🇵🇹Portuguese Source WordCode: PT

microtúbulo

Pronunciation / Transliteration: mikɾoˈtubulu

🇬🇧 Direct English Meaning:
Microtubule/ˈmaɪ.krəʊˌtjuːbjuːl/
nounCEFR C1 (Advanced)Top #8500 frequency
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🇵🇹 Example Sentence in Portuguese:

"Os microtúbulos ajudam a dar forma à célula."

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A microscopic tubular structure present in numbers in the cytoplasm of cells, sometimes aggregating to form more complex structures such as the mitotic spindle.

    "Microtubules play a crucial role in maintaining cell shape and intracellular transport."
  2. 2

    A component of the cytoskeleton composed of polymerized dimers of alpha and beta tubulin.

    "During cell division, microtubules rapidly polymerize to separate the duplicated chromosomes."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Greek prefix 'mikros' meaning small, combined with 'tubulus' from Latin meaning a small pipe or tube. The term emerged in modern cell biology during the mid-20th century following the development of electron microscopy, which enabled researchers to visualize the microscopic cytoskeletal structures.

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