den·​drit·​ic | \ (ˌ)den-ˈdri-tik How to pronounce dendritic (audio) \

Definition of dendritic

: resembling or having dendrites : branching like a tree a dendritic drainage system dendritic cells

Examples of dendritic in a Sentence

Recent Examples on the Web Ampligen appeared to rehabilitate some of her immunological deficiencies by restoring her dendritic and white blood cells to normal functioning. Mike Mariani, The New Yorker, "A Town for People with Chronic Fatigue," 3 Sep. 2019 These dendritic spines look like mushrooms with rounded heads and skinny, tiny necks. David Grossman, Popular Mechanics, "Scientists Mapped Entire Brains at Nanoscale For This Psychadelic Visualization," 18 Jan. 2019 In particular, the drugs appeared to fuel the growth of dendritic spines and axons, the appendages that brain cells of all sorts use to reach out in the darkness and create connections, or synapses, with other brain cells. Melissa Healy,, "Psychedelic drugs change brain cells in ways that could help fight depression, addiction and more," 12 June 2018 Its lone axon, pointing straight down, and whiskery dendritic spines, which receive signals from neighboring neurons, alone in an empty landscape: the canonical depiction of Cajal’s discovery that neurons are distinct entities. Sharon Begley, STAT, "In ‘Beautiful Brain,’ the secrets of neurons emerge in Nobel-winning scientist’s ink and pencil drawings," 3 May 2018 Apparently, the protein acts sluggishly in some bipolar patients, hampering neurons’ ability to form dendritic spines—little bumps that occur on the edges of nerve cells that are necessary for neural communication. Dina Fine Maron, Scientific American, "Getting to the Root of the Problem: Stem Cells Are Revealing New Secrets about Mental Illness," 27 Feb. 2018 The questions covered a wide swath of material, from the Maxwell-Boltzmann distribution (physics), supercritical water (chemistry), dendritic drainage patterns (geomorphology) to prime factors (mathematics). Silvia Foster-frau, San Antonio Express-News, "BASIS middle school and Reagan High teams to compete in National Science Bowl," 10 Feb. 2018 The researchers also found that different genes were switched on in fetal dendritic cells than in adult dendritic cells. Gretchen Vogel, Science | AAAS, "A fetus needs to defend itself against foreign bodies—so how does it avoid attacking its mother?," 14 June 2017 Dendritic cells usually send out signals that ramp up proliferation of another type of immune cell, T cells, which then attack invaders. Gretchen Vogel, Science | AAAS, "A fetus needs to defend itself against foreign bodies—so how does it avoid attacking its mother?," 14 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dendritic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of dendritic

1816, in the meaning defined above

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The first known use of dendritic was in 1816

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Cite this Entry

“Dendritic.” Dictionary, Merriam-Webster, Accessed 25 Feb. 2020.

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