PPT-Bone Diseases and Abnormalities

Jake Turner and Roger Deering Learning Objectives Explain how the structure of bone allows it to carry out its functions strong due to hydroxyapatite crystals flexible due to collagen good loadbearing due to honeycomb structure. By. . SOMESHWAR.K. M.PHARM.. II - SEMESTER . . . Department of Pharmaceutics. University College of Pharmaceutical Sciences,. KAKATIYA UNIVERSITY. Fetal Abnormalities Detectable by Ultrasound. Brain. Anencephaly. Hydrocephalus. Chiari. deformities. Encephalocele. Spine. Spina. bifida . cystica. Myelomeningocele. Renal. Hydronephrosis. Renal agenesis. Densitometry. ( DEXA SCAN). Dr Malith Kumarasinghe. MBBS (Colombo). Osteoporosis. Osteoporosis is the most common metabolic bone disorder. It has been defined by the National Institutes of Health as an age-related disorder characterized by . The hard outer layer of bones is made of compact (cortical) bone, which covers the lighter spongy (trabecular) bone inside. The outside of the bone is covered with a layer of fibrous tissue called per Ali AL-. Hiyali. BDS,MSc. OMFS UK . AL-. Mustansyria. . uni. /college of dentistry . BDS 4, 2015-2016. Intended Tutorial outcomes. At the end of this tutorial you should be able to:. Define the pre-prosthetic surgery process. Otosclerosis. . Otosclerosis. is an . autosomal. dominant disease, in which the fixation of footplate of the stapes in the oval window will occur due to development of spongy bone from the bony labyrinth, causing immobilization of the footplate of the stapes, which reduces the transmission of vibration to the inner ear. Lecture no. 3. Prepared by Dr.Salah Mohammad Fatih. MBChB,DMRD,FIBMS(radiology). Multiple focal lesions. Metastases & multiple myeloma are most common cause of obvious multiple lytic lesions in the bone.. Classification of bone diseases. . It is not easy to classify bone diseases, since many of them are of unknown etiology or . their nature . is poorly understood. .. . Hereditary. 1. . Cheurbism. (fibro-osseous lesion).. Ali Al Khader, M.D.. Faculty of Medicine. Al-Balqa’ Applied University. Email: ali.alkhader@bau.edu.jo. Skin tumors…examples. Adnexal tumors. Epidermal tumors. Melanocytic tumors. Dermal tumors. -Squamous cell carcinoma (SCC). Ali Al Khader, M.D.. Faculty of Medicine. Al-Balqa’ Applied University. Email: ali.alkhader@bau.edu.jo. Lecture outline. Paget disease (osteitis . deformans. ). Rickets . & . osteomalacia. Osteopenia & osteoporosis. Radhi. Types of Bone. Intramembranous. Endochondral. (epiphyseal . bone). Intramembranous. Small bones. Immediately from . Mesynchymal. cells. (. Mesynchymal. cells change into bone immediately (. Dr.Dianatpour. Medical Geneticist. Prenatal tests. Invasive. Karyotype. FISH. QF PCR. Array CGH. Noninvasive. NIPT. Karyotyping. Chromosome Preparation . Any tissue with living nucleated cells that undergo division can be used for studying human chromosomes. Most commonly circulating lymphocytes from . Structural. . Classification. of Articulations. Fibrous. – bones brought together by fibers.. Cartilaginous. – bones brought together by cartilage.. Synovial. – bones joined by an enclosed fluid filled cavity.. The most amazing story of bone histology! . Dr. Duran Kala. Functions of Bone. Supports soft tissue. Protects vital organs (cranium, thoracic cavity). Contains bone marrow. Reservoir of Ca++, PO. 4. to maintain constant concentrations in body fluids.