| 영문 | cell-mediated immunity | 한글 | 세포매개면역 |
|---|---|---|---|
| 설명 | 면역이란 신체를 외부의 물질로부터 보호하는 행위를 말한다. 여기에는 특이적 면역과 비특이적 면역의 두 가지가 있다. 비특이적 면역이라함은 특정한 물질에 관계하는 면역이 아니라 특정 대상이 없이 모든 외부 물체에 작용할 수 있는 면역을 말한다. 여기에는 소변의 흐름, 눈물의 흐름, 피부의 비투과성 등의 기계적인 것도 포함되고 피속에 돌아다니는 세포 중에서 비특이적으로 외부의 물질을 포식하는 세포들(예를 들면 큰포식세포(macrophage)의 활동도 포함이 된다. 세포매개면역이란 특이한 물질을 감지할 수 있는 세포를 생성하게 하여 그것으로 하여금 그 물질을 포식하게 하는 것을 말한다. |
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| 영문 | nerve cell | 한글 | 신경세포 |
|---|---|---|---|
| 설명 | 신경세포는 올바른 신경전달을 위한 각 부분별로 나뉘어져 있다. 신경세포에서는 전해져오는 자극을 전기적인 신호로 바뀌어 보내거나 받게 된다. 이런 전기적인 현상은 각 신경세포내에 존재하는 각 이온채널(ion channel: ion이란 나트륨, 칼륨 등을 지칭하는 말들로써, 이들이 세포막에 의해 나뉘어질 때 생기는 전압차가 전기적 자극을 일으키고 유지하는데 결정적인 역할을 한다)들의 작용에 의해 이루어지게 된다. |
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| 영문 | glia cell | 한글 | 아교세포 |
|---|---|---|---|
| 설명 | 신경세포 사이에서 그물구조를 이루며 이를 지지하는 조직. 신경아교세포는 신경모세포와 갈라진 아교모세포가 다시 여러 형태로 분화-성장한 것이다. 뇌실이나 척수중심관의 벽을 덮고 원주상 또는 입방형이며, 초기에는 유리면에 섬모가 있다. 대형세포는 별뇌실막세포는 아교세포라고 하며, 신경세포나 신경섬유 사이에 산재한다. 그 외에 희소돌기아교세포도 포함된다. |
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| 영문 | reserve cell | 한글 | 예비세포 |
|---|---|---|---|
| 설명 | 일반적으로 상피조직에서 이미 있던 상피세포가 손상을 받아 사멸하면 매꿔지는 그 밑에 있는 미분화세포 예를 들면, 기관지 내표면을 덮는 중층 원주 상피의 기저에 있는 작은 미분화 상피 세포. |
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| 영문 | stem cell | 한글 | 줄기세포, 간세포 |
|---|---|---|---|
| 설명 | 자기 복제를 하여 자신을 존속시키면서 한편으로는 증식과 분화를 하여 새로운 세포를 형성하는 세포로서 조혈줄기세포가 대표적이다. 조혈줄기세포는 골수에 있는 세포로서 모든 혈구세포가 여기에서 분화되어 발생한다. |
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| sexual life | In psychiatry and psychoanalysis, the specifically erotic or sexual interests, fantasies, inclinations, and conduct of the patient. (05 Mar 2000) |
|---|---|
| direct life cycle | <epidemiology> A life cycle in which a parasite is transmitted directly from one host to the next without an intermediate host or vector of another species. (05 Dec 1998) |
| drug half-life | The amount of time it takes for one-half of an administered drug to be lost through biological processes (metabolism and elimination). (27 Sep 1997) |
| immediately dangerous to life concentration | <radiobiology> This is a regulatory value defined as the maximum exposure concentration in the workplace from which one could escape within 30 minutes without suffering symptoms which would interfere with escaping and without suffering any irreversible health effects. (04 Nov 1997) |
| quality adjusted life year | A year of life adjusted for its quality or its value. A year in perfect health is considered equal to 1.0 qaly. The value of a year in ill health would be discounted. For example, a year bedridden might have a value equal to 0.5 qaly. A measurement index derived from a modification of standard life-table procedures and designed to take account of the quality as well as the duration of survival. This index can be used in assessing the outcome of health care procedures or services. (12 Jul 2000) |
| quality of life | Refers to the level of comfort, enjoyment, ability to pursue daily activities. Often used in discussions of treatment options. (16 Dec 1997) |
| indirect life cycle | <epidemiology> A life cycle which requires one or more intermediate hosts before the definitive host species is reinfected. Compare direct, nondirect. (05 Dec 1998) |
| insurance, life | Insurance providing for payment of a stipulated sum to a designated beneficiary upon death of the insured. (12 Dec 1998) |
| economic value of life | The evaluation of the monetary value of a life lost or a life saved. (12 Dec 1998) |
| effective half-life | <radiobiology> Time required for a radioactive substance contained in a biological system (such as a person or an animal) to reduce its radioactivity by half, as a combination result of radioactive decay and biological elimination from the system. (09 Oct 1997) |
| elimination half-life | <pharmacology> The time it takes for the body to eliminate or breakdown half of a dose of a pharmacologic agent. (09 Oct 1997) |
| expectation of life | The average number of years of life an individual of a given age is expected to live if current mortality rates continue to apply; a statistical abstraction based on existing age-specific death rates. Expectation of life at age x, The average number of additional years a person aged x would live if current mortality trends continue to apply, based on the age-specific death rates for a given year. Expectation of life at birth, Average number of years of life a newborn baby can be expected to live if current mortality trends continue. (05 Mar 2000) |
| years of potential life lost | Measure of the relative impact of various diseases and lethal forces on society, computed by estimating the years that people would have lived if they had not died prematurely from injury, cancer, heart disease, etc. (05 Mar 2000) |
| levelised life-cycle cost | The present value of the cost of a resource, including capital, financing and operating costs, expressed as a stream of equal annual payments. This stream of payments can be converted to a unit cost of energy by dividing the annual payment amount by the annual kilowatt-hours produced or saved. By levelizing costs, resources with different lifetimes and generating capabilities can be compared. (05 Dec 1998) |
| life | Origin: AS. Lf; akin to D. Lijf body, G. Leib body, MHG. Lp life, body, OHG. Lb life, Icel. Lf, life, body, Sw. Lif, Dan. Liv, and E. Live, v. See Live, and cf. Alive. 1. The state of being which begins with generation, birth, or germination, and ends with death; also, the time during which this state continues; that state of an animal or plant in which all or any of its organs are capable of performing all or any of their functions; used of all animal and vegetable organisms. 2. Of human being: The union of the soul and body; also, the duration of their union; sometimes, the deathless quality or existence of the soul; as, man is a creature having an immortal life. "She shows a body rather than a life." (Shak) 3. <philosophy> The potential principle, or force, by which the organs of animals and plants are started and continued in the performance of their several and cooperative functions; the vital force, whether regarded as physical or spiritual. 4. Figuratively: The potential or animating principle, also, the period of duration, of anything that is conceived of as resembling a natural organism in structure or functions; as, the life of a state, a machine, or a book; authority is the life of government. 5. A certain way or manner of living with respect to conditions, circumstances, character, conduct, occupation, etc.; hence, human affairs; also, lives, considered collectively, as a distinct class or type; as, low life; a good or evil life; the life of Indians, or of miners. "That which before us lies in daily life." (Milton) "By experience of life abroad in the world." (Ascham) "Lives of great men all remind us We can make our lives sublime." (Longfellow) "'T is from high life high characters are drawn." (Pope) 6. Animation; spirit; vivacity; vigor; energy. "No notion of life and fire in fancy and in words." (Felton) "That gives thy gestures grace and life." (Wordsworth) 7. That which imparts or excites spirit or vigor; that upon which enjoyment or success depends; as, he was the life of the company, or of the enterprise. 8. The living or actual form, person, thing, or state; as, a picture or a description from, the life. 9. A person; a living being, usually a human being; as, many lives were sacrificed. 10. The system of animal nature; animals in general, or considered collectively. "Full nature swarms with life." (Thomson) 11. An essential constituent of life, especially: the blood. "The words that I speak unto you . . . They are life." (John vi. 63) "The warm life came issuing through the wound." (Pope) 12. A history of the acts and events of a life; a biography; as, Johnson wrote the life of Milton. 13. Enjoyment in the right use of the powers; especially, a spiritual existence; happiness in the favor of God; heavenly felicity. 14. Something dear to one as one's existence; a darling; used as a term of endearment. Life forms the first part of many compounds, for the most part of obvious meaning; as, life-giving, life-sustaining, etc. Life annuity, an annuity payable during one's life. Life arrow, Life rocket, Life shot, an arrow, rocket, or shot, for carrying an attached line to a vessel in distress in order to save life. Life assurance. See Life insurance, below. Life buoy. See Buoy. Life car, a water-tight boat or box, traveling on a line from a wrecked vessel to the shore. In it person are hauled through the waves and surf. Life drop, a drop of vital blood. Life estate A line along any part of a vessel for the security of sailors. A line attached to a life boat, or to any life saving apparatus, to be grasped by a person in the water. Life rate, rate of premium for insuring a life. Life rent, the rent of a life estate; rent or property to which one is entitled during one's life. Life school, a school for artists in which they model, paint, or draw from living models. Lifetable, a table showing the probability of life at different ages. To lose one's life, to die. To seek the life of, to seek to kill. To the life, so as closely to resemble the living person or the subject; as, the portrait was drawn to the life. Source: Websters Dictionary (01 Mar 1998) |