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Related Concept Videos

The Thyroid Gland01:23

The Thyroid Gland

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The thyroid gland is a small, butterfly-shaped gland located in the neck and covers the anterior surface of the trachea. The gland has two lateral lobes connected by a thin tissue mass called the isthmus. Internally, each lobe comprises many small spherical structures known as thyroid follicles, surrounded by a network of blood vessels.
The follicles have a central cavity lined by simple cuboidal to squamous epithelial cells called follicular cells. These cells produce the glycoprotein...
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The Hyoid Bone01:12

The Hyoid Bone

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The hyoid bone is a small U-shaped bone located in the upper neck at the level of the inferior mandible, with its tips pointing posteriorly. It does not directly articulate with any other bone in the body. The hyoid acts as the attachment site for the tongue, the larynx, and the pharynx. It is held in position by a series of small muscles attached from above or below. These muscles help to move the hyoid up/down or forward/back in coordination with movements of the tongue, larynx, and pharynx...
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Assessment of the Mouth01:26

Assessment of the Mouth

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A thorough mouth assessment, including inspection and palpation of the lips, gums, tongue, tonsils, uvula, and pharynx, is crucial in detecting potential health issues. Diseases ranging from oral cancer to systemic conditions like diabetes could be identified early through careful oral examination. This article provides a detailed guide on conducting a comprehensive mouth assessment.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
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Larynx01:21

Larynx

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The human larynx, often referred to as the voice box, is an intricate organ located in the neck. It serves as a pathway for air to enter the lungs during respiration and is an essential component of voice production.
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The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids,...
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The Parathyroid Glands00:59

The Parathyroid Glands

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The two pairs of parathyroid glands embedded within the posterior surface of the thyroid gland are restricted by a dense capsule around them. These glands comprise two distinct cell populations—parathyroid oxyphil and parathyroid principal cells- pivotal in calcium homeostasis.
Oxyphil cells, whose functions remain elusive, emerge during late puberty, adding a layer of complexity to the parathyroid gland's intricacies. In contrast, principal parathyroid cells undertake a vital role by...
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Tongue01:01

Tongue

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The human tongue is a fascinating and complex organ, responsible for various essential functions such as swallowing, speech, and taste. It is also subject to various conditions and diseases. In this article, we delve into the anatomy of the tongue, its roles, and some common conditions that can affect it.
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Related Experiment Video

Updated: Feb 24, 2026

Author Spotlight: Integrating Ultrasound Imaging with Biochemical Markers for Thyroid Disease Diagnosis
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Author Spotlight: Integrating Ultrasound Imaging with Biochemical Markers for Thyroid Disease Diagnosis

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Lingual thyroid gland: sonographic appearance.

J H Miller

    Radiology
    |July 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Thyroid dysgenesis can cause the thyroid gland to develop in the neck base. Ultrasound (US) effectively locates ectopic thyroid tissue when radionuclide scans are unsuitable, aiding diagnosis.

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    An Ex vivo Culture System to Study Thyroid Development
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    Area of Science:

    • Endocrinology
    • Medical Imaging
    • Pediatric Medicine

    Background:

    • Thyroid dysgenesis is a common cause of congenital hypothyroidism.
    • Ectopic thyroid tissue, particularly lingual thyroid, is a frequent manifestation.
    • Diagnostic imaging is crucial for locating the thyroid gland in these cases.

    Purpose of the Study:

    • To describe the ultrasound (US) appearance of lingual thyroid.
    • To evaluate the utility of US in diagnosing thyroid dysgenesis.
    • To present US as an alternative imaging modality when radionuclide studies are unavailable or contraindicated.

    Main Methods:

    • Retrospective review of ultrasound examinations in patients with suspected thyroid dysgenesis.
    • Description of characteristic US findings for lingual thyroid.
    • Comparison of US findings with clinical presentation and other diagnostic data.

    Main Results:

    • Ultrasound successfully identified lingual thyroid in cases of suspected thyroid dysgenesis.
    • Specific US features were consistent with ectopic thyroid tissue in the lingual location.
    • US provided valuable anatomical information for surgical planning and management.

    Conclusions:

    • Ultrasound is a reliable and accessible imaging tool for evaluating suspected thyroid dysgenesis.
    • US can accurately detect and characterize lingual thyroid.
    • US plays a vital role in the diagnostic workup of ectopic thyroid glands.