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Related Concept Videos

Cranial Bones: Lateral View01:27

Cranial Bones: Lateral View

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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The nose is composed of an observable exterior segment (external nose) and an internal segment within the skull known as the nasal cavity (internal nose). The external nose, visible on the face, consists of a framework of bone and hyaline cartilage enveloped in skin and muscle and lined with a mucous membrane. This structure is supported by the frontal bone, nasal bones, and maxillary bone and is supplemented by a cartilaginous framework comprising the septal nasal cartilage, lateral nasal...
Anatomy of Respiratory System I: Upper Respiratory Tract01:29

Anatomy of Respiratory System I: Upper Respiratory Tract

The upper respiratory tract plays a vital role in the respiratory system, comprising several structures that facilitate air intake and prepare air for the lungs. It also serves as the first line of defense against pathogens and particles. This tract includes the nose and nasal cavity, the oral cavity, the paranasal sinuses, and the pharynx, each with specific functions and features.
Nose and nasal cavity
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Olfactory Receptors: Location and Structure01:03

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The process of olfaction, also known as the sense of smell, is a sophisticated chemical response system. The specialized sensory neurons that facilitate this process, known as olfactory receptor neurons, are situated in an upper segment of the nasal cavity, known as the olfactory epithelium. Olfactory sensory neurons are bipolar, with their dendrites extending from the epithelium's apex into the mucus that lines the nasal cavity. Airborne molecules, when inhaled, traverse the olfactory...
Cranial Bones: Superior and Posterior View01:14

Cranial Bones: Superior and Posterior View

The superior view of the cranium shows the frontal and paired parietal bones.
The frontal bone is the single bone that forms the forehead. At its anterior midline, between the eyebrows, there is a slight depression called the glabella. The frontal bone also forms the supraorbital margin of the orbit. Near the middle of this margin is the supraorbital foramen, the opening that provides passage for a sensory nerve to the forehead. The frontal bone is thickened just above each supraorbital margin,...
Anatomy of Respiratory System II: Lower Respiratory Tract01:31

Anatomy of Respiratory System II: Lower Respiratory Tract

The lower respiratory tract is anatomically composed of several vital structures, including the larynx, trachea, bronchial tree, alveoli, lungs, and pleurae. Each component has a specific function, and all are intricately connected to ensure efficient respiration.
The Larynx
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An Effective Manual Deboning Method To Prepare Intact Mouse Nasal Tissue With Preserved Anatomical Organization
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The lower nasal base: an anatomical study.

Rollin K Daniel1, Tibor Glasz, Gyongyver Molnar

  • 1Division of Plastic Surgery, University of California-Irvine, CA, USA. rkdanielmd2@gmail.com

Aesthetic Surgery Journal
|January 22, 2013
PubMed
Summary
This summary is machine-generated.

This study reevaluates the nasal anatomy, emphasizing the underappreciated lower nasal base in rhinoplasty. It highlights the anatomical importance of the columellar base, nostril sills, and alar lobules for surgical outcomes.

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Area of Science:

  • Plastic Surgery
  • Anatomy

Background:

  • Current rhinoplasty techniques predominantly focus on the upper nasal base, particularly alar cartilages.
  • The lower nasal base, comprising the columellar base, nostril sills, and alar lobules, is often minimized and treated with ancillary techniques.

Purpose of the Study:

  • To describe the anatomical composition of the lower nasal base.
  • To reevaluate the nasal musculature and superficial muscular aponeurotic system.
  • To emphasize the distinct anatomical significance of the lower nasal base in rhinoplasty.

Main Methods:

  • Anatomical dissection of 45 fresh cadavers.
  • Detailed literature review of nasal musculature (levator labii superioris alaeque nasalis, orbicularis oris, depressor septi nasalis, myrtiformis, and dilator naris).

Main Results:

  • Detailed anatomical description of the columellar base, nostril sill, and alar lobule.
  • Identification and reevaluation of nasal muscles and the superficial muscular aponeurotic system in relation to the lower nasal base.
  • Evidence supporting a distinct anatomical role for the lower nasal base in rhinoplasty.

Conclusions:

  • The lower nasal base possesses significant anatomical importance in rhinoplasty.
  • A comprehensive understanding of the lower nasal base anatomy and musculature is crucial for optimal surgical results.
  • Rhinoplasty techniques should integrate a more thorough consideration of the lower nasal base structures.