PATHWAY

Pronunciation (US):

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 Dictionary entry overview: What does pathway mean? 

• PATHWAY (noun)
  The noun PATHWAY has 2 senses:

1. a bundle of myelinated nerve fibers following a path through the brain

2. a trodden path

  Familiarity information: PATHWAY used as a noun is rare.

 Dictionary entry details 

• PATHWAY (noun)

Sense 1

Meaning:

A bundle of myelinated nerve fibers following a path through the brain

Classified under:

Nouns denoting body parts

Synonyms:

nerve pathway; nerve tract; pathway; tract

Hypernyms ("pathway" is a kind of...):

substantia alba; white matter (whitish nervous tissue of the CNS consisting of neurons and their myelin sheaths)

Hyponyms (each of the following is a kind of "pathway"):

optic radiation; radiatio optica (a nerve pathway from the lateral geniculate body to the visual cortex)

commissure (a bundle of nerve fibers passing from one side to the other of the brain or spinal cord)

cerebral peduncle; peduncle (a bundle of myelinated neurons joining different parts of the brain)

Sense 2

Meaning:

A trodden path

Classified under:

Nouns denoting man-made objects

Synonyms:

footpath; pathway

Hypernyms ("pathway" is a kind of...):

path (a way especially designed for a particular use)

 Context examples 

Among the genes found to be associated with a risk for ASD, many coded for proteins involved in 3 pathways important for normal development.

(Gene Disruptions Associated with Autism Risk, NIH)

Many of the identified variations converged around pathways with suspected ties to schizophrenia.

(Over 100 Genetic Sites Tied to Schizophrenia, NIH)

High levels of dietary salt can activate a pathway in the brain to cause cognitive impairment, according to a new study.

(Pathogenic tau and cognitive impairment are precipitated by a high-salt diet, National Institutes of Health)

The Sonic Hedgehog pathway plays a key role in the development of animals and humans.

(Using both marijuana and alcohol during early pregnancy may increase the likelihood of disrupting fetal development, National Institutes of Health)

If the conditions are right, these molecules coming from the deep ocean of Enceladus could be on the same reaction pathway as we see here on Earth.

(New Organic Compounds Found in Enceladus Ice Grains, NASA)

The researchers worked out the chemical pathways and thermodynamics involved in multiple scenarios on Earth to see if they could produce enough energy to turn phosphorous into phosphine.

(Poisonous Earthly Molecule May Be Sign of Extraterrestrial Life, The Titi Tudorancea Bulletin)

But he and his team have found an answer: by examining the evolution of the biochemical pathways that produce color diversity in birds.

(Colorful bird feathers offer evolutionary clues, National Science Foundation)

Moreover, melanoma development is strongly associated with inactivation of the p16INK4a/CDK4,6/pRb and p14ARF/HMD2/p53 tumor suppressor pathways.

(Melanoma Pathway, NCI Thesaurus/KEGG)

Changes in this pathway may lead to cancer cell growth.

(Mevalonate pathway, NCI Dictionary)

This allele, which encodes MFNG O-fucosylpeptide 3-beta-N-acetylglucosaminyltransferase protein, plays a role in embryonic development by influencing the Notch signaling pathway.

(MFNG wt Allele, NCI Thesaurus)