raphe

noun

ra·phe ˈrā-(ˌ)fē How to pronounce raphe (audio)

: the seamlike union of the two lateral halves of a part or organ (such as the tongue) having externally a ridge or furrow

: 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

: the median line or slit of the valve of certain diatoms

Example Sentences

Recent Examples on the Web To better understand the role the dorsal raphe neurons play in loneliness, the researchers genetically engineered the dopamine cells to respond to certain wavelengths of light, a technique known as optogenetics.

Quanta Magazine, 10 May 2016 The researchers focused on dopamine neurons in a brain region called the dorsal raphe nucleus, best known for its link to depression.

Quanta Magazine, 10 May 2016 The region, known as the dorsal raphe nucleus, or D.R.N., is best known for its link to depression.

Katie Hafner, New York Times, 5 Sep. 2016

单词	raphe
释义	raphe noun ra·phe ˈrā-(ˌ)fē 1 : the seamlike union of the two lateral halves of a part or organ (such as the tongue) having externally a ridge or furrow 2 a : 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 b : the median line or slit of the valve of certain diatoms Example Sentences Recent Examples on the Web To better understand the role the dorsal raphe neurons play in loneliness, the researchers genetically engineered the dopamine cells to respond to certain wavelengths of light, a technique known as optogenetics. Quanta Magazine, 10 May 2016 The researchers focused on dopamine neurons in a brain region called the dorsal raphe nucleus, best known for its link to depression. Quanta Magazine, 10 May 2016 The region, known as the dorsal raphe nucleus, or D.R.N., is best known for its link to depression. Katie Hafner, New York Times, 5 Sep. 2016 Word History Etymology New Latin, from Greek rhaphē seam, from rhaptein to sew First Known Use circa 1753, in the meaning defined at sense 1 Medical Definition raphe noun ra·phe variants also rhaphe ˈrā-fē : the seamlike union of the two lateral halves of a part or organ (as of the tongue, perineum, or scrotum) having externally a ridge or furrow and internally usually a fibrous connective tissue septum
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raphe

noun

Example Sentences

Word History

Medical Definition

noun