Axillary Region

The axillary region, commonly called the armpit, is the anatomical space between the upper limb and the thorax that connects the neck, chest, and arm. Its boundaries are formed by the clavicle, scapula, humerus, and surrounding muscles, creating a passage for the axillary artery and vein, brachial plexus, and lymphatic vessels. Axillary lymph nodes filter lymph from the upper limb, breast, and parts of the thoracic wall, making this region important in immune surveillance and the spread of disease. Studying its anatomy supports clinical examination, vascular and nerve procedures, breast cancer staging, and understanding injuries affecting the shoulder and arm.

Axillary Region - Related Videos

Research

JoVE Journal - Medicine

Single-port Non-liposuction Endoscopic Axillary Lymph Node Dissection in Breast Cancer Surgery

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2026

This study describes a standardized surgical procedure for single-port endoscopic axillary lymph node dissection without liposuction in breast cancer. Indicated for patients with biopsy-confirmed nodal metastasis or positive sentinel lymph nodes, the technique emphasizes preservation of critical structures, particularly the intercostobrachial nerve, to reduce postoperative morbidity and optimize functional recovery.

Research

JoVE Journal - Medicine
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A New Hybrid Quantitative Evaluation Model for Axillary Junctional Hemorrhage in Swine

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Cited by 1 •

2024

This study presents a hybrid quantitative model for axillary junctional hemorrhage in swine, enhancing pre-hospital hemostatic intervention evaluation.

Education

JoVE Core - Analytical Chemistry

IR Frequency Region: Fingerprint Region

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2024

IR spectra are divided into two main regions: the diagnostic region and the fingerprint region. The diagnostic region of the spectrum lies above 1500 cm−1. The absorptions resulting from single-bond vibrations of the N–H, C–H, and O–H stretch at higher wavenumbers and appear on the left side of the spectrum. The stretching absorptions of the C≡C and C≡N occur between 2100–2300 cm−1. In contrast, those arising from stretching absorptions of the C=O, C=N, and C=C occur between 1600–1850 cm−1. The...

Gasless Endoscopic Thyroidectomy via the Trans-Axillary Approach

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Cited by 3 •

2023

This protocol presents the procedure for conducting thyroidectomy using the gasless endoscopic thyroidectomy trans-axillary approach (GETTA).

The Eukaryotic Promoter Region

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2020

The eukaryotic promoter region is a segment of DNA located upstream of a gene. It contains an RNA polymerase binding site, a transcription start site, and several cis-regulatory sequences. The proximal promoter region is located in the vicinity of the gene and has cis-regulatory sequences and the core promoter. The core promoter is the binding site for RNA polymerase and is usually located between -35 and +35 nucleotides from the transcription start site. The distal promoter regions are...

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