generally have the opposite effect: the eyes deviate conjugately away from the irritative focus. Parietal lesions disrupt smooth pursuit of targets moving toward the side of the lesion. Bilateral ... impaired eye- hand coordination (optic ataxia), difficulty initiating voluntary eye movements (ocular apraxia), and visuospatial disorientation (simultanagnosia). Chapter 029. Disorders of the Eye ... sclerosis are the most common etiologies of brainstem abducens palsy. After leaving the ventral pons, the abducens nerve runs forward along the clivus to pierce the dura at the petrous apex,...
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