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Bones of the Lower Limb: Tibia and Fibula01:10

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The tibia is the main weight-bearing bone of the lower leg. It is larger than the fibula with which it is paired. The tibia is also the second longest bone in the body and is located right below the skin. The proximal end of the tibia forms the medial and the lateral condyle, which articulates with the condyles of the femur to form the knee joint. Between the articulating surfaces is the irregular elevated area known as the intercondylar eminence that serves as the inferior attachment point for...
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Bones are dynamic organs that require a rich supply of oxygen and nutrients. Around 5% to 10% of the cardiac output supplies blood to the bones. A typical long bone has three main sources: the nutrient artery, the metaphyseal and epiphyseal arteries, and the periosteal arteries.
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Bones of the Upper Limb: Radius01:09

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The radius is longer of the two bones that make up the human antebrachium or forearm. At the proximal end, the radius articulates with the capitulum of the humerus and the radial notch of the ulna to form the elbow joint. At the distal end, the radius articulates with the ulna via the ulnar notch, forming the distal radioulnar joint. Distally, the radius also attaches to the carpal wrist bones (scaphoid and lunate) to form the radiocarpal joint.
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Bones of the Upper Limb: Humerus01:19

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The upper limb consists of the arm, forearm, wrist, and hand bones. The humerus is the single bone of the upper arm region. Proximally, it has a large, spherical, smooth head that articulates with the glenoid cavity of the scapula to form the glenohumeral or shoulder joint. The margin of the head is the anatomical neck, a residual epiphyseal plate. Laterally it extends to form bony projections called the greater tubercle and the lesser tubercle. Next to the tubercles is the surgical neck, a...
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Bones of the Upper Limb: Ulna01:15

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The ulna and radius are parallel bones of the antebrachium or the forearm. The ulna lies medially and consists of a bony tip called the olecranon process at its proximal end. This hook-like projection articulates with the olecranon fossa of the humerus and forms the "hinged" ulnohumeral part of the elbow joint. This joint facilitates forearm extension and flexion while preventing its hyperextension. Similarly, the coronoid process, another bony projection on the proximal/anterior side...
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Author Spotlight: Optimizing Scorpion Venom Extraction for Antivenom Production
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[Snakebites].

Sarah Eggert1, Jesper Kjærgaard, Anja Poulsen

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PubMed
Summary
This summary is machine-generated.

Snakebite envenoming is a deadly neglected tropical disease. Effective first aid and accessible antivenom are crucial for reducing deaths and improving patient outcomes.

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Area of Science:

  • Tropical Medicine
  • Public Health
  • Toxicology

Background:

  • Snakebite envenoming is a significant global health issue, classified as a neglected tropical disease.
  • Over 100,000 deaths annually highlight the urgent need for improved management strategies.
  • Effective treatment relies on timely medical care, antivenom availability, and appropriate first aid.

Purpose of the Study:

  • To review current guidelines on antivenom treatment indications for snakebite envenoming.
  • To identify effective first-aid measures for snakebites.
  • To highlight harmful or ineffective traditional first-aid practices that should be avoided.

Main Methods:

  • Systematic review of existing literature on snakebite management.
  • Analysis of clinical guidelines and research on antivenom efficacy.
  • Evaluation of traditional and evidence-based first-aid techniques.

Main Results:

  • Clear indications for antivenom administration in snakebite cases were summarized.
  • Effective first-aid interventions that improve patient outcomes were identified.
  • Numerous traditional first-aid methods were found to be ineffective or detrimental.

Conclusions:

  • Knowledge of correct first aid is as vital as healthcare accessibility for mitigating snakebite consequences.
  • Avoiding harmful traditional practices is critical for patient safety.
  • Evidence-based first aid and prompt medical intervention are key to reducing snakebite mortality and morbidity.