The connecting ridge between the two halves of the medulla oblongata or the tegmentum of the midbrain.
Used in a Sentence
raphe
Definitions, parts of speech, synonyms, and sentence examples for raphe.
Editorial note
Like other neurotransmitters, serotonin is specifically synthesized in a specific brain region, the raphe nuclei.
Examples6
Definitions4
Parts of speech1
Quick take
The connecting ridge between the two halves of the medulla oblongata or the tegmentum of the midbrain.
Meaning at a glance
The clearest senses and uses of raphe gathered in one view.
(botany) A longitudinal median groove in the valve of many diatoms.
(anatomy) A seamlike ridge or furrow on an organ, bodily tissue, or other structure, typically marking the line where two halves or sections fused in the embryo.
Definitions
Core meanings and parts of speech for raphe.
noun
The connecting ridge between the two halves of the medulla oblongata or the tegmentum of the midbrain.
noun
(botany) A longitudinal median groove in the valve of many diatoms.
noun
(anatomy) A seamlike ridge or furrow on an organ, bodily tissue, or other structure, typically marking the line where two halves or sections fused in the embryo.
noun
(botany) The part of the stalk of an anatropous ovary that is united in growth to the outside covering and forms a ridge along the body of the ovule.
Example sentences
Like other neurotransmitters, serotonin is specifically synthesized in a specific brain region, the raphe nuclei.
Nordrenergic Locus Coeruleus, Serotonergic Raphe Nuclei, Dopaminergic Substantia Nigra & Ventral tegmental Area, and Cholinergic Basal Forebrain & Brain stem complexes These are the 4 pathways.
Maybe they disproved a particular version of learned helplessness, regarding this dorsal raphe nucleus, but it seems clear that that is not the end of the story.
A single-photon emission tomography study6 found increased serotonin transporter availability in the thalamus, but not in the raphe nuclei, in patients with SAD relative to healthy control individuals.
It is the default, unlearned response to prolonged aversive events and it is mediated by the serotonergic activity of the dorsal raphe nucleus, which in turn inhibits escape.
And it’s only in situations where we think that investment of resources is worthwhile that part of our prefrontal cortex tells the dorsal raphe nucleus to chill and let us do something about it.
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use raphe in a sentence?
Like other neurotransmitters, serotonin is specifically synthesized in a specific brain region, the raphe nuclei.
What does raphe mean?
The connecting ridge between the two halves of the medulla oblongata or the tegmentum of the midbrain.
What part of speech is raphe?
raphe is commonly used as noun.