Specialised cells in the nasal cavity involved in smell and taste
Olfactory epithelial cell
Squamous epithelial cells found in the alveolar sac.
Type I pneumocyte
The cells of the pulmonary capillaries which contribute to the blood-air barrier.
A small area of infection at the periphery of the mid-zone of the lung, seen in tuberculosis
Often opportunistic, these organisms tend to affect immunocompromised patients and are usually caused by inhaled spores or reactivation of latent disease
A lung mass that may mimic a tumour, created in an attempt to wall off a pathogen or foreign body. Involves macrophages and may have a necrotic core
Provides motor innervation to the intercostal muscles and anterolateral abdominal wall muscles
Provides motor innervation to the soft palate and intrinsic laryngeal muscles
Vagus Nerve CN X
Stimulation triggers a reflex cough response
Glossopharyngeal nerve CN XI and vagus nerve CN X
The stage of lung maturation that takes place between 6-16 weeks' gestation. It involves the development of multiple branches of the bronchial tree down to the level of the terminal bronchioles.
The stage of lung maturation that takes place between 26 days' and 6 weeks' gestation. It involves the first stages of lung development, and sees the formation of the lungs' lobes and segments
The germ layer that forms the cartilage and smooth muscle in the thorax.
The structure that is seen to develop by 28 days' gestation, found inferior to the trachea.
The stage of lung maturation that takes place between 36 weeks' gestation and early childhood and involves further maturation of the alveoli.
Widespread infection throughout the lung, seen where the organism has spread via the bloodstream
A focus of infection with a fibrous wall, making antibiotic treatment difficult
A lung mass that is a primary pulmonary condition that can cause systemic effects and B symptoms, and can metastasise
Provides motor innervation to the diaphragm
Innervate the abdominal wall with somatic sensory, somatic motor and sympathetic nerve supply
A phagocytic cell that migrates up the bronchial tree and is eventually swallowed. Also known as a dust cell.
The majority cell type lining the terminal bronchioles.
Cuboidal epithelial cell
An immunologically active cell recruited to the lungs in the later stages of inflammation
An infection affecting the distal airspaces, usually accompanies by an inflammatory exudate causing consolidation
Fixed dilatation of the bronchi, usually as a result of scarring or distal to a chronic obstruction. Causes the accumulation of purulent secretions
A collection of pus in the pleural space, which can be seen on a chest X-ray as a D-shaped abnormality
The initial stage in tumour development where cells gross appearance and histological findings are altered but there is no malignancy
A tumour which produces keratin pearls, and may produce thyroid transcription factor.
A lung cancer which is only treated by chemotherapy but may become rapidly resistant to treatment.
Small cell lung cancer
A mucus-producing cell found within respiratory epithelium.
A non-ciliated cell found in terminal bronchioles. Acts as an immune modulator and stem cell and is able to produce surfactant