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Related Concept Videos

Spinal Nerves: Plexus I01:22

Spinal Nerves: Plexus I

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Nerve plexuses are networks of interlacing nerves that serve as communication hubs to distribute and organize nerve action across various body regions. The nerve plexuses are organized into the cervical plexus located in the neck region, brachial plexus in the shoulder area, lumbar plexus found in the lower back, sacral plexus situated in the pelvis, and coccygeal plexus located in the coccygeal region.
The Cervical Plexus
The cervical plexus, formed by the anterior rami of the first four...
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Spinal Nerves: Plexus II01:21

Spinal Nerves: Plexus II

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The plexuses of the lower body include the lumbar, sacral, and coccygeal plexuses, which innervate the abdomen, pelvis, legs, and coccygeal region. These plexuses control the transmission of sensory information and coordinate motor functions of the lower body.
The Lumbar Plexus
The lumbar plexus is situated within the lumbar region of the back and is primarily formed by the first four lumbar spinal nerves (L1 to L4). This plexus extends its branches into several nerves, including the...
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Detailed Structure and Function of Lymph Nodes01:23

Detailed Structure and Function of Lymph Nodes

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Lymph nodes are bean-shaped structures that cluster along the lymphatic vessels in the inguinal, axillary, and cervical regions. Each node is divided into compartments by a capsule that extends trabeculae inward.
From a histological perspective, lymph nodes can be split into two main areas: the superficial cortex and the deep medulla. The outer cortex is populated by dendritic cells, macrophages, and B lymphocytes, which are densely packed into follicles. When these B-lymphocytes are presented...
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Secondary Lymphoid Organs01:15

Secondary Lymphoid Organs

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Secondary organs, including lymph nodes, the spleen, and mucosa-associated lymphoid tissue (MALT), work harmoniously to protect us from disease and infection.
The spleen is a vital organ in the lymphatic system, nestled in the upper left side of the abdomen. It is composed of two primary regions: the red pulp and the white pulp, each having distinct functions. The red pulp performs a significant role in blood filtration. It efficiently purges the blood of old or damaged red blood cells and...
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Abdominal Regions and Quadrants

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To promote clear communication, for instance, about the location of a patient's abdominal pain or a suspicious mass, anatomists and clinicians typically use imaginary lines to categorize the abdominopelvic cavity into either four quadrants or nine regions to identify organs in the cavity.
The simpler quadrants approach, which is more commonly used in medicine, subdivides the cavity with one horizontal and one vertical line that intersects at the patient's umbilicus (navel). The four...
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Related Experiment Video

Updated: Jun 7, 2025

Dissection and 2-Photon Imaging of Peripheral Lymph Nodes in Mice
16:48

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Hatti's Plexus, An Added Landmark in Level IB Lymphnode Dissection of Neck.

Sharanbasappa Hatti1, Sharankumar Shetty2, Jui Karmarkar3

  • 1Surgical Oncology, HCG Cancer Hospital, Kalaburagi, Karnataka 585101 India.

Indian Journal of Otolaryngology and Head and Neck Surgery : Official Publication of the Association of Otolaryngologists of India
|November 19, 2024
PubMed
Summary
This summary is machine-generated.

Meticulous neck dissection improves survival in head and neck squamous cell carcinoma. Identifying Hatti

Keywords:
Blood vesselsLymphnodesMarginal mandibular nerveMetastasisSubmandibular gland

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Area of Science:

  • Head and Neck Surgery
  • Surgical Anatomy
  • Oncology

Background:

  • Lymph node metastasis is a critical prognostic factor in head and neck squamous cell carcinoma.
  • Effective neck dissection is vital for improving patient prognosis and survival rates.

Purpose of the Study:

  • To describe a novel anatomical landmark, Hatti's plexus, to aid in safe and effective neck dissection.
  • To enhance the preservation of critical structures during neck dissection for head and neck cancers.

Main Methods:

  • Detailed anatomical description of Hatti's plexus in relation to the submandibular gland.
  • Surgical technique emphasizing identification and preservation of the lingual nerve.

Main Results:

  • Hatti's plexus, a complex of small vessels, is consistently found in the deep lobe of the submandibular gland.
  • Identification of Hatti's plexus facilitates avoidance of accidental lingual nerve damage.
  • Improved surgical field clarity during neck dissection.

Conclusions:

  • Hatti's plexus serves as a valuable landmark for surgeons performing neck dissections.
  • This anatomical understanding can lead to safer procedures and better outcomes for head and neck cancer patients.