Lymphatic System tonsils l. cervical lymph nodes right lymphatic duct thoracic duct l. subclavian vein r. axillary lymph nodes thymus cisterna chyli spleen r. supratrochlear lymph nodes Peyer’s patches l. inguinal lymph nodes bone marrow lymph vessels
Lymph Node trabecula germinal centers capsule subscapsular sinus afferent lymph vessels afferent lymph vessels cortex follicle hilum medulla sinus efferent lymph vessels
Lower Respiratory Tract thyroid cartilage cricoid cartilage Trachea clavicle r. superior lobe r. primary bronchus Carina (tracheal bifurcation) l. primary bronchus mediastinum l. secondary (lobar) bronchi r. parietal pleura l. tertiary (segmental) bronchus r. visceral pleura r. middle lobe r. inferior lobe r. pleural cavity diaphragm Lower Respiratory Tract
Vocal Cords base of tongue epiglottis false vocal cords true vocal cords glottis corniculate cartilage
Respiratory Bronchioles alveolar duct alveoli alveolar duct respiratory bronchiole terminal bronchiole alveolar sac