MRI ELBOW jiont anatomy Dr Ahmed Esawy
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The document discusses MRI hip joint anatomy. It provides information from Dr. Ahmed Esawy, who has an MBBS, M.Sc and MD degree. In 3 sentences or less, the document examines the anatomy of the hip joint using MRI imaging.
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MRI TEMPOROMANDIBULAR JIONT ANATOMY Dr Ahmed Esawy
MRI TEMPOROMANDIBULAR JIONT ANATOMY Dr Ahmed Esawy
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The temporomandibular joint is a fundamental articulation for professionals performing orthodontic treatments. Different etiologic agents may alter hard and soft tissues. Treatment of TMJ pathologies through Electronic Mandibular Deprogramming, validated by surface electromyography, allows a muscle position to be used as a correct benchmark of the mandible to initiate an orthodontic treatment. Although these parameters offer better results and more stability, doubts about condyle position in the mandibular fossa always remained. The objective was to determine the three-dimensional condylar position in the mandibular fossa of post-treatment patients with TMJ disorders based on Cone Beam Computed Tomography (CBCT) images.
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The temporomandibular joint is a fundamental articulation for professionals performing orthodontic treatments. Different etiologic agents may alter hard and soft tissues. Treatment of TMJ pathologies through Electronic Mandibular Deprogramming, validated by surface electromyography, allows a muscle position to be used as a correct benchmark of the mandible to initiate an orthodontic treatment. Although these parameters offer better results and more stability, doubts about condyle position in the mandibular fossa always remained. The objective was to determine the three-dimensional condylar position in the mandibular fossa of post-treatment patients with TMJ disorders based on Cone Beam Computed Tomography (CBCT) images.
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The temporomandibular joint is a fundamental articulation for professionals performing orthodontic treatments. Different etiologic agents may alter hard and soft tissues. Treatment of TMJ pathologies through Electronic Mandibular Deprogramming, validated by surface electromyography, allows a muscle position to be used as a correct benchmark of the mandible to initiate an orthodontic treatment. Although these parameters offer better results and more stability, doubts about condyle position in the mandibular fossa always remained. The objective was to determine the three-dimensional condylar position in the mandibular fossa of post-treatment patients with TMJ disorders based on Cone Beam Computed Tomography (CBCT) images.
Scientifi c Journal of Research in Dentistry
The temporomandibular joint is a fundamental articulation for professionals performing orthodontic treatments. Different etiologic agents may alter hard and soft tissues. Treatment of TMJ pathologies through Electronic Mandibular Deprogramming, validated by surface electromyography, allows a muscle position to be used as a correct benchmark of the mandible to initiate an orthodontic treatment. Although these parameters offer better results and more stability, doubts about condyle position in the mandibular fossa always remained. The objective was to determine the three-dimensional condylar position in the mandibular fossa of post-treatment patients with TMJ disorders based on Cone Beam Computed Tomography (CBCT) images.
Dr. SACHIN BABANAGAR DNB (RADIODIAGNOSIS) D. Y PATIL MEDICAL COLLEGE, KOLHAPUR
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Primitive Neuroepithelial tumors [PNET] Medulloblastoma Acoustic neuroma Epidermiod cyst Cerebellar Hemorrhage Cerebellar Infarction Pontine infarction Pilocytic Astrocytoma Hemangioblastoma Multiple sclerosis Brain stem hematoma Brain stem glioma Osmotic demyelination syndrome Central pontine myelinolysis Colloid cyst Intra-ventricular dermoid cyst Anaplastic astrocytoma Falcine meningioma with cystic component Tuberous sclerosis with Subependymal Giant Cell Astrocytoma ARACHNOID CYSTcorpus callosum lipoma corpus callosum marchiafava CORPUS CALLOSUM MS CNS Herniations descending trasnstentorial herniation cholesterol granuloma endolymphatic sac tumor glomus tympanicum malignent otitis externa, osteomyelitis base skull chordoma germinoma neuroenteric cyst schizencephaly septic cavernous sinus thrombosis superficial siderosis epidermoid pineal diffusion LEFORT fracture tripod fracture adrenoleukodystrophy leigh disease AIDS PML progressive multifocal leukoencephalopathy karappe disease , dysmyelinition , thalamic involvement leukodystrophy alexander metachromatic leuckodystrophy melas meerf ..zellweger subacute sclerosing pan encephalitis jugular schwannoma Neuroblastoma metastasis TRIGEMINAL SCHWANNOMA Neurofibroma Tuberous Sclerosis
Von Hippel-Lindau Disease cerberallar haemangioblastoma basal ganglia calcifications karappe disease LYSOSOMAL STORAGE DISEASES metachromatic leukodystrophy krabbe
mucopolysaccharidosis PEROXISOMAL DISORDERS adrenoleukodystrophy zellweger syndrome MITOCHONDRIAL DYSFUNCTION MELAS syndrome Leigh's disease Kearn-sayre syndrome CANAVAN DISEASE UNKNOWN CAUSES Pelizaeus-
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Learning objectives:
1. Enlist the non-respiratory functions of the respiratory tract
2. Briefly explain how these functions are carried out
3. Discuss the significance of dead space
4. Differentiate between minute ventilation and alveolar ventilation
5. Describe the cough and sneeze reflexes
Study Resources:
1. Chapter 39, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 34, Ganong’s Review of Medical Physiology, 26th edition
3. Chapter 17, Human Physiology by Lauralee Sherwood, 9th edition
4. Non-respiratory functions of the lungs https://academic.oup.com/bjaed/article/13/3/98/278874
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Top 10 Best Ayurvedic Kidney Stone Syrups in India
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Physiology of Special Chemical Sensation of Taste
Title: Sense of Taste
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the structure and function of taste buds.
Describe the relationship between the taste threshold and taste index of common substances.
Explain the chemical basis and signal transduction of taste perception for each type of primary taste sensation.
Recognize different abnormalities of taste perception and their causes.
Key Topics:
Significance of Taste Sensation:
Differentiation between pleasant and harmful food
Influence on behavior
Selection of food based on metabolic needs
Receptors of Taste:
Taste buds on the tongue
Influence of sense of smell, texture of food, and pain stimulation (e.g., by pepper)
Primary and Secondary Taste Sensations:
Primary taste sensations: Sweet, Sour, Salty, Bitter, Umami
Chemical basis and signal transduction mechanisms for each taste
Taste Threshold and Index:
Taste threshold values for Sweet (sucrose), Salty (NaCl), Sour (HCl), and Bitter (Quinine)
Taste index relationship: Inversely proportional to taste threshold
Taste Blindness:
Inability to taste certain substances, particularly thiourea compounds
Example: Phenylthiocarbamide
Structure and Function of Taste Buds:
Composition: Epithelial cells, Sustentacular/Supporting cells, Taste cells, Basal cells
Features: Taste pores, Taste hairs/microvilli, and Taste nerve fibers
Location of Taste Buds:
Found in papillae of the tongue (Fungiform, Circumvallate, Foliate)
Also present on the palate, tonsillar pillars, epiglottis, and proximal esophagus
Mechanism of Taste Stimulation:
Interaction of taste substances with receptors on microvilli
Signal transduction pathways for Umami, Sweet, Bitter, Sour, and Salty tastes
Taste Sensitivity and Adaptation:
Decrease in sensitivity with age
Rapid adaptation of taste sensation
Role of Saliva in Taste:
Dissolution of tastants to reach receptors
Washing away the stimulus
Taste Preferences and Aversions:
Mechanisms behind taste preference and aversion
Influence of receptors and neural pathways
Impact of Sensory Nerve Damage:
Degeneration of taste buds if the sensory nerve fiber is cut
Abnormalities of Taste Detection:
Conditions: Ageusia, Hypogeusia, Dysgeusia (parageusia)
Causes: Nerve damage, neurological disorders, infections, poor oral hygiene, adverse drug effects, deficiencies, aging, tobacco use, altered neurotransmitter levels
Neurotransmitters and Taste Threshold:
Effects of serotonin (5-HT) and norepinephrine (NE) on taste sensitivity
Supertasters:
25% of the population with heightened sensitivity to taste, especially bitterness
Increased number of fungiform papillae
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