Respiratory Tract Collection (page 2)

Conceptual image of human lungs

Three dimensional view of the male respiratory system, close-up

Respiratory system, Trachea, Tracheal wall mucosa under microscope
Medicine - Human Histology - Respiratory system - Trachea - Tracheal wall mucosa under microscope

Human respiratory anatomy

Flu virus infection, conceptual image. Computer artwork showing influenza virus particles (round) in the respiratory tract

Smell receptor, TEM
Smell receptor. Transmission electron micrograph (TEM) of a section through the olfactory epithelium that lines the nasal cavity, showing an olfactory cell (smell receptor)

Trachea lining, SEM C013 / 7127
Trachea lining. Coloured scanning electron micrograph (SEM) of the lining of a trachea (wind pipe), showing the cilia (hair-like) and goblet cells (pink). The trachea links the larynx to the lungs

Trachea lining, SEM C013 / 7125
Trachea lining. Coloured scanning electron micrograph (SEM) of the lining of a trachea (wind pipe), showing the cilia (hair-like) and goblet cells (orange). The trachea links the larynx to the lungs

Trachea lining, SEM C013 / 7124
Trachea lining. Coloured scanning electron micrograph (SEM) of a section through the wall of a trachea (wind pipe). The trachea links the larynx to the lungs

Trachea lining, SEM C013 / 7123
Trachea lining. Coloured scanning electron micrograph (SEM) of a section through the wall of a trachea (wind pipe). The trachea links the larynx to the lungs

Trachea lining, SEM C013 / 7121
Trachea lining. Coloured scanning electron micrograph (SEM) of a section through the wall of a trachea (wind pipe), showing the ciliated epithelial cells. The trachea links the larynx to the lungs

Trachea lining, SEM C013 / 7120
Trachea lining. Coloured scanning electron micrograph (SEM) of a section through the wall of a trachea (wind pipe), showing the ciliated epithelial cells. The trachea links the larynx to the lungs

Trachea lining, SEM C013 / 7119
Trachea lining. Coloured scanning electron micrograph (SEM) of a section through the wall of a trachea (wind pipe), showing the ciliated epithelial cells. The trachea links the larynx to the lungs

Trachea. Coloured scanning electron micrograph (SEM) of the exterior of the trachea (windpipe). The trachea links the larynx (voice box) to the lungs

Viral throat infection, artwork
Viral throat infection. Artwork of several tracheae (windpipes) being infected by viruses (spiky balls). The common cold is a viral infection that attacks the throat

Nasal cavity, SEM
Nasal cavity. Coloured scanning electron micrograph (SEM) of the surface of the nasal cavity. It is covered in epithelial hair-like structures known as cilia (orange)

Influenza virus, TEM
Influenza virus. Coloured transmission electron micrograph (TEM) of an influenza ( flu) virus particle. Influenza belongs to the orthomyxovirus group of viruses

Influenza viruses. Coloured transmission electron micrograph (TEM) of influenza (flu) viruses. The flu virus belongs to the orthomyxovirus group of viruses which have an affinity for mucus

Adenoviruses

Trachea mucous membrane, SEM
Trachea mucous membrane. Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue

Alveoli in the lung, artwork
Alveoli in the lung. Computer artwork showing the alveoli (spheres) and bronchioles (tubes) of the lungs. The alveoli are the tiny air sacs of the lungs where gases are exchanged between the air in

Swine flu infection, conceptual image. Computer artwork representing a swine flu (influenza) virus particle in the respiratory system

Digestive and respiratory tract, artwork
Artwork of the anatomy of the human digestive and respiratory tracts. The digestive tract (lower left) includes the stomach and intestines that enable food to be digested; the respiratory tract

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The respiratory tract is a complex system within the human body that plays a vital role in our ability to breathe and maintain overall health. From the anatomy of the bronchus and bronchial tubes to microscopic views of viruses like respiratory syncytial virus and adenovirus, this caption explores various aspects of this intricate network. Starting with an aerial view of a plane on a beach, we delve into the upper respiratory tract, depicted beautifully through artwork. Moving closer, we examine the nasal lining under a scanning electron microscope (SEM), revealing its delicate structure responsible for filtering air as it enters our bodies. Zooming further down, we encounter the trachea lining captured by SEM C013 / 7126. This image showcases the unique composition that lines our windpipe, protecting it from harmful particles while allowing smooth airflow. Continuing our journey through this incredible system, we explore both healthy and diseased alveoli in the lungs. These tiny sacs are crucial for gas exchange but can be affected by various conditions. As we conclude our exploration of the respiratory tract's anatomical wonders, let us remember how intertwined it is with other aspects of human physiology. It connects not only to organs directly involved in respiration but also to structures within our necks that support speech production and swallowing. In summary, these captivating images provide glimpses into different components of the respiratory tract – from macroscopic views like bronchial tubes to microscopic details such as viral infections or cellular linings. Understanding this intricate system helps us appreciate its importance in maintaining optimal lung function and overall well-being.