| 영문 | optic disk | 한글 | 시신경유두 |
|---|---|---|---|
| 설명 | 망막의 구조를 직상검안경(망막을 보기 위해 고안된 검사기구)으로 보면 다음과 같다. 망막에 혈액을 공급하는 망막동맥(retinal artery)과, 다시 혈액을 회수하는 망막정맥(retinal vein)은 다같이 시각신경(optic nerve)과 함께 시각신경구멍(optic foramen)을 통해 망막까지 이르게 된다. 즉, 이들 망막 동, 정맥은 시각신경속에 끼워진 채 망막까지 이르게 된다. 따라서 이들 망막 동, 정맥 주위에 존재하는 시각신경유두는 바로 시각신경의 일부분을 말한다. 빛의 자극을 이해할 수 있는 신호체계로 바꾸는 시각세포는 받아들인 자극을 시각신경에서 분지한 수많은 신경절세포(ganglion cell: 신경전달을 모아서 보다 큰 전달단위로 전해주는 역할을 하며, 망막내에 위치한다)로 전달하게 되고, 이들 신경절세포는 다시 이런 자극들을 모아 시각신경유두로 보내게 되며, 시각신경유두에서부터 신경전달은 뇌까지 진행한다.  |
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| 영문 | intervertebral disk | 한글 | 척추원반, 추간판 |
|---|---|---|---|
| 설명 | 척추동물에서 척주의 척추뼈 사이에 있는 원반처럼 생긴 척추뼈사이조직. 제2목뼈 이하 제5허리뼈와 엉치뼈바닥 사이에 있으며, 사람은 보통 23개이다. 개개의 원반은 중앙부가 가장 두껍다. 원반의 가쪽부는 결합조직과 섬유연골로 되어 있는 섬유테가 있고, 내부의 중앙은 연골세포군과 부드러운 섬유연골로 되어 있는 섬유테가 있고, 내부의 중앙은 연골세포군과 부드러운 섬유연골로 된 속질핵이 있으며, 여기에는 다량의 수분이 함유되어 있다. 척주의 부위에 따라서 원반의 두께가 다른데 등뼈가 가장 얇다. 이것은 그 구조상 강한 탄력성과 팽창성을 가지고 있으며, 척주의 굴신운동이나 척주를 중심으로 하는 몸의 지지에 중요한 역할을 하고 있다. 이러한 척추원반이 외상을 받아서 섬유륜의 퇴행변성을 일으켜 속질핵이 헤르니아를 일으킨 것을 척추원반탈출증이라고 한다. 척주의 운동은 이 척추원반의 탄력성과 척주 뒷부분의 척추관절에 의하여 가능하게 된다. |
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| MC | mass casualties; mast cell; Master of Surgery [Lat. Magister Chirurgiae]; maximum concentration; Med... |
|---|---|
| Ad | adenovirus; adrenal; anisotropic disk |
| CD | cadaver donor; canine distemper; canine dose; carbohydrate dehydratase; carbon dioxide; cardiac dise... |
| CDR | calcium-dependent regulator; clinical dementia rating; complementary determining region; computerize... |
| CD-ROM | compact disk-read only memory |
| C/D | Cup/disk |
|---|---|
| MCC | Merkel Cell Carcinoma |
| MC | Merkel cell |
| IVD | interactive video disk |
| Merkel's tactile disk | A specialised tactile sensory nerve ending in the epidermis, characterised by a terminal cuplike expansion of an intraepidermal axon in contact with the base of a single modified keratinocyte. Synonym: meniscus tactus, Merkel's corpuscle, Merkel's tactile cell, Merkel's tactile disk, tactile disk. (05 Mar 2000) |
|---|---|
| carcinoma, merkel cell | A carcinoma arising from merkel cells located in the basal layer of the epidermis and occurring most commonly as a primary neuroendocrine carcinoma of the skin. Merkel cells are tactile cells of neuroectodermal origin and histologically show neurosecretory granules. The skin of the head and neck are a common site of merkel cell carcinoma, occurring generally in elderly patients. (12 Dec 1998) |
| merkel cells | Nondendritic, nonkeratinocytic epithelial clear cells normally found in the epidermis and dermis of mammals and humans. They are believed to be of neuroendocrine origin and function as a specific slowly adapting sensory touch receptor. The merkel cell was first described by friedrich sigmund merkel, german anatomist in 1875. (12 Dec 1998) |
| Merkel cell tumour | A rare malignant cutaneous tumour seen in sun-exposed skin of elderly patients composed of dermal nodules of small round cells with scanty cytoplasm in a trabecular pattern; the tumour cells contain cytoplasmic dense core granules resembling neurosecretory granules seen in Merkel cells. Synonym: primary neuroendocrine carcinoma of the skin, trabecular carcinoma. (05 Mar 2000) |
| Merkel, Friedrich | <person> German anatomist and physiologist, 1845-1919. See: Merkel cell tumour, Merkel's corpuscle, Merkel's tactile cell, Merkel's tactile disk. (05 Mar 2000) |
| Merkel, Friedrich Sigmund | <person> Was Professor of Anatomy successively at Rostock, Konigsberg and Gottingen. Merkel's Corpuscles - one form of sensory "tactile" nerve ending. Lived: 1845-1919. B. Nuremburg, Apr 5th, 1845, d. May 28th, 1919. (05 Dec 1998) |
| Merkel, Karl | <person> German anatomist and laryngologist, 1812-1876. See: Merkel's filtrum ventriculi, Merkel's fossa, Merkel's muscle. (05 Mar 2000) |
| Merkel's corpuscle | A specialised tactile sensory nerve ending in the epidermis, characterised by a terminal cuplike expansion of an intraepidermal axon in contact with the base of a single modified keratinocyte. Synonym: meniscus tactus, Merkel's corpuscle, Merkel's tactile cell, Merkel's tactile disk, tactile disk. (05 Mar 2000) |
| Merkel's filtrum ventriculi | A groove between the two prominences, in each lateral wall of the vestibule of the larynx, formed by the cuneiform and the arytenoid cartilages. Synonym: Merkel's filtrum ventriculi. (05 Mar 2000) |
| Merkel's fossa | A groove in the posterolateral wall of the vestibule of the larynx between the corniculate and cuneiform cartilages. (05 Mar 2000) |
| Merkel's muscle | <anatomy> A fasciculus from the posterior cricoarytenoid muscle inserted into the inferior horn of the thyroid cartilage. Synonym: musculus ceratocricoideus, Merkel's muscle. (05 Mar 2000) |
| Merkel's tactile cell | A specialised tactile sensory nerve ending in the epidermis, characterised by a terminal cuplike expansion of an intraepidermal axon in contact with the base of a single modified keratinocyte. Synonym: meniscus tactus, Merkel's corpuscle, Merkel's tactile cell, Merkel's tactile disk, tactile disk. (05 Mar 2000) |
| acromioclavicular disk | The articular disk of fibrocartilage usually found between the acromial end of the clavicle and the medial border of the acromion. Synonym: discus articularis acromioclavicularis, acromioclavicular disk, Weitbrecht's cartilage. (05 Mar 2000) |
| Airy disk | <microscopy> The image of a bright point object as focused by a lens system. With monochromatic light, it consists of a central point of maximum intensity surrounded by alternate circles of light and darkness caused by the reinforcement and interference of diffracted rays. The light areas are called maxima and the dark areas minima. The distribution of light from the centre to the outer areas of the figure was investigated mathematically by Sir George Airy. The diffraction disk forms a basis for determining the resolving power of an ideal lens system. The diameter of the disk depends largely on the aperture of the lens. The diffraction of light causing the Airy disk is a factor limiting the resolution of a well corrected optical system. The bright disk of light (surrounded by alternating dark and bright diffraction rings)that is formed by a perfect diffraction-limited lens, focusing an image of an infinitely small source of light. For a minute absorbing spot, the diffraction pattern is a dark Airy disk surrounded by brighter and darker diffraction rings. Since the Airy disk is the smallest unit that makes up the image of a luminous or absorbing object (formed by a properly corrected microscope lens in focus), the radius of the disk determines the limit of resolution of the microscope. (05 Aug 1998) |
| articular disk | A plate or ring of fibrocartilage attached to the joint capsule and separating the articular surfaces of the bones for a varying distance, sometimes completely; it serves to adapt two articular surfaces that are not entirely congruent. Synonym: discus articularis, articular disk, fibrocartilago interarticularis, fibroplate, interarticular fibrocartilage, intra-articular cartilage. (05 Mar 2000) |
제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
|---|
제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
|---|