Share this entry

Share this page

suprachiasmatic nucleus

Saltos de línea: supra|chi¦as¦mat¦ic nu|cleus
Pronunciación: /ˌs(j)uːprəˌkʌɪəzˈmatɪk
 
/

Definición de suprachiasmatic nucleus en inglés:

sustantivo

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.
Example sentences
  • 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.
  • 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.

Definición de suprachiasmatic nucleus en:

Share this entry

Share this page

 

¿Qué te llama la atención de esta palabra o frase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Obtenga más de Oxford Dictionaries

Suscribirse para eliminar anuncios y acceder a los recursos premium

Palabra del día orthoepy
Pronunciación: ˈɔːθəʊɛpi
noun
the correct or accepted pronunciation of words