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Related Concept Videos

Sutures of the Skull01:22

Sutures of the Skull

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The human skull is composed of several bones that come together to protect the brain and support the structures of the face. The junctions where these bones meet are called sutures.
Sutures are immobile joints between adjacent bones of the skull. The narrow gap between the bones is filled with dense, fibrous connective tissue that unites the bones. The long sutures located between the skull bones are not straight but instead follow irregular, tightly twisting paths. These twisting lines tightly...
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Lateralization01:28

Lateralization

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Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
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Cranial Bones: Lateral View01:27

Cranial Bones: Lateral View

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The lateral view of the cranium is dominated by temporal, sphenoid, and ethmoid bones.
The temporal bone forms the lower lateral side of the skull. The temporal bone is subdivided into several regions. The flattened upper portion is the squamous portion of the temporal bone. Below this area and projecting anteriorly is the zygomatic process of the temporal bone, which forms the posterior portion of the zygomatic arch. Posteriorly is the mastoid portion of the temporal bone. Projecting...
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Plant Cells and Tissues02:01

Plant Cells and Tissues

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Plant tissues are collections of similar cells performing related functions. Different plant tissues will have their own specialized roles and can be combined with other tissues to form organs such as flowers, fruit, stem, and leaves. Two major types of plant tissue include meristematic and permanent tissue.
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Primary and Secondary Growth in Roots and Shoots03:02

Primary and Secondary Growth in Roots and Shoots

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Vascular plants, which account for over 90% of the Earth’s vegetation, all undergo primary growth—which lengthens roots and shoots. Many land plants, notably woody plants, also undergo secondary growth—which thickens roots and shoots.
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Meristems and Plant Growth02:36

Meristems and Plant Growth

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Plants grow throughout their lives; this is called indeterminate growth, and it distinguishes plants from most animals. Although certain parts of plants stop growing (e.g., leaves and flowers), others grow continuously—like roots and stems.
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Related Experiment Video

Updated: Feb 8, 2026

Polytetrafluoroethylene PTFE as a Suture Material in Tendon Surgery
09:13

Polytetrafluoroethylene PTFE as a Suture Material in Tendon Surgery

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The lateral pulley buried dermal suture.

Lin Huang1

  • 1Plastic and Reconstructive Surgery, Anzhen Hospital, Capital University of Medical Science, Beijing, China. cc.ll.80811@163.com

The Australasian Journal of Dermatology
|August 13, 2011
PubMed
Summary

A novel lateral pulley buried dermal suture technique is introduced for wound closure under tension. This method secures wounds effectively without causing epidermal or superficial dermal tension, offering mechanical advantages.

Area of Science:

  • Dermatology
  • Surgical Techniques
  • Wound Healing

Background:

  • Achieving complete wound closure, especially under tension, presents a significant clinical challenge.
  • Existing dermal suture techniques may cause excessive tension on wound margins, potentially leading to complications.

Purpose of the Study:

  • To describe a novel surgical technique, the lateral pulley buried dermal suture, for effective wound closure under tension.
  • To highlight the mechanical advantages and tissue compression characteristics of this new suture method.

Main Methods:

  • The lateral pulley buried dermal suture technique is detailed, emphasizing the placement of the pulley loop in the outer dermis.
  • Needle entry and exit points on the undermined undersurface of the dermis are described.

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Main Results:

  • The lateral pulley suture secures wounds under tension effectively.
  • This technique avoids creating tension on the epidermis and superficial dermis at the wound edge.
  • It offers mechanical advantages comparable to modified buried dermal sutures with less marginal tissue compression.

Conclusions:

  • The lateral pulley buried dermal suture is a viable technique for managing wounds under tension.
  • It provides a method for secure wound closure without compromising the superficial dermal layers.
  • This technique offers an improved approach to tension management in wound repair.