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The left lung is divided into two lobes, an upper and a lower, by the oblique fissure, which extends from the costal to the mediastinal surface of the lung both above and below the hilus. Image File history File links No higher resolution available. ...
Image File history File links Metadata No higher resolution available. ...
In the lung, the oblique fissure (or major fissure) separates the inferior lobe of either lung from the remainder of the lung. ...
Above and behind the cardiac impression is a triangular depression named the hilum, where the structures which form the root of the lung enter and leave the viscus. ...
The mediastinal surface of the lung presents a deep concavity, the cardiac impression, which accommodates the pericardium; this is larger and deeper on the left lung than on the right lung, on account of the heart projecting farther to the left than to the right side of the median plane. ...
The diaphragmatic surface of lung is the portion of the lung which borders on the thoracic diaphragm. ...
Latin is an ancient Indo-European language originally spoken in Latium, the region immediately surrounding Rome. ...
In the lung, the oblique fissure (or major fissure) separates the inferior lobe of either lung from the remainder of the lung. ...
The human rib cage. ...
The mediastinal surface of the lung is in contact with the mediastinal pleura. ...
Above and behind the cardiac impression is a triangular depression named the hilum, where the structures which form the root of the lung enter and leave the viscus. ...
As seen on the surface, this fissure begins on the mediastinal surface of the lung at the upper and posterior part of the hilus, and runs backward and upward to the posterior border, which it crosses at a point about 6 cm. below the apex. The mediastinal surface of the lung is in contact with the mediastinal pleura. ...
The posterior border of the lung is broad and rounded, and is received into the deep concavity on either side of the vertebral column. ...
The apex of the lung is rounded, and extends into the root of the neck, reaching from 2. ...
It then extends downward and forward over the costal surface, and reaches the lower border a little behind its anterior extremity, and its further course can be followed upward and backward across the mediastinal surface as far as the lower part of the hilus.
Lobes
The superior lobe lies above and in front of this fissure, and includes the apex, the anterior border, and a considerable part of the costal surface and the greater part of the mediastinal surface of the lung.
The inferior lobe, the larger of the two, is situated below and behind the fissure, and comprises almost the whole of the base, a large portion of the costal surface, and the greater part of the posterior border. by: Ben Dover
Impressions On the mediastinal surface, immediately above the hilus, is a well-marked curved furrow produced by the aortic arch, and running upward from this toward the apex is a groove accommodating the left subclavian artery; a slight impression in front of the latter and close to the margin of the lung lodges the left innominate vein. For the embryological structure, see Aortic arches. ...
The subclavian artery is a major artery of the upper thorax that mainly supplies blood to the head and arms. ...
The left and right brachiocephalic veins (or innominate veins) in the upper chest are formed by the union of each corresponding internal jugular vein and subclavian vein. ...
Behind the hilus and pulmonary ligament is a vertical furrow produced by the descending aorta, and in front of this, near the base of the lung, the lower part of the esophagus causes a shallow impression. The descending aorta is divided into two portions, the thoracic and abdominal, in correspondence with the two great cavities of the trunk in which it is situated. ...
The esophagus (also spelled oesophagus/Å“sophagus, Greek ), or gullet is an organ in vertebrates which consists of a muscular tube through which food passes from the pharynx to the stomach. ...
Additional images Anatomy of lungs. Image File history File links Lungs_anatomy. ...
| Front view of heart and lungs. Image File history File links Gray490. ...
| Transverse section of thorax, showing relations of pulmonary artery. Image File history File links Gray503. ...
| The position and relation of the esophagus in the cervical region and in the posterior mediastinum. Seen from behind. Image File history File links Gray1032. ...
| The thymus of a full-time fetus, exposed in situ. Image File history File links Gray1178. ...
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See also According to most sources, there is no middle lobe in the left lung as there is in the right lung. ...
The right lung is divided into three lobes, superior, middle, and inferior, by two interlobular fissures: // One of these, the oblique fissure, separates the inferior from the middle and superior lobes, and corresponds closely with the fissure in the left lung. ...
External links This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant. The Collaborative Hypertext of Radiology (or CHORUS) is a reference database that is free of use. ...
The State University of New York Health Science Center at Brooklyn, better known as SUNY Downstate Medical Center, is an academic medical center and is the only one of its kind in the Borough of Brooklyn in New York City. ...
Elseviers logo. ...
GPnotebook is a British medical database for general practitioners (GPs. ...
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The Respiratory System Among four-legged animals, the respiratory system generally includes tubes, such as the bronchi, used to carry air to the lungs, where gas exchange takes place. ...
The public domain comprises the body of all creative works and other knowledge—writing, artwork, music, science, inventions, and others—in which no person or organization has any proprietary interest. ...
An illustration from the 1918 edition Henry Grays Anatomy of the Human Body (or Grays Anatomy as it has more commonly become known) is an anatomy textbook widely regarded as a classic work on human anatomy. ...
| Anatomy of torso, respiratory system: Lungs and related structures | | lungs | right • left • lingula • apex • base • root • cardiac notch • cardiac impression • hilum • borders (anterior, posterior, inferior) • surfaces (costal, mediastinal, diaphragmatic) • fissures (oblique, horizontal) List of bones of the human skeleton Human anatomy is primarily the scientific study of the morphology of the adult human body. ...
The human torso Torso is an anatomical term for the greater part of the human body without the head and limbs. ...
The Respiratory System Among four-legged animals, the respiratory system generally includes tubes, such as the bronchi, used to carry air to the lungs, where gas exchange takes place. ...
The human lungs are the human organs of respiration. ...
The human lungs are the human organs of respiration. ...
The right lung is divided into three lobes, superior, middle, and inferior, by two interlobular fissures: // One of these, the oblique fissure, separates the inferior from the middle and superior lobes, and corresponds closely with the fissure in the left lung. ...
According to most sources, there is no middle lobe in the left lung as there is in the right lung. ...
The apex of the lung is rounded, and extends into the root of the neck, reaching from 2. ...
The base of the lung is broad, concave, and rests upon the convex surface of the diaphragm, which separates the right lung from the right lobe of the liver, and the left lung from the left lobe of the liver, the stomach, and the spleen. ...
A little above the middle of the mediastinal surface of each lung, and nearer its posterior than its anterior border, is its root, by which the lung is connected to the heart and the trachea. ...
The anterior border of the right lung is almost vertical, and projects into the costomediastinal sinus; that of the left lung presents, below, an angular notch, the cardiac notch, in which the pericardium is exposed. ...
The mediastinal surface of the lung presents a deep concavity, the cardiac impression, which accommodates the pericardium; this is larger and deeper on the left lung than on the right lung, on account of the heart projecting farther to the left than to the right side of the median plane. ...
Above and behind the cardiac impression is a triangular depression named the hilum, where the structures which form the root of the lung enter and leave the viscus. ...
The anterior border of the lung is thin and sharp, and overlaps the front of the pericardium. ...
The posterior border of the lung is broad and rounded, and is received into the deep concavity on either side of the vertebral column. ...
The inferior border of the lung is thin and sharp where it separates the base from the costal surface and extends into the phrenicocostal sinus; medially where it divides the base from the mediastinal surface it is blunt and rounded. ...
The costal surface of the lung (external or thoracic surface) is smooth, convex, of considerable extent, and corresponds to the form of the cavity of the chest, being deeper behind than in front. ...
The mediastinal surface of the lung is in contact with the mediastinal pleura. ...
The diaphragmatic surface of lung is the portion of the lung which borders on the thoracic diaphragm. ...
In the lung, the oblique fissure (or major fissure) separates the inferior lobe of either lung from the remainder of the lung. ...
The horizontal fissure of right lung (or transverse fissure) is a fissure separating the superior lobe from the inferior lobe. ...
| | conducting zone | trachea • carina • bronchi • main bronchus (right, left) • lobar/secondary bronchi (eparterial bronchus) • segmental/tertiary bronchi (bronchopulmonary segment) • bronchiole • terminal bronchiole The conducting zone of the respiratory system is made up of the trachea, bronchi, bronchioles, and terminal bronchioles. ...
The trachea, or windpipe, is a tube that has an inner diameter of about 12mm and a length of about 10-16cm. ...
In anatomy, the carina is a cartilaginous ridge in the sagittal plane of the trachea where it splits into the two primary bronchi. ...
A bronchus (plural bronchi, adjective bronchial) is a caliber of airways in the the respiratory tract that conducts air into the lungs. ...
The Respiratory system is a very important part of the human body. ...
The left main bronchus (or left primary bronchus, or left principal bronchus) is smaller in caliber but longer than the right, being nearly 5 cm long. ...
Secondary bronchi (also known as lobar bronchi) arise from the primary bronchi, with each one serving as the airway to a specific lobe of the lung. ...
The right bronchus gives off, about 2. ...
The tertiary bronchi (also known as the segmental bronchi) arise from the secondary bronchi. ...
Each of the tertiary bronchi serves a specific bronchopulmonary segment. ...
The bronchioles are the first airway branches that no longer contain cartilage. ...
A terminal bronchiole is a bronchiole at the end of the conducting zone. ...
| | respiratory zone | respiratory bronchiole • alveolar duct • alveolus • alveolar-capillary barrier The respiratory zone is the site of O2 and CO2 exchange with the blood. ...
The bronchioles are the first airway branches that no longer contain cartilage. ...
Alveolar ducts are the tiny end tubules of the branching airways that fill the lungs. ...
Detailed drawing of the alveoli from Grays Anatomy, 1918 - Schematic longitudinal section of a primary lobule of the lung (anatomical unit); r. ...
This article or section does not cite its references or sources. ...
| | pleurae | parietal pleura (cervical, costal, mediastinal, diaphragmatic) • pulmonary pleura • pulmonary ligament • recesses (costomediastinal, costodiaphragmatic) The lungs are surrounded by two membranes, the pleurae. ...
The portion of the pleura external to the pulmonary pleura lines the inner surface of the chest wall, covers the diaphragm, and is reflected over the structures occupying the middle of the thorax; this portion is termed the parietal pleura. ...
Different portions of the parietal pleura have received special names which indicate their position: thus, that which rises into the neck, over the summit of the lung, is the cupula of the pleura (cervical pleura). ...
Different portions of the parietal pleura have received special names which indicate their position: thus, that portion which lines the inner surfaces of the ribs and Intercostales is the costal pleura. ...
Different portions of the parietal pleura have received special names which indicate their position: thus, that portion which lines the inner surfaces of the ribs and Intercostales is the costal pleura; that clothing the convex surface of the diaphragm is the diaphragmatic pleura; that which rises into the neck, over...
Different portions of the parietal pleura have received special names which indicate their position: that clothing the convex surface of the diaphragm is the diaphragmatic pleura. ...
Each lung is invested by an exceedingly delicate serous membrane, the pleura, which is arranged in the form of a closed invaginated sac. ...
The root of the lung is covered in front, above, and behind by pleura, and that at its lower border the investing layers come into contact. ...
The costomediastinal recess is a potential space at the border of the mediastinal pleura and the costal pleura. ...
In the pleural cavity, the costodiaphragmatic recess is a potential space at the posteriormost tips of the cavity, located at the junction of the costal pleura and diaphragmatic pleura. ...
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