Definition of suprachiasmatic nucleus in English:

suprachiasmatic nucleus

nounˌs(j)uːprəˌkʌɪəzˈmatɪkˌso͞oprəˌkīəzˌmadik ˈn(y)o͞oklēəs

Anatomy

Each of a pair of small nuclei in the hypothalamus of the brain, above the optic chiasma, thought to be concerned with the regulation of physiological circadian rhythms.
〔剖〕交叉上核
Example sentencesExamples
- The clock, which is located in the brain in the suprachiasmatic nucleus of the hypothalamus, programs daily cyclic changes in the body, thereby creating two distinct periods, a biological day and a biological night.
- In mammals it responds indirectly to light because it receives messages along fibres from nerve cells of the suprachiasmatic nucleus of the hypothalamus, which themselves receive signals from the eye via fibres of the optic nerve.
- A clump of nerve cells, known as the suprachiasmatic nucleus, regulates the brain's internal clock by measuring the amount of light the eyes register.
- Within mammals a region of the hypothalamus known as the suprachiasmatic nucleus acts as a central clock regulating rhythms throughout the rest of the body.
- The cycles themselves are controlled mainly by a region within the brain's hypothalamus known as the suprachiasmatic nucleus.

Definition of suprachiasmatic nucleus in US English:

suprachiasmatic nucleus

nounˌso͞oprəˌkīəzˌmadik ˈn(y)o͞oklēəs

Anatomy

Each of a pair of small nuclei in the hypothalamus of the brain, above the optic chiasma, thought to be concerned with the regulation of physiological circadian rhythms.
〔剖〕交叉上核
Example sentencesExamples
- The clock, which is located in the brain in the suprachiasmatic nucleus of the hypothalamus, programs daily cyclic changes in the body, thereby creating two distinct periods, a biological day and a biological night.
- Within mammals a region of the hypothalamus known as the suprachiasmatic nucleus acts as a central clock regulating rhythms throughout the rest of the body.
- In mammals it responds indirectly to light because it receives messages along fibres from nerve cells of the suprachiasmatic nucleus of the hypothalamus, which themselves receive signals from the eye via fibres of the optic nerve.
- A clump of nerve cells, known as the suprachiasmatic nucleus, regulates the brain's internal clock by measuring the amount of light the eyes register.
- The cycles themselves are controlled mainly by a region within the brain's hypothalamus known as the suprachiasmatic nucleus.

单词	suprachiasmatic nucleus
释义	Definition of suprachiasmatic nucleus in English: suprachiasmatic nucleus nounˌs(j)uːprəˌkʌɪəzˈmatɪkˌso͞oprəˌkīəzˌmadik ˈn(y)o͞oklēəs Anatomy Each of a pair of small nuclei in the hypothalamus of the brain, above the optic chiasma, thought to be concerned with the regulation of physiological circadian rhythms. 〔剖〕交叉上核 Example sentencesExamples The clock, which is located in the brain in the suprachiasmatic nucleus of the hypothalamus, programs daily cyclic changes in the body, thereby creating two distinct periods, a biological day and a biological night. In mammals it responds indirectly to light because it receives messages along fibres from nerve cells of the suprachiasmatic nucleus of the hypothalamus, which themselves receive signals from the eye via fibres of the optic nerve. A clump of nerve cells, known as the suprachiasmatic nucleus, regulates the brain's internal clock by measuring the amount of light the eyes register. Within mammals a region of the hypothalamus known as the suprachiasmatic nucleus acts as a central clock regulating rhythms throughout the rest of the body. The cycles themselves are controlled mainly by a region within the brain's hypothalamus known as the suprachiasmatic nucleus. Definition of suprachiasmatic nucleus in US English: suprachiasmatic nucleus nounˌso͞oprəˌkīəzˌmadik ˈn(y)o͞oklēəs Anatomy Each of a pair of small nuclei in the hypothalamus of the brain, above the optic chiasma, thought to be concerned with the regulation of physiological circadian rhythms. 〔剖〕交叉上核 Example sentencesExamples The clock, which is located in the brain in the suprachiasmatic nucleus of the hypothalamus, programs daily cyclic changes in the body, thereby creating two distinct periods, a biological day and a biological night. Within mammals a region of the hypothalamus known as the suprachiasmatic nucleus acts as a central clock regulating rhythms throughout the rest of the body. In mammals it responds indirectly to light because it receives messages along fibres from nerve cells of the suprachiasmatic nucleus of the hypothalamus, which themselves receive signals from the eye via fibres of the optic nerve. A clump of nerve cells, known as the suprachiasmatic nucleus, regulates the brain's internal clock by measuring the amount of light the eyes register. The cycles themselves are controlled mainly by a region within the brain's hypothalamus known as the suprachiasmatic nucleus.
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