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Related Concept Videos

Lobes of the Cerebrum01:22

Lobes of the Cerebrum

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The cerebral cortex, a critical structure of the brain, is intricately divided into two hemispheres, each consisting of four distinct lobes: occipital, temporal, frontal, and parietal. These lobes function cooperatively to regulate various cognitive and sensory functions, forming the basis of our complex neural capabilities.
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The subclavian artery transitions into the axillary artery as it exits the chest and enters the axillary region. This artery is critical for supplying blood to the shoulder area, including the head of the humerus, through the humeral circumflex arteries. As the vessel continues into the upper arm or brachium, it becomes the brachial artery. This artery plays a key role in vascularizing the brachial region and bifurcates at the elbow into several branches. These branches include the deep...
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The human circulatory system, a marvel of biological engineering, is a complex network of vessels that transport blood throughout the body. Among these, the veins responsible for carrying blood from the upper limbs are divided into two categories: deep and superficial.
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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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Decongestants are a class of medications used primarily to alleviate nasal congestion, a common symptom resulting from allergies, colds, sinusitis, and other upper respiratory tract infections. These drugs work by activating α-adrenergic receptors, constricting small blood vessels in the nasal membranes. This action results in the opening of clogged nasal passages, thereby facilitating sinus drainage and relieving congestion.
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The Barium Swallow Study, or a Barium Esophagogram, is a diagnostic imaging method used to visualize the upper gastrointestinal (GI) tract, including the esophagus, stomach, and small intestine. It employs barium sulfate, a radiopaque contrast material, to provide clear images of the upper digestive system, helping to identify abnormalities, diseases, or structural issues.
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Related Experiment Video

Updated: Feb 4, 2026

Anteromesial Temporal Lobectomy for Medically Intractable Temporal Lobe Epilepsy: An Operative Study
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Posterior segmentectomy, right upper lobe.

George Rakovich1

  • 1Hôpital Maisonneuve-Rosemont (University of Montreal) 5415, l'Assomption Montréal, Qc, Canada. H1T 2M4.

Multimedia Manual of Cardiothoracic Surgery : MMCTS
|September 29, 2018
PubMed
Summary

Minimally invasive pulmonary segmentectomy offers effective cancer treatment while preserving lung tissue. A multiport thoracoscopic approach provides versatility and direct access for complex procedures.

Area of Science:

  • Thoracic Surgery
  • Surgical Oncology
  • Minimally Invasive Procedures

Background:

  • Pulmonary segmentectomy is a lung-sparing surgical option for early-stage lung cancer.
  • Minimally invasive techniques aim to reduce morbidity and hospital stay compared to open surgery.

Observation:

  • A fully thoracoscopic multiport approach is favored for its direct access and adaptability.
  • Key procedural elements include patient positioning, trocar placement, and standardized dissection of segmental structures.

Findings:

  • This technique allows for adequate oncologic treatment with preservation of lung parenchyma.
  • The multiport approach facilitates intraoperative adjustments, such as conversion to lobectomy if needed.

Implications:

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  • Minimally invasive segmentectomy enhances patient recovery and reduces hospital length of stay.
  • This approach offers a versatile and effective strategy for managing selected lung cancer cases.