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Related Concept Videos

Extraction: Advanced Methods00:56

Extraction: Advanced Methods

Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is formed in...
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Higher Mental Functions of the Brain: Language

Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
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Language01:16

Language

Language is a unique communication system that uses words and systematic rules to organize and transmit information. Unlike other forms of communication, which may involve postures, movements, odors, or vocalizations, language relies on symbols and grammar. This makes human communication distinct from that of other species, who also communicate but do not use language in the same way humans do.
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Components of Language01:24

Components of Language

Language, whether spoken, signed, or written, consists of specific components: lexicon and grammar. The lexicon is the vocabulary of a language, comprising its words. Grammar is the set of rules used to convey meaning through the lexicon. For example, English grammar adds “-ed” to most verbs to indicate past tense. Words are formed by combining phonemes, which are the basic sound units of a language. Different languages have different sets of phonemes (e.g., “ah” vs. “eh”). Phonemes combine to...
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Language Development

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Related Experiment Video

Updated: Jun 18, 2026

In Vivo Evaluation of the Mechanical and Viscoelastic Properties of the Rat Tongue
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A Novel Framework for Tongue Feature Extraction Framework Based on Sublingual Vein Segmentation.

Xiaohua Wan, Yulong Hu, Dehui Qiu

    IEEE Transactions on Nanobioscience
    |September 17, 2024
    PubMed
    Summary

    This study introduces a new method for analyzing sublingual vein features in Traditional Chinese Medicine (TCM) tongue diagnosis. The approach enhances blood circulation assessment by improving sublingual vein segmentation and feature extraction.

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    Area of Science:

    • Integrative Medicine
    • Medical Imaging Analysis
    • Computational Biology

    Background:

    • Sublingual vein features (swelling, varicosity, cyanosis) are key indicators in Traditional Chinese Medicine (TCM) tongue diagnosis for assessing blood circulation.
    • Automated and accurate extraction of these features is challenging due to limited datasets and image noise.

    Purpose of the Study:

    • To develop an innovative method for extracting sublingual vein features for improved TCM tongue diagnosis.
    • To address the limitations of existing methods by focusing on sublingual vein segmentation rather than the entire tongue base.

    Main Methods:

    • Developed a sublingual vein segmentation framework using a Polyp-PVT network to reduce noise.
    • Employed a transformer-based approach (Swin-Transformer) for sublingual vein feature extraction.
    • Created a comprehensive dataset of sublingual vein images to support segmentation and classification.

    Main Results:

    • The proposed method effectively segments sublingual veins, removing noise from surrounding areas.
    • Transformer-based feature extraction demonstrated significant improvements.
    • Experimental results showed superior performance compared to existing tongue feature extraction techniques.

    Conclusions:

    • The novel tongue feature extraction method, incorporating sublingual vein segmentation, offers a significant advancement in TCM diagnosis.
    • This approach enhances the accuracy and efficiency of assessing blood circulation through sublingual vein analysis.