Search results
Results From The WOW.Com Content Network
Arcus senilis; Other names: arcus adiposus, arcus juvenilis, arcus lipoides corneae, arcus cornealis: Arcus senilis deposits tend to start at 6 and 12 o'clock and progress until becoming completely circumferential. The thin clear section separating the arcus from the limbus is known as the clear interval of Vogt. Specialty: Ophthalmology Symptoms
Some causes or potential risk factors denoting a higher chance of developing childhood arthritis have been identified. [7] However, similar to other autoimmune diseases, the exact cause or mechanism for development is still largely unknown and additional associations are continuously being researched and discovered.
The genesis of the syndrome is unknown, however it has been suggested that inflammation of the arcus tendon is the possible cause of levator ani syndrome. [5] Proctalgia fugax and levator ani syndrome have not been found to be of psychosomatic origin, although stressful events may trigger attacks. [ 3 ]
They propose that aged basal cells contain lipofuscin bodies that cannot be removed and might promote the aging of neighboring cells, generating a feedback loop that causes more and more neighbor cells to become aged and contain lipofuscins. [13] Such cells might then aggregate into a spot with an irregular shape. [13]
(rare cases) soft-tissue sarcoma causes: Undifferentiated pleomorphic sarcoma (UPS) is a form of soft tissue cancer, which mainly targets the arms and legs. It is undifferentiated as under a microscope, the tumour cells appear different to the body cells in which it develops, and is characterised as pleomorphic because it takes many different ...
The most common cause of rickets is a vitamin D deficiency, although hereditary genetic forms also exist. [2] This can result from eating a diet without enough vitamin D , dark skin, too little sun exposure, exclusive breastfeeding without vitamin D supplementation, celiac disease , and certain genetic conditions .
Any condition that causes the eyes to itch can contribute to darker circles due to rubbing or scratching the skin around them. Hay fever sufferers in particular will notice under-eye "smudges" during the height of the allergy season. Atopy can lead to frequent rubbing of the eyes, leading to local inflammation and increased pigmentation. [4]
Acromesomelic dysplasia is a rare skeletal disorder that causes abnormal bone and cartilage development, leading to shortening of the forearms, lower legs, hands, feet, fingers, and toes. [2] Five different genetic mutations have been implicated in the disorder.