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Related Concept Videos

Cranial Bones: Superior and Posterior View01:14

Cranial Bones: Superior and Posterior View

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The superior view of the cranium shows the frontal and paired parietal bones.
The frontal bone is the single bone that forms the forehead. At its anterior midline, between the eyebrows, there is a slight depression called the glabella. The frontal bone also forms the supraorbital margin of the orbit. Near the middle of this margin is the supraorbital foramen, the opening that provides passage for a sensory nerve to the forehead. The frontal bone is thickened just above each supraorbital margin,...
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Signal processing techniques are essential for accurately converting continuous signals to digital formats and vice versa. When a continuous signal is sampled with a period T, the resulting sampled signal exhibits replicas of the original spectrum in the frequency domain, spaced at intervals equal to the sampling frequency. To handle this sampled signal, a zero-order hold method can be applied, which creates a piecewise constant signal by retaining each sample's value until the next...
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Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

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Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers,...
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Formulation and Manufacturing Process: Physical Attributes of Generic Tablets and Capsules01:18

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Bioequivalence in generic drugs, such as tablets and capsules, refers to their pharmaceutical equivalence to the brand-name counterparts. However, for therapeutic equivalence, manufacturers must also consider physical attributes like size, shape, and weight (FDA Guidance for Industry, December 2003). Discrepancies in these aspects could impact patient compliance and cause medication errors. For instance, swallowing difficulties, often experienced with larger tablets or capsules, can lead to...
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Electron Microscope Tomography and Single-particle Reconstruction01:07

Electron Microscope Tomography and Single-particle Reconstruction

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Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
Electron Tomography
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Filtration and Urine Formation01:32

Filtration and Urine Formation

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The function of the kidneys is to filter, reabsorb, secrete, and excrete. Every day the kidneys filter nearly 180 liters of blood, initially removing water and solutes but ultimately returning nearly all filtrates into circulation with the help of osmoregulatory hormones. This process removes wastes and toxins but is also crucial to maintain water and electrolyte levels. Most of these functions are performed by the tiny but numerous nephrons contained within the kidneys.
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Superior Capsular Reconstruction With Acellular Dermal Allograft Improves Midterm Clinical Outcomes but Is Associated With High Rates of Graft Failure and Progression of Cuff Tear Arthropathy.

Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association·2026
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Arthroscopic Rotator Cuff Repair, Manipulation Under Anesthesia, and Capsular Release for Concurrent Rotator Cuff Tear and Adhesive Capsulitis Maintain Improvements in Outcomes and Range of Motion at Minimum 5-Year Follow-Up.

Arthroscopy, sports medicine, and rehabilitation·2023
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Similar Value Demonstrated in the Short-Term Outcomes of Superior Capsular Reconstruction and Reverse Shoulder Arthroplasty for Massive Rotator Cuff Tears.

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Prospective 1-Year Outcomes Are Maintained at Short-Term Final Follow-Up After Superior Capsular Reconstruction Augmentation of Complete Rotator Cuff Repair.

Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association·2021
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Shoulder arthroscopy: a bridge from the past to the future.

Journal of shoulder and elbow surgery·2020
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Successful Revision Arthroscopic Rotator Cuff Repair Is Possible in the Setting of Prior Deep Infection.

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Related Experiment Video

Updated: Jan 20, 2026

Teratoma Generation in the Testis Capsule
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Teratoma Generation in the Testis Capsule

Published on: November 7, 2011

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Superior Capsule Reconstruction.

Stephen S Burkhart1

  • 1Orthopaedic Surgeon, The San Antonio Orthopaedic Group, San Antonio, Texas.

Instructional Course Lectures
|August 15, 2019
PubMed
Summary

For massive rotator cuff tears without arthritis, surgeons should aim for complete surgical repair. When full repair isn't possible, superior capsule reconstruction shows promising early results.

Area of Science:

  • Orthopedic Surgery
  • Shoulder Reconstruction
  • Musculoskeletal Research

Background:

  • Massive rotator cuff tears often present challenges in achieving complete surgical repair.
  • Glenohumeral arthritis can complicate treatment decisions for rotator cuff pathology.
  • Advanced surgical techniques aim to improve outcomes for irreparable tears.

Purpose of the Study:

  • To evaluate the feasibility and early outcomes of superior capsule reconstruction for massive rotator cuff tears.
  • To determine if superior capsule reconstruction is a viable alternative when complete rotator cuff repair is not achievable.
  • To assess the use of acellular dermal allograft in superior capsule reconstruction.

Main Methods:

  • Review of surgical techniques for massive rotator cuff tears, including interval slides and high-strength repair constructs.

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  • Analysis of outcomes in patients undergoing superior capsule reconstruction using acellular dermal allograft.
  • Focus on patients with massive rotator cuff tears and without glenohumeral arthritis.

    • Main Results:

    • Complete rotator cuff repair is the primary surgical goal when indicated.
    • Despite advanced techniques, some massive rotator cuff tears remain unreparable.
    • Early outcomes for superior capsule reconstruction with acellular dermal allograft are promising in select cases.

    Conclusions:

    • Complete repair should be attempted for massive rotator cuff tears without arthritis.
    • Superior capsule reconstruction is a potential treatment option for irreparable massive rotator cuff tears.
    • Acellular dermal allograft shows potential in superior capsule reconstruction procedures.