circadian

[sə:'keidiən]

adj.[生]昼夜节律的, 生理节奏的

词形变化：

副词: circadianly |

a.

全天的

circadian

词形变化：

副词: circadianly |

词义辨析：

同义参见:

everyday

circadian[sə:'keidiən]adj.1.■【生物学】(以大约24小时为周期的)生理节奏的，昼夜节律的；24小时作用(或循环)的(指与地球24小时运转联系的新陈代谢、内分泌作用及睡眠等节奏有关的；此种节奏在高速宇宙航行中仍可能维持)

1. (Physiology)(of biological processes) recurring naturally on a twenty-four-hour cycle, even in the absence of light fluctuations
   (生理)（生物作用）昼夜的
   a circadian rhythm.
   生理节奏。
   

1. 1950s: formed irregularly from Latin circa 'about' + dies 'day'
   

circadian

形容词 circadian:

of or relating to biological processes occurring at 24-hour intervals

circadian

■PMA-induced Circadian Gene Expression of rPer1,rDbp in C6 Cells

PMA诱导C6细胞rPer1,rDbp基因的近日节律表达

■Relation of the circadian variation of QT dispersion and heart rate variability.

QT离散度昼夜的变化与心率变异性的联系。

■"Basically, we had a framework for the molecule gears of the circadian clock in mammals," Reppert says, "What we wanted to get was a link to actual behavior.

“基本上，我们曾有一幅哺乳动物生物钟分子运行图，”雷佩特说，“我们曾想要得到的是它与实际行为的联系。”

■Dunlap, J. C. "Molecular Bases for Circadian Clocks." Cell. 96 (1999): 271-90.

“日夜节律的分子基础”。期刊“细胞”第96卷。第271到290页。

■Some inner clocks seem to be set to a timing cycle of about twenty-four hours. These are called Circadian Rhythms.

一些生物钟似乎是按照24小时的周期设定的，这些现象叫做“生理节律”。

■This new study now shows that the insects use an body "circadian" clock as part of their sun compass.

一项最新研究表明它们事实上将自身的生理节奏钟与太阳结合起来判断方向。

■Circadian Rhythm of Blood Pressure: Clinical Significance of Dippers and Non-Dippers

人体血压的昼夜节律:杓型与非杓型血压的临床意义

■The human circadian clock tells us when to sleep and awaken and controls important physiologies involving hormones, body temperature, heart function, and oxygen consumption.

人类昼夜节律生物钟告诉人们什么时间睡觉和清醒，并控制重要的生理机能，例如激素分泌、体温保持、心脏功能和氧耗量。

■The ORF of two circadian gene BMAL1 and CRY1 were cloned from normal human whole brain marathon cDNA and verified with restriction enzyme digestion and DNA sequencing.

从正常人全脑marathon cDNA中克隆到人生物节律基因BMAL1和CRY1的开放读码框架(ORF)，经酶切和测序鉴定与GeneBank数据库中收录的序列基本一致。

■These data indicate that both circadian genes not only function in malignant tissues but also express higher in noncancerous tissues.

以上试验说明，BMAL1和CRY1基因在肝癌及对应的癌旁组织中都有表达，而且在同样的样品中呈现癌旁表达高于肝癌组织的趋势。

■But whether age-related changes in sleep were due to changes in social factors, circadian rhythms, or shifts in an internal "set point" for sleep need or the ability to sleep had remained unresolved.

但年龄相关的睡眠改变是否与社会因素、生理节律改变、控制睡眠需求和睡眠能力的内部调定点偏移等有关还有待进一步研究解决。

■Located in the retina, this center implies that the eyes have their own built in circadian timepiece.

位于视网膜里,该中心暗示眼睛有它们自己的生理节奏时钟构造。

■The endogenous circadian rhythms of melatonin, cortisol, DHEA, and core body temperature are the markers of the human circadian pacemaker.

体内褪黑激素、皮质醇和脱氢异雄甾酮等激素的分泌及核心体温变化的生理节律是人体内在生理起博器的标志;

■Effect of body weight and age on circadian rhythm of serum leptin level in men

体重与年龄对男性血清瘦素水平昼夜节律性的影响

■Your room should be quiet and sufficiently dark, because darkness prompts the pineal gland to produce melatonin, the hormone that regulates circadian rhythms (your 24-hour body clock).

你的卧室应该很安静，而且要足够的黑，因为黑暗能刺激你的松果腺分泌出降黑素，这种激素是来管理你的24小时生理节奏的（就是你的生物钟）。(加菲猫

■Characters of circadian rhythms of blood pressure and heart rate in children

儿童血压和心率近日节律的特征

■Circadian cardiac autonomic nervous activity and average heart rate in patients with congestive Heart failure

充血性心力衰竭病人昼夜心脏自主神经功能与平均心率的研究

■Now we focus on the field of proteomic of red bloom algae, the circadian clock and gene function of microalgae, eg microcystis.We study and do well in the cyanobacteria genetic engineering.

克隆铜绿微囊藻的生物钟基因，研究赤潮藻的分子生物钟与其爆发的关系.建立蓝藻高效表达系统，利用蓝藻受体系统表达药用蛋白基因.

■Keywords Blood pressure;Cerebral infarction;Prognosis;Circadian rhythms;

关键词血压;脑梗塞;预后;昼夜节律;

■The dissertation mainly studied the influences of circadian rhythm system and GABAergic system on hypnotic activity of melatonin.

其中，褪黑素作为内源性催眠物质诱导生理性睡眠和调节睡眠-觉醒节律的作用尤其引人注目。

■endogenous circadian biological clock

内源性昼夜生物钟

■Circadian blood pressure profile

动态血压检测

■Molecular basis for animal circadian clock

动物昼夜生物钟的分子机制

■Research Progress in Circadian Clock Genes of Animals

动物生物钟基因研究进展

■He is also taught to restore his “Circadian rhythms”, the daily physiological cycles that regulate our sleep patterns.

医生还指导他恢复了“生理节奏”，即控制睡眠模式的日常生理周期。

■Keywords essential hypertension;circadian rhythm;indapamide;

原发性高血压;昼夜节律;吲哒帕胺;

■The diurnal disfribution of ventricular response in patients with AF showed a regular circadian variation,The trough of heart rate were from 4Am to 5Am and peak at 10Am to 11Am.

发现房颤患者心室反应有其一定的昼夜节律 ,在凌晨 4时至 5时达谷值 ,于上午 10时至 11时达峰值。

■Besides,there are somewhat different between male and female of Niviventer confucianus in circadian activity rhythm,too.

另外，社鼠雌、雄两性间活动节律也有所不同。

■Effects on the circadian rhythm of Shenyangxu rat by using Youguiyin at the selected time

右归饮择时使用对肾阳虚大鼠生长激素昼夜节律的影响

■Sleeping late on weekends can also disruptour circadian rhythm.

周未迟睡也会打乱人体的日夜周期。

■Sleeping late on weekends can also disrupt your circadian rhythm.

周末迟睡也会打乱人体的日夜周期。

■WT5BZ]The hypothalamic suprachiasmatic nucleus (SCN) is a most important circadian pacemaker, which controls physiological and behaviour rhythm in mammals.

哺乳动物下丘脑视交叉上核(SCN)是昼夜节律最主要的起搏器,控制着机体的生理和行为的节律。

■The hypothalamic suprachiasmatic nucleus (SCN) is a most important circadian pacemaker, which controls physiological and behaviour rhythm in mammals.

哺乳动物下丘脑视交叉上核(SCN)是昼夜节律最主要的起搏器，控制着机体的生理和行为的节律。

■This circadian system in mammals is composed of a master pacemaker in the suprachiasmatic nucleus (SCN) of the hypothalamus and slave clocks in most peripheral cell types.

哺乳动物中的昼夜节律系统由位于下丘脑SCN核内的主钟和位于多数外周细胞中的子钟组成。

■Optimal Internal Noise for Mammalian Circadian Oscillator

哺乳动物生理振荡中的最佳内噪声效应

■Research Advances on Mammalian Circadian Clock-Related Genes

哺乳动物近日节律相关基因的研究进展

■A Preliminary Observation on Behavior and Activity Circadian Rhythms of Muntiacus reevesi in Captivity

圈养黄麂春季行为及活动规律的初步观察

■In DD or LD condition, the circadian expressions of NAT were similar in pattern to those of Clock in the pineal gland (P > 0.05).

在DD或LD光制下,Clock和NAT之间显示相似的节律性表达(P>.05)。

■In DD or LD condition, both of Clock and NAT mRNA levels in the pineal gland showed robust circadian oscillation (P < 0.05) with the peak at the subjective night or at nighttime.

在DD或LD光制下,松果体Clock和NAT基因mRNA的表达均呈现夜高昼低的节律性振荡(P<0.05)。

■Circadian clocks in liing creatures usually operate on a time cycle that aries between 22 and 26 hours in artificially constant enironments.

在人工恒定环境下，活体生物的昼夜节律生物钟通常运行的时间周期在22到26小时不等。

■In the fruit fly, the circadian function appears important for regulating periods of actiity, analogous to the human sleep-wake cycle.

在果蝇上，昼夜节律机能表现出对调节活动时间的重要性，可模拟出人类睡眠-觉醒周期。

■Under normal circumstances, it is tightly regulated, with circadian variations over a range that usually does not exceed 1oC and a mean value of 37oC (the normal “set point”).

在正常体温环境下，这被严密控制着，在一个不超过1度和平均为37（正常调定点）的生理节奏范围变化

■a scotophil phase in the circadian rhythm.

在生理节律中喜暗阶段的

■In ealuating response to therapy, actigraphy has proen to be a useful outcome measure in patients with circadian rhythm disorders and insomnia.

在睡眠节律失调和失眠症患者的疗效评估当中，腕动仪已证实是一种有效的最终测量方法。

■But the astronauts were exposed to abnormal environment such as microgravity, radiation, isolation, confinement, and misalignment of circadian rhythm during space flight.

在航天飞行中，航天员受到微重力、辐射、昼夜节律变化、隔离等异常环境因素的影响。

■By exposing yourself to sunlight (particularly in the afternoon), you help prevent midday sleepiness and reinforce your body's circadian rhythms.

在阳光（尤其下午）下活动，有助于防止中午瞌睡，强化身体的生理节奏。

■The circadian rhythm of death based on data from a Chinese family tree

基于家谱资料的死亡人数构成比的日节律

■Working night shifts disrupts the circadian system, alters sleep patterns, induces chronic sleep deprivation, and suppresses the production of melatonin (an antioxidant and tumour suppressor).

夜班工作干扰了心血管系统，改变了睡眠模式，诱发了慢性睡眠剥夺并抑制了腿黑激素的产生（一种抗氧化剂和肿瘤抑制剂）。

■Keywords Nocturnal asthma;PEF;Respiratory drive;Circadian rhythm;

夜间哮喘;呼气流速峰值;呼吸驱动;昼夜节律;

■Study on circadian rhythm of PEF and respiratory drive in nocturnal asthma

夜间哮喘呼气流速峰值及呼吸驱动昼夜节律的研究