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24 Cards in this Set
- Front
- Back
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Where are the tonsils located |
Palatine tonsils - throat Lingual tonsils -tongue Pharyngeal tonsils -nasal cavity Tubal tonsils - ears |
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Describe the thoracic duct |
Drains 3/4 of the body Ascends along vertebral bodies Empties into venous circulation Is the left duct |
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Describe the right lymphatic duct |
Empties into right internal jugular and subclavian arteries Not present in all people |
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Where do T&B lymphocytes originate and where do they end up |
They originate in bone marrow. T lymphocytes travel to thymus gland B lymphocytes stay in bone marrow |
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What is a lymph node |
Bean shaped organ situated along collecting lymphatic vessels. They cleanse the lymph of pathogens |
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List in order the parts of the Brachial tree |
Trachea Carina Primary (main) bronchus (right/left) Lobar (secondary) bronchus (3 right/2 left) Segmental (tertiary) bronchus Bronchioles Terminal bronchioles |
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What is surfactant and what does it do |
Surfactant is secreted by type II alveolar cells and it reduces surface tension within the alveoli (Without it the walls of alveoli would stick together) |
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List the fissure of left and right lung |
Right lung Horizontal fissure and oblique fissure Left lung Oblique fissure |
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What is the alternative name for the pharyngeal tonsils |
Adenoids |
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What are the differences of the left and right lung |
LEFT LUNG Superior and inferior lobes Oblique fissure Cardiac notch RIGHT LUNG Superior, middle, and inferior lobes Horizontal and oblique fissures |
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What cavity are the lungs in |
The thoracic cavity |
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Explain lacteals |
They are specialized lymphatic capillaries located in the villi of the small intestine and receive digested fats |
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What organ stores blood platelets |
The spleen |
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What do type I and type II alveolar cells do |
Type I Single layer in the walls of each alveolus. Combines with capillary walls and basil laminae to form the respiratory membrane Type II Scattered among the type I. They secrete surfactant which reduces surface tension within the alveoli |
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What is the membrane where gas exchange occurs |
Respiratory membrane Where the O2 and CO2 are exchanged between the alveolus and the blood (Google called it the alveo-capillary membrane) |
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Give location of each lymphoid organ |
Tonsils- in pharynx Thymus- in thorax Spleen- curved around left side of stomach Aggregated lymphoid nodules- in small intestine Appendix- on right side, at bottom corner of of large intestine |
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Which organ atrophies over time |
The thymus |
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What organ is most active during youth |
Thymus |
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Main features of thymus |
Secretes thymus hormones Where immature lymphocytes mature into T cells |
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What are the main functions of the spleen |
Removal of bloodbourne antigens and removal/destruction of old/defective blood cells. It is the site of hematopoiesis in a fetus |
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What is the largest lymphoid organ |
Spleen |
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Which lymphoid organ is the simplest |
Tonsils |
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How are the tonsils arranged |
Arranged in a ring to gather and remove pathogens |
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Which lymphoid organ recycles blood cells |
The spleen |
