Apr 20, 2024 · The lung has an apex, base, 3 surfaces, and 3 borders. The apex lies above the 1st rib and is covered by the cervical pleura. The base is the lung's concave inferior surface resting on the diaphragm.

Feb 4, 2025 · The lungs are roughly cone shaped, with an apex, base, three surfaces and three borders. The left lung is slightly smaller than the right – this is due to the presence of the heart. Each lung consists of: Apex – The blunt superior end of the lung. It projects upwards, above the level of the 1st rib and into the floor of the neck.

Jun 22, 2021 · Lung. The lung like half a cone in shape; has an apex, a bass, three borders (anterior-posterior and inferior), and two surfaces (Medial and costal). The lungs extract oxygen from the atmosphere and transfer it into the bloodstream, and release carbon dioxide from the bloodstream into the atmosphere, in a process of gas exchange.

Nov 21, 2023 · Each lung is characterized by an apex, a base, costal, medial and diaphragmatic surfaces, and anterior, posterior and inferior borders. The organs are roughly conical in shape and are divided by fissures into lobes .

Each lung has a base resting on the diaphragm and an apex extending superiorly to a point approximately 2.5 cm superior to the clavicle. It also has a medial surface and with three borders- anterior, posterior and inferior.

BORDERS ANTERIOR BORDER – 1. Corresponds to the anterior (Costomediastinal) line of pleural reflection. 2. It is deeply notched in the left lung posterior to 5th costal cartilage by the pericardium costal cartilage by the pericardium and extends vertically downwards to form Lingula. This is called cardiac notch(percussion in this area gives a ...

The lungs are pyramid-shaped, paired organs that are connected to the trachea by the right and left bronchi; on the inferior surface, the lungs are bordered by the diaphragm. The diaphragm is the flat, dome-shaped muscle located at the base of the lungs and thoracic cavity.

Aug 8, 2018 · Surface Markings of Lungs: Borders. The anterior border of the left lung has a distinctive notch (the cardiac notch), which enters laterally behind the 4th and 5th intercostal spaces. Its lower end ends at the level of spine of T10 vertebra.

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.

Jan 1, 2018 · On each side, the borders of the lung can be divided into: An article from the surgery section of Primary Care Notebook: Lung borders (anatomy).