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Passageways by which air passes through the nose or mouth to the alveoli of the lungs
The bronchioles (/ˈbrɑːŋkioʊls/ BRONG-kee-ohls) are the smaller branches of the bronchial airways in the lower respiratory tract. They include the terminal
Bronchiole
Structure of the respiratory system
tertiary (segmental) bronchi, that branch into smaller airways called bronchioles that eventually connect with tiny specialized structures called alveoli
Respiratory_tract
Primary organ of the respiratory system
membranous bronchioles. The conducting zone of the respiratory tract ends at the terminal bronchioles when they branch into the respiratory bronchioles. This
Lung
Biological system in animals and plants for gas exchange
smaller tubes known as the bronchioles in mammals and reptiles. In birds, the bronchioles are termed parabronchi. The bronchioles, or parabronchi, generally
Respiratory_system
Hollow cavity found in the lungs
located in the respiratory bronchioles that mark the beginning of the respiratory zone. They are located sparsely in these bronchioles, line the walls of the
Pulmonary_alveolus
Lung disease
lesions are 2–4 cm in diameter, grey-yellow, dry, often centered on a bronchiole, poorly delimited, and with the tendency to confluence, especially in
Bronchopneumonia
Constriction of the terminal airways in the lungs
and bronchioles). Air flow in air passages can get restricted in three ways: a spasmodic state of the smooth muscles in bronchi and bronchioles an inflammation
Bronchoconstriction
Mammals of the family Leporidae
narrow and numerous branches. The bronchi branch into bronchioles, into respiratory bronchioles, and ultimately terminate at the alveolar ducts. The branching
Rabbit
Chronic lung condition
(centrilobular) in the lung, the area around the terminal bronchiole and the first respiratory bronchiole, and can be seen on imaging as an area around the tip
Emphysema
Cell type
columnar/cuboidal cells with short microvilli, found in the small airways (bronchioles) of the lungs. They were formerly known as Clara cells. Club cells are
Club_cell
Process of moving air in and out of the lungs
Larger conducting airways branch repeatedly into smaller bronchi and bronchioles; in humans there are on average about 23 branching generations. Proximal
Breathing
Disease of the respiratory system
conditions of the respiratory tract including the trachea, bronchi, bronchioles, alveoli, pleurae, pleural cavity, the nerves and muscles of respiration
Respiratory_disease
Medical condition
the lumen of the bronchiole by mucoid exudate, goblet cell metaplasia, epithelial basement membrane thickening and severe inflammation of bronchiole.
Pathophysiology_of_asthma
Path by which a drug, fluid, poison, or other substance is taken into the body
(conducting zone) conducting bronchiole (conducting zone) terminal bronchiole (conducting zone) respiratory bronchiole (transitional respiratory zone)
Route_of_administration
Protein-coding gene in the species Homo sapiens
expressed in lung pulmonary alveolar epithelium alveolar duct bronchiole epithelium of bronchiole granulocyte morula zygote heart yolk sac More reference expression
Surfactant_protein_B
Part of the throat that is behind the mouth and nasal cavity
includes the nostrils of the nose, the larynx, trachea, bronchi, and bronchioles—filters, warms, and moistens air and conducts it into the lungs). The
Pharynx
Pattern seen in radiologic examinations
sign is a nonspecific imaging finding that implies impaction within bronchioles, the smallest airway passages in the lung. The differential for this
Tree-in-bud_sign
Donor lung preservation technique
Atelectasis: normal vs. blocked bronchiole
Ex_vivo_lung_perfusion
Airway in the respiratory tract
bronchi, when too narrow to be supported by cartilage, are known as bronchioles. No gas exchange takes place in the bronchi. The trachea (windpipe) divides
Bronchus
Disease of the lung
the bronchioles. While similar to bronchiectasis which affects the larger airways, bronchiolectasis affects the smaller airways, the bronchioles. It is
Bronchiolectasis
Inflammatory lung disease
progressive form of bronchiolitis, an inflammatory condition of the bronchioles (small air passages in the lungs). The term diffuse signifies that lesions
Diffuse_panbronchiolitis
Blockage in the respiratory system
throat, and larynx. The lower airway comprises the trachea, bronchi, and bronchioles.[page needed] Airway obstruction is a life-threatening condition and
Airway_obstruction
Malignant tumor characterized by uncontrolled cell growth in lung tissue
H&E stained samples from lung biopsies: (Top-left) Normal bronchiole surrounded by alveoli, (top-right) adenocarcinoma with papillary (finger-like) growth
Lung_cancer
System of alveolar ventilation
adjacent alveoli (pores of Kohn), between bronchioles and alveoli (canals of Lambert), and those between bronchioles (channels of Martin). Collateral ventilation
Collateral_ventilation
Antibiotic
difficile-associated diarrhea. The inhaled form may result in constriction of the bronchioles. It is unclear if use during pregnancy is safe for the fetus. Colistin
Colistin
Lower respiratory tract disease that affects the airways leading into the lungs
bronchial spasm is a sudden constriction of the muscles in the walls of the bronchioles. It is caused by the release (degranulation) of substances from mast
Bronchospasm
Involuntary non-striated muscle
they vasodilate to high oxygen tension and vasoconstrict when it falls. Bronchiole, smooth muscle that line the airways of the lung, respond to high carbon
Smooth_muscle
Drug which widens the lung airways
secretory inhibition as well) is a substance that dilates the bronchi and bronchioles, decreasing resistance in the respiratory airway and increasing airflow
Bronchodilator
Tissue type
Simple ciliated cuboidal cells are also present in the respiratory bronchioles. Germinal cuboidal epithelial lines the ovaries and seminiferous tubules
Simple_cuboidal_epithelium
Obstruction of the lungs' small airways (bronchioles) due to inflammation
disease that results in obstruction of the smallest airways of the lungs (bronchioles) due to inflammation. Symptoms include a dry cough, shortness of breath
Bronchiolitis_obliterans
Reflex
(epithelium) of the respiratory tract are also sensitive to chemicals. Terminal bronchioles and even the alveoli are sensitive to chemicals such as sulfur dioxide
Cough_reflex
Long-term inflammatory disease of the airways of the lungs
pollen, dust, or other particles are inhaled into the lungs, causing the bronchioles to constrict and produce mucus, which then restricts oxygen flow to the
Asthma
Permanent enlargement of the lung airways
permanent abnormal dilation and destruction of the major bronchi and bronchiole walls. Disordered neutrophil function is believed to play a role in the
Bronchiectasis
Central part of the adrenal gland
vessel constriction in the skin and gastrointestinal tract, smooth muscle (bronchiole and capillary) dilation, and increased metabolism, all of which are characteristic
Adrenal_medulla
Division of the nervous system supplying internal organs, smooth muscle and glands
enhanced (by as much as 1200% in the case of skeletal muscles) Dilates bronchioles of the lung through circulating epinephrine, which allows for greater
Autonomic_nervous_system
Inflammation of the bronchioles and surrounding tissue in the lungs
bronchiolitis obliterans organizing pneumonia (BOOP), is an inflammation of the bronchioles (bronchiolitis) and surrounding tissue in the lungs. It is a form of
Cryptogenic organizing pneumonia
Cryptogenic_organizing_pneumonia
Class of inflammation mediator molecules
leukotriene D4) is to trigger contractions in the smooth muscles lining the bronchioles; their overproduction is a major cause of inflammation in asthma and
Leukotriene
Medical condition
Chalicosis is a form of pneumoconiosis affecting the lungs or bronchioles, found mainly among stonecutters. The disease is caused by the inhalation of
Chalicosis
Secretion produced by mucous membranes
is in the form of strands. In the airways—the trachea, bronchi, and bronchioles—the lining of mucus is produced by specialized airway epithelial cells
Mucus
Inflammation of the small airways in the lungs
Bronchiolitis is inflammation of the small airways also known as the bronchioles in the lungs. Acute bronchiolitis is caused by a viral infection, usually
Bronchiolitis
Related to the physiology and pathology of asthma
state characterised by easily triggered bronchospasm (contraction of the bronchioles or small airways). Bronchial hyperresponsiveness can be assessed with
Bronchial_hyperresponsiveness
Category of respiratory disease characterized by airway obstruction
result from narrowing (obstruction) of the smaller bronchi and larger bronchioles, often because of excessive contraction of the smooth muscle itself.
Obstructive_lung_disease
the volume in the lungs at which its smallest airways, the respiratory bronchioles, collapse. It is defined mathematically as the sum of the closing volume
Closing_capacity
Partial collapse of a lung causing reduced gas exchange
risk. Outside of this context, atelectasis implies some blockage of a bronchiole or bronchus, which can be within the airway (foreign body, mucus plug)
Atelectasis
Human protein
pancreas human kidney spleen Top expressed in spermatocyte epithelium of bronchiole seminiferous tubule urethra spermatid Gonadal ridge mucosa of large intestine
Protein_C_inhibitor
Radiologic sign indicating pulmonary fibrosis (lung scarring)
composed of fibrous tissue. Dilated and thickened terminal and respiratory bronchioles produce cystic airspaces, giving a honeycomb appearance on chest x-rays
Honeycombing
transitioned to nocturnality, evolving nocturnal features, pulmonary alveoli, bronchioles and a developed diaphragm for a larger surface area for breathing, enucleated
Evolution_of_mammals
Polymer
and inhaled, it harms the lungs, causing death of the cells lining the bronchioles and widespread damage to alveoli, along with bronchiolitis obliterans
Polyhexamethylene_guanidine
Mechanical ventilation in which airway pressure is always above atmospheric pressure
the lungs—thus less work is required from the respiratory muscles. The bronchioles and alveoli are prevented from collapsing at the end of expiration. If
Positive_airway_pressure
Part of the autonomic nervous system that stimulates fight-or-flight responses
Dilates pupil Heart Increases rate and force of contraction Lungs Dilates bronchioles via circulating adrenaline Blood vessels Dilates in skeletal muscle,
Sympathetic_nervous_system
Taxonomic group of semi-aquatic mammals
During deep dives, any remaining air in their lungs is shifted to the bronchioles and trachea, which stops gas exchange with the blood, and thereby prevents
Pinniped
Protein-coding gene in the species Homo sapiens
ovary Top expressed in calvaria body of femur habenula epithelium of bronchiole stroma of bone marrow dermis genital tubercle olfactory tubercle hair
Neuropilin_2
Topics referred to by the same term
Mucus plug may refer to: plugging of the bronchioles by mucus Cervical mucus plug This disambiguation page lists articles associated with the title Mucus
Mucus_plug
Study of production, transmission and perception of speech
The cartilaginous passageways (the bronchi and bronchioles) of the lungs.
Speech_science
Protein-coding gene in the species Homo sapiens
surface of tongue left lung left lung lobe decidua trachea esophagus bronchiole embryo blastocyst More reference expression data BioGPS More reference
Uteroglobin
Human DNA protein
expressed in spermatid spermatocyte seminiferous tubule epithelium of bronchiole spermatogonium medial ganglionic eminence embryo embryo Jacobson's organ
STK33
Entry of materials into the larynx (voice box) and lower respiratory tract
Histopathology of aspiration, taken from an autopsy, showing plant-like cells in a bronchiole. However, alveoli were clear, indicating a finding secondary to cardiopulmonary
Pulmonary_aspiration
Class of G protein-coupled receptors
urothelium and lamina propria bronchioles (although minor relative to the relaxing effect of β2 receptor on bronchioles) blood vessels of ciliary body
Adrenergic_receptor
Subtle energy channels described in yoga and Tantra
bodily fluids around and are similar to the arteries, veins, capillaries, bronchioles, nerves, lymph canals and so on. In the subtle and the causal body, the
Nadi_(yoga)
Pneumoconiosis caused by inhalation and retention of asbestos fibers
Asbestosis is the scarring of lung tissue (beginning around terminal bronchioles and alveolar ducts and extending into the alveolar walls) resulting from
Asbestosis
One of several species of Ascaris
alveoli. The juvenile worms then migrate from the alveoli, through the bronchioles and bronchi, and into the trachea. An acute inflammatory reaction can
Ascaris_lumbricoides
Biological process that causes an organism to develop its shape
morphogenesis. In the development of the lung a bronchus branches into bronchioles forming the respiratory tree. The branching is a result of the tip of
Morphogenesis
Protein-coding gene in the species Homo sapiens
however further differentiation does not occur. Also the distal-proximal bronchiole development is affected, resulting in a reduced quantity of airway exchange
GATA6
Mesentery Pancreas Respiratory Nasal cavity Pharynx Larynx Trachea Bronchi Bronchioles and smaller air passages Lungs Muscles of breathing Urinary Kidneys Ureter
List of organs of the human body
List_of_organs_of_the_human_body
Medical condition
causes pulmonary edema and pneumonitis leading to the inflammation of the bronchioles and pulmonary alveolus resulting from lipid peroxidation and oxidative
Nitrogen_dioxide_poisoning
Organic chemical compound (CH3CO)2
life-threatening form of non-reversible obstructive lung disease in which the bronchioles (small airway branches) are compressed and narrowed by fibrosis (scar
Diacetyl
Lung inflammation due to repeated inhalation of antigens
reaction causing inflammation of the airspaces (alveoli) and small airways (bronchioles) within the lung. Hypersensitivity pneumonitis may eventually lead to
Hypersensitivity_pneumonitis
Lung disease involving long-term poor airflow
Beta2–adrenergic agonists target receptors in the smooth muscle cells in bronchioles, causing them to relax and allow improved airflow. They reduce shortness
Chronic obstructive pulmonary disease
Chronic_obstructive_pulmonary_disease
Chemical compound
used for anesthesia and as a bronchodilator (to dilate the bronchi and bronchioles for more airflow). In combination with pholcodine, it was sold in France
Pimethixene
Medical condition
interest into establishing connections of cardiac asthma to abnormalities in bronchiole anatomy. Current evaluation has proposed multiple mechanisms for increased
Cardiac_asthma
Type of organic compounds
resulting in excess accumulation. Its profusion increases the risk for bronchiole constriction of the lungs or the hepatic veins, leading to anaphylactic
Histamine_liberators
Mechanism in the respiratory system
alveolar space. In the respiratory tract, from the trachea to the terminal bronchioles, the lining is of respiratory epithelium that is ciliated. The cilia
Mucociliary_clearance
Medical condition
(BAC)—is a subtype of lung adenocarcinoma. It tends to arise in the distal bronchioles or alveoli and is defined by a non-invasive growth pattern. This small
Adenocarcinoma in situ of the lung
Adenocarcinoma_in_situ_of_the_lung
Epithelial cells that secrete mucins
respiratory tracts. They are found inside the trachea, bronchi, and larger bronchioles in the respiratory tract, small intestines, the large intestine, and
Goblet_cell
Species of virus
cells will become more rounded and ultimately slough into the smaller bronchioles of the lower airway. This sloughing mechanism is also thought to be responsible
Respiratory_syncytial_virus
Air quality within and around buildings and structures
(fine particulate matter, especially PM2.5 and PM10) which get into the bronchioles and alveoles in the lung. Inhaling secondhand smoke on multiple occasions
Indoor_air_quality
Chemical compound
relaxes the smooth muscles present continuously around the bronchi and bronchioles facilitating the flow of air through them. Bitolterol is a prodrug of
Bitolterol
Mucus produced by the respiratory system (excluding the nasal passages)
Hay fever, asthma: In hay fever and asthma, the inner lining in the bronchioles becomes inflamed and creates an excess amount of phlegm that can clog
Phlegm
Drug class
emotions of stress and acute anxiety. Responses such as dilatation of bronchioles and pupils, increased heart rate and kidney renin secretion, constricted
Selective norepinephrine reuptake inhibitor
Selective_norepinephrine_reuptake_inhibitor
Rain that is unusually acidic
Water-soluble nitrogen dioxide accumulates in the tiny lung airways (bronchioles), where it is transformed into nitric and nitrous acids, causing damage
Acid_rain
Medicine for respiratory diseases
repeated or constant irritation and inflammation in the lining of airways. Bronchioles thus, lose their shape and become clogged with mucus. These conditions
Tedral
All Latin and Greek roots beginning with G
bronch- windpipe Greek βρόγχος (brónkhos), βρόγχια (brónkhia) bronchia, bronchiole, bronchion, bronchitis, bronchomalacia, bronchopneumonia, bronchus,
List of Greek and Latin roots in English/A–G
List_of_Greek_and_Latin_roots_in_English/A–G
Biological system by which a horse circulates air for the purpose of gaseous exchange
size. The bronchi then branch into smaller bronchioles, which in turn branch off into smaller bronchioles until they reach the alveoli (which absorb oxygen
Respiratory system of the horse
Respiratory_system_of_the_horse
Injury due to pressure difference between gas filled space and adjoining tissue
bubbles escaping from a ruptured lung can travel along the outside of bronchioles and blood vessels until they reach the mediastinal cavity round the heart
Barotrauma
Medical condition
mineral dust causing fibrosis and narrowing of primarily the respiratory bronchioles. It is a part of a group of disorders known as pneumoconioses which is
Mineral_dust_airway_disease
Suspension of fine solid particles or liquid droplets in a gas
deeper within the respiratory tract (from the trachea to the terminal bronchioles), or in the alveolar region. The location of deposition of aerosol particles
Aerosol
left, of the brain with functions linked to speech production. Bronchiole – The bronchioles or bronchioli are the passageways by which air passes through
Glossary_of_medicine
Chemical compound
pulmonary conducting airways. In such instances, the smaller bronchi and bronchioles could potentially become surrounded by inflammatory cells and necrotic
Arsine
List of Human Epithelia
columnar, ciliated respiratory terminal bronchioles Simple cuboidal, ciliated respiratory respiratory bronchioles Simple cuboidal, ciliated - respiratory
Table of epithelia of human organs
Table_of_epithelia_of_human_organs
epithelium Endoderm SFTPC, SFTPB Club cell Endodermal epithelial progenitor Bronchioles Secretes protective proteins and metabolizes xenobiotics Exocrine secretory
List_of_human_cell_types
Medical condition
pneumonia affects the lungs in patches around the tubes (bronchi or bronchioles). Interstitial pneumonia involves the areas in between the alveoli, and
Classification_of_pneumonia
Scarring of the lungs
traction bronchiectasis; or bronchiolectasis (dilatation of the terminal bronchioles) Predominantly subpleural and basal Often heterogenous distribution,
Usual_interstitial_pneumonia
Microscopic solid or liquid matter suspended in the Earth's atmosphere
than 2.5 micrometers, can penetrate deep into the lungs, reaching the bronchioles and alveoli. They are associated with chronic rhinosinusitis, respiratory
Particulate_matter
Species of prokaryote
pseudomembrane can grow on the pharynx, larynx, trachea, and bronchi/bronchioles. The pseudomembrane starts off white in colour and then later becomes
Corynebacterium_diphtheriae
surgery – Brief Pain Inventory – BRIP1 – Brivudine – BRM – Bromelain – Bronchiole – Bronchitis – Bronchoscope – Bronchoscopy – Bronchus – Brostallicin –
Index_of_oncology_articles
Protein-coding gene in the species Homo sapiens
trachea left lung left lung lobe epithelium of bronchus epithelium of bronchiole external carotid artery atrioventricular valve main bronchus More reference
SCGB3A2
Sympathomimetic agent
methamphetamine as a central stimulant, it is more powerful in dilating bronchioles and increasing blood pressure and heart rate. "Phenylpropanolamine".
Phenylpropanolamine
Protein-coding gene in humans
gland morphogenesis positive regulation of white fat cell proliferation bronchiole morphogenesis limb morphogenesis blood vessel morphogenesis lung development
FGF10
Measure of the transfer of gas from the lung to red blood cells
means inspired air must pass through the mouth, trachea, bronchi and bronchioles (anatomical dead space) before it gets to the alveoli where gas exchange
Diffusing_capacity
book lung – botany – bottleneck effect – Bowman capsule – brain stem – bronchiole – Brønsted acid – Brønsted base – Brownian movement – bryophyte – bubonic
Index_of_biology_articles
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