diseases and disorders of the eye and ear

Ngày tải lên: 28/06/2014, 11:20

Ngày tải lên: 05/08/2014, 16:20

Ngày tải lên: 11/08/2014, 06:21

Ngày tải lên: 11/08/2014, 06:21

Ngày tải lên: 11/08/2014, 06:21

Ngày tải lên: 11/08/2014, 06:21

Ngày tải lên: 11/08/2014, 06:21

Ngày tải lên: 11/08/2014, 06:21

Ngày tải lên: 11/08/2014, 06:21

... 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...

Ngày tải lên: 15/03/2014, 07:20

... construct the SIB1 FKBP22 variants containing either 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 SIB1 FKBP22 ... 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 a3 helix [23,24]. In addition, the C-domain of E. coli FkpA ... com- posed of N- and C-domains, which are spanned by a 40 amino 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...

Ngày tải lên: 23/03/2014, 13:20

... the formyl group of the c ofactor and the amino group of a protein residue. In contrast, the absence of absorption maximum at 420 nm of the mutant enzyme spectrum directly demonstrates that the ... expression vector under the control of the T7 promoter, and coexpression of oraE and oraS genes was carried out in E. co li. Meanwhile, the extent of the involvement of AdoCbl or PLP in the in vivo folding process ... determined by measuring the apparent K m value of D -ornithine at 25 , 50, 100, 200 and 400 l M of the inhibitor. For the measurement of the activity of the substrate analogues, an HPLC and NMR-based method...

Ngày tải lên: 30/03/2014, 15:20

... 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...

Ngày tải lên: 06/07/2014, 15:21

... 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...

Ngày tải lên: 06/07/2014, 15:21

... 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...

Ngày tải lên: 06/07/2014, 15:21

... 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...

Ngày tải lên: 06/07/2014, 15:21