| 영문 | retina | 한글 | 망막 |
|---|---|---|---|
| 설명 | 빛의 수용기로서, 두께 0.5~1mm의 그물모양구조를 이루며, 눈알의 신경부에 해당한다. 외측에 색소상피층, 시각세포(원뿔세포, 막대세포)의 층, 쌍극세포층, 신경절세포층, 가장 안쪽에는 신경섬유층이 있다. 눈에 들어온 빛은 신경섬유층, 신경절세포층, 쌍극세포층을 통과해 시각세포에 도달하며, 이곳에서 감광색소와 광화학적변화를 일으킨다. 이 변화를 쌍극세포로 전달하고 다시 중추로 전달하여 빛으로 감각된다. 망막의 부위에 따라 시각세포 분포가 달라, 황반이라고 불리는 부위에서는 원뿔세포만이 존재하며, 그 주위는 막대체세포가 많다. 시각신경이 들어오는 부위인 유두부에는 시각세포가 결여되어, 빛을 느끼지 않는다. 이것이 맹점이다. 망막 후부의 중앙에는 가장 예민한 황반이 있고, 황반의 중앙에는 막대시각세포가 없는 중심오목이 있다. 중심오목과 안쪽 약 0.25cm에는 시각신경 및 망막중심동맥이 들어가는 점이 있다. 이곳에서 망막은 불완전하며 맹점을 형성한다. |
||
| CRAO | Central Retina Artery Occlusion |
|---|---|
| NR | do not repeat [Lat. non repetatur]; nerve root; neural retina; neutral red; noise reduction; nonreac... |
| RET | reticular; reticulocyte; retina; retention; retained; right esotropia |
| CREST Syndrome | 1. Calcinosis cutis 2. Raynaud's phenomenon 3. Esophageal ... |
| CRST Syndrome | 1. Calcinosis 2. Raynaud's Phenomenon 3. Sclerodactyly ... |
| ATM | Ataxia Telangiectasia Mutated |
|---|---|
| HHT | Hereditary Haemorrhagic Telangiectasia |
| HHT1 | Hereditary Haemorrhagic Telangiectasia Type 1 |
| ART | Arm-retina time |
| HRF | Heidelberg Retina Flowmeter |
telangiectasis
| ataxia-telangiectasia | <neurology, oncology> An intriguing autosomal recessive disorder in which a single defective gene produces myriad and protean effects, presents with cerebellar ataxia, telangiectasias in the eyes and skin, immune deficiency and autoimmune phenomena, propensity for lymphoid and other malignancies, excessive sensitivity to ionising radiation, increased serum alpha-fetoprotein concentrations and a tendency for chromosome breakage and translocation. A syndrome characterised by choreoathetosis beginning in childhood, progressive cerebellar ataxia, telangiectasis of conjunctiva and skin, slowly progressive mental deterioration and increasing cerebellar degeneration. There is evidence that heterozygotes show an increased susceptibility to malignancy as well, with breast cancer often cited. The gene was localised by linkage studies to chromosome 11q22-23, and recently cloned, revealing it to be homologous to the PI-3 kinase family so that prenatal diagnosis by RFLP analysis is possible. Other related genes are suspected to exist. Diagnosis in affected patients is made on clinical grounds, by detection of high concentrations of alpha-fetoprotein, and by a specialised cell culture assay for radiosensitivity and atypical radioresistant DNA synthesis. These cell culture methods are also used for prenatal diagnosis. A characteristic autopsy feature of ataxia-telangiectasia is the presence of empty basket cells in the cerebellum which results from degeneration of the previously contained Purkinje cells. Inheritance: autosomal recessive. (16 Dec 1998) |
|---|---|
| ataxia telangiectasia syndrome | ataxia telangiectasia |
| cephalo-oculocutaneous telangiectasia | An angioma involving the skin of the face, orbit, meninges, and brain. See: Sturge-Weber syndrome. (05 Mar 2000) |
| primary telangiectasia | angioma serpiginosum |
| hereditary haemorrhagic telangiectasia | <gastroenterology> An inherited disease characterised by thin blood vessel walls in the nose, skin and gastrointestinal tract. This condition ins associated with a high risk of bleeding complications. Inheritance: autosomal dominant. (27 Sep 1997) |
| secondary telangiectasia | Telangiectasia related to a known cause of prolonged dermal vascular dilatation such as sunlight, varicose veins, and connective tissue diseases; often associated with atrophy of the skin. (05 Mar 2000) |
| spider telangiectasia | spider angioma |
| telangiectasia | <clinical sign> A permanent dilation of preexisting blood vessels (capillaries, arterioles, venules), creating small focal red lesions, usually in the skin or mucous membranes. Also called telangiectasis. (16 Dec 1997) |
| telangiectasia, hereditary haemorrhagic | An autosomal dominant vascular anomaly characterised by the presence of multiple small telangiectases of the skin, mucous membranes, gastrointestinal tract, and other organs, associated with recurrent episodes of bleeding from affected sites and gross or occult melena. (12 Dec 1998) |
| telangiectasia lymphatica | Dilatation of the lymphatic vessels. (12 Dec 1998) |
| telangiectasia macularis eruptiva perstans | A disseminated eruption of telangiectases associated with erythematous and edematous macules. (05 Mar 2000) |
| telangiectasia verrucosa | A discrete, pink to red telangiectasia having a tendency to undergo secondary epithelial changes, including acanthosis and hyperkeratosis. An underlying vascular abnormality is present in many cases. The term angiokeratoma is applied to a number of quite distinct conditions which share a common clinical presentation with asymptomatic hyperkeratotic vascular skin lesions and a histological combination of superficial dermal vascular ectasia. (12 Dec 1998) |
| essential telangiectasia | Localised capillary dilation of undetermined origin. Synonym: angioma serpiginosum. (05 Mar 2000) |
| ganglion cells of retina | The nerve cell's of the retina whose central processes (fibres) form the optic nerve; their peripheral processes synapse with the bipolar cell's and through them with the rod and cone cell's; these cell bodies are round or flask-shaped and vary considerably in size. (05 Mar 2000) |
| ganglionic layer of retina | The intermediate layer of neurons in the retina composed largely of bipolar cells. Synonym: internal nuclear layer of retina, stratum ganglionare retinae, stratum nucleare internum retinae. (05 Mar 2000) |
제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
|---|
제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
|---|