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Related Concept Videos

Nose and Nasal Cavity01:24

Nose and Nasal Cavity

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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...
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Anatomy of Respiratory System I: Upper Respiratory Tract01:29

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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
The nose and nasal cavity represent the main external openings of the respiratory tract....
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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...
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Cranial Bones: Lateral View01:27

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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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Gross Anatomy of the Lungs01:17

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The lungs are a pair of vital organs connected to the trachea via the left and right bronchi. The base of these organs meets the dome-shaped muscle known as the diaphragm. Encased by the pleurae, the lungs contact the mediastinum. The right lung is shorter yet wider, and has a larger volume than the left lung. The left lung has an indentation known as the cardiac notch. The superior region of the lungs is referred to as the apex, whereas the base is the lower region near the diaphragm. The...
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Anatomy of Respiratory System II: Lower Respiratory Tract01:31

Anatomy of Respiratory System II: Lower Respiratory Tract

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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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Related Experiment Video

Updated: Mar 2, 2026

An Effective Manual Deboning Method To Prepare Intact Mouse Nasal Tissue With Preserved Anatomical Organization
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Knowing where the nose is.

Winthrop F Gillis1, Sandeep R Datta2

  • 1Department of Neurobiology, Harvard Medical School, Boston, MA, 02115, USA.

BMC Biology
|May 17, 2017
PubMed
Summary
This summary is machine-generated.

New open-source software, OptiMouse, uses video analysis to capture detailed mouse behavior, including olfactory investigation. This tool aids in understanding brain function through advanced animal behavior studies.

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Area of Science:

  • Neuroscience and ethology
  • Computational biology and machine learning

Background:

  • Advancements in imaging and machine learning are transforming animal behavior research.
  • Understanding brain function relies on detailed analysis of animal actions.

Discussion:

  • OptiMouse is an open-source platform for analyzing mouse behavior from video.
  • It captures global and local behavioral features, including olfactory investigation.

Key Insights:

  • OptiMouse provides a novel tool for high-throughput behavioral phenotyping.
  • The platform facilitates detailed analysis of mouse actions relevant to neuroscience.

Outlook:

  • This technology can accelerate discoveries in neurobiology and behavioral science.
  • Future applications may include broader species and more complex behavioral paradigms.