Alveoli Collection

Lactating breast tissue, light micrograph
Lactating breast tissue. Light micrograph of a section through healthy breast (mammary gland) tissue during lactation. Glandular tissue in the breast has proliferated to produce spaces (alveoli)

Meadow brown butterfly, Maniola jurtina, wood lady or orange tip, Anthocharis cardamines, and grizzled skipper, Pyrgus alveolus

Diseased alveoli in the lung. Cutaway computer artwork showing the interior of diseased alveoli (spheres) and bronchioles, (tubes) and blood vessels (red and purple) of the lungs

Lung alveoli anatomy, artwork C016 / 7680
Lung alveoli anatomy. Artwork showing the structure of the lung alveoli, where gas exchange occurs between the respiratory and circulatory systems

Lung alveoli. Light micrograph of a section through normal human lung tissue showing alveoli. These are tiny air sacs where most of the diffusion of gases to and from the blood occurs

Bacterial lung infection, computer artwork. Rod-shaped bacteria (bacilli, green) on the surface of the alveoli of the lungs (purple)

Lungs anatomy, artwork
Lungs anatomy, computer artwork. At top left is the trachea (windpipe, white), which splits into two bronchi, one for each lung (blue)

SEM of lung alveoli
Lung alveoli. Coloured Scanning Electron Micro- graph (SEM) of lung tissue, showing alveoli and a pulmonary blood vessel. At centre is the lumen of a large blood vessel (yellow)

Bronchioles
Bronchiole network, composite image. The trachea (windpipe, not seen) branches into two bronchi, which enter the pair of lungs

Lactating breast tissue, SEM

Rat lung alveoli, SEM
Rat lung alveoli. Coloured scanning electron micrograph (SEM) of a section of a rat lung. Alveolar ducts (the larger passages) are surrounded by alveolar air sacs, which are clusters of alveoli

Lung alveoli, SEM
Lung alveoli. Coloured scanning electron micrograph (SEM) of alveoli (air spaces) in the lungs. Blood vessels containing erythrocytes (red blood cells) are also seen

Alveolar cell, TEM
Alveolar cell. Coloured transmission electron micrograph (TEM) of a section through a type II alveolar cell. This cell is found in the alveoli (air sacs) of the lungs

Bleeding in emphysema
Internal bleeding in lung tissue due to pulmonary emphysema, light micrograph. The bleeding is seen as numerous red blood cells (red)

Emphysema of the lungs, CT scan
Emphysema. Coloured 3-D computed tomography (CT) scan of the lungs, showing advanced emphysema of the right lung (left). Emphysema is a disease in which the tiny lung air sacs (alveoli)

Artwork of asthmatic respiratory system on inhaler
Asthma. Artwork of part of the respiratory system, seen on an aerosol inhaler (blue), showing the effects of asthma. The bronchi, covered in bands of cartilage (pink)

Artwork of bronchodilator action in asthma
Asthma treatment. Artwork showing the action of a bronchodilator drug breathed into the respiratory system from an aerosol inhaler to treat asthma

Lung fibrosis, CT scan
Lung fibrosis. Image 2 of 3. Coloured computed tomography (CT) scan through the chest of a patient with lung (pulmonary) fibrosis

Asthma. Computer artwork of allergens (blue and green) amongst alveoli (tiny air sacs, beige) in a lung. Allergens, such as dust and pollen, can trigger an asthma attack

Lung blood vessel, SEM
Lung blood vessel. Coloured scanning electron micrograph (SEM) of blood vessels around alveoli (air spaces, dark brown) in the lungs. Erythrocytes (red blood cells) are seen in the blood vessel

Alveoli, artwork
Alveoli at the end of a bronchial tree, computer artwork

Alveoli
3d medical illustration showing the alveoli and blood vessels in the human lung

Human lungs, artwork
Human lungs, computer artwork

Bronchial tree, artwork
Bronchial tree, computer artwork

TB bacteria infecting macrophages, SEM
TB bacteria infecting macrophages. Coloured scanning electron micrograph (SEM) of Mycobacterium tuberculosis bacteria (orange) invading macrophage white blood cells (pink)

Lung alveolus blood supply, artwork. The alveoli (air sacs) are the site of gaseous exchange in the lungs. Carbon dioxide from de-oxygenated red blood cells (blue) passes from the capillaries

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

Pulmonary lobule, artwork
Pulmonary lobule. Computer artwork of a section through an area of lung tissue. A pulmonary lobule is a unit of lung tissue that includes a bronchiole, alveolar ducts, sacs, and alveoli

Emphysema, artwork
Emphysema. Artwork showing the lungs with a detailed view of a normal alveolus (air sac, left) and an alveolus affected by emphysema (right)

Respiratory anatomy, artwork
Respiratory anatomy. Computer artwork showing the structure of the human respiratory system, including the lungs (left and right), larynx (voicebox, upper centre) and trachea (windpipe, purple)

Fibrosing alveolitis, X-ray
Fibrosing alveolitis. Coloured X-ray of the chest of an 82-year-old man with fibrosing alveolitis. Also known as idiopathic pulmonary fibrosis and cryptogenic fibrosing alveolitis

Lung blood vessel nerves, 1844 artwork
Lung blood vessel nerves. This anatomical artwork is figure 4, plate 96 from volume 3 (1844) of Traite complet de l anatomie de l homme (1831-1854)

Respiratory tract, artwork
Respiratory tract. Computer artwork showing the various stages and structures of the human respiratory tract. Air is drawn in through the oral and/or nasal cavities, and passes down the trachea

Lung alveolus, artwork
Lung alveolus, computer artwork. Alveoli are the site of gas exchange in the lungs of mammals, where oxygen is taken up and carbon dioxide released

Human lungs. Anatomical artwork of the human lungs and respiratory system. The heart (which has been removed here) is located between the lungs

Bronchus and bronchioles, artwork
Bronchus and bronchioles. Artwork of the anatomical structure of the bronchi and their bronchioles, the main aspects of the respiratory system

Lung alveoli and red blood cells, TEM
Lung alveoli and red blood cells. Coloured transmission electron micrograph (TEM) of a section through lung alveoli (blue) and red blood cells (red)

Lung alveoli and blood cells, TEM
Lung alveoli and blood cells. Coloured transmission electron micrograph (TEM) of a section through lung alveoli and blood cells

Lung bronchus cross-section, SEM
Lung bronchus cross-section, coloured scanning electron micrograph (SEM). This longitudinal freeze-fracture has exposed the inner epithelial surface of a bronchus (brown)

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Alveoli, the tiny air sacs in our lungs, play a vital role in respiration. These grape-like structures are responsible for the exchange of oxygen and carbon dioxide between the bloodstream and the air we breathe. In healthy human lungs, alveoli form a complex network that allows efficient gas exchange. When viewed under a light micrograph, lactating breast tissue exhibits an intriguing resemblance to lung alveoli. This similarity highlights nature's remarkable ability to create specialized structures for different functions. However, not all it can healthy. In diseased lungs, such as those affected by bacterial infections or other respiratory conditions, these delicate sacs can become inflamed and damaged. The resulting impairment in their function can lead to breathing difficulties and reduced oxygen supply to the body. Artwork depicting lung alveoli anatomy showcases their intricate structure within our respiratory system. It emphasizes how these small but mighty units contribute to our overall well-being by ensuring proper gas exchange during each breath we take. Scanning electron microscopy (SEM) images provide detailed views of various aspects related to alveoli. From SEM images of lung alveoli themselves to blood vessels within the lung tissue, these visuals offer insights into their microscopic features and interactions with surrounding components. Understanding the importance of maintaining healthy alveolar function is crucial for preventing respiratory complications and promoting overall lung health.