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Chapter 3 Chest Note

What is the Chest/Thorax the upper portion of the truck between the neck and stomach
Three sections that the chest is divided into? Bony thorax,respiratory system proper, and ,mediastinum
What is the Bony Thorax? part of the skeletal system that provides a protective framework
Thoracic Viscera Term used to describe parts of the chest consisting of lungs and the organs contained in the mediastinum
sternum breastbone
Bones that make up the sternum body,xiphoid process and manubrium
Bones that make up the bony thorax two clavicles, two scapula, twelve pair of ribs and twelve vertebrae.
Chest positioning landmarks vertebra prominens (seventh cervical vertebra) and jugular notch (deep notch on superior portion of the sternum
Four general divisions of respiratory system pharynx,trachea,bronchi and lungs (diaphragm-hemidiaphragm*division of diaphram*, important muscle)
Pharynx a passageway for both food and fluids as well as for air
3 divisions of Pharynx nasopharynx, oropharynx and laryngopharynx
Esophagus posteriot to to the larynx and trachea
Four parts of the Respiratory system Larynx, Trachea, Right and Left Bronchi and Lungs
Larynx voice box,cage like cartilaginous structure located anterior portion of neck between C3-C6 hyoid bone not part of Larynx
Thyroid cartilage consists two fused platelike structures that forms the anterior part of the laynx
laryngeal prominence Adam's Apple
cricoid cartilage ring of cartilage that forms the inferior and posterior wall of the larynx
Trachea windpipe
Thyroid gland more radiosensitive then many other body structure or organs
Parathyroid glands small round glands that are embedded in the posterior surface of the lateral lobe of the thyroid gland
Thymus gland distal to the thyroid
Right Bronchi primary wider and shorter less of a divergence-divides in two three secondary bronchi=left lung three lobes
Left Bronchus smaller but twice as long two secondary branches=right lung two lobes
Carina specific prominence or ridge the lowest tracheal cartilage where it is divided to left or right
Right Lung 3 lobes superior,middle and inferior divided by deep fissure
Left Lung two lobes superior and inferior single deep oblique fissure
Lungs made of parenchyma, contanted in two layered pleura sacs(inner lining-partial pleura outer lining-pulmonary(visceral) space between two lining pleural cavity)
apex each rounded upper area above the level of the clavicle
Base lower concave area of each lung that rests on the diaghram
Costophrenic angle extreme outermost lower corner of each lung
Hilum root region is the central area of each lung where bronchi, blood vessels, lymph vessels and nerve enters and leaves the lung
Mediastinum medial portions of the thoracic cavity-thyroid and parathyroid glands not included important parts radiographically-thymus,heart and great vessels, trachea and esophagus
Thymus Gland prominent in infants
Greater vessels Aorta, inferior and superior vena cava, large pulmonary arteries and veins-enclosed in the double walled pericardial sac
Created by: kelmccauley