29 Questions
How do lymphatic vessels differ from blood vessels in terms of permeability?
Lymphatic vessels are semi-permeable, allowing easier passage of fluid
What is the function of Lymphocytes in the lymphatic system?
To filter the lymph in the lymph nodes
Where are lymphatic vessels not present in the body according to the text?
Epidermis, Bone marrow, CNS, Cartilages
How is interstitial space defined in relation to the cells?
It is the space between cells where arteries supply oxygen and nutrients
What is the final destination for lymph in the lymphatic system as per the text?
Veins draining into the right atrium of the heart
Through which vessels does all lymph flow before reaching the heart?
Lymphatic vessels
Which type of bone marrow is involved in the production of B and T lymphocytes?
Red bone marrow
What stimulates lymphatic tissue to divide?
Pathogens
How does lymph travel through the lymph nodes before reaching the subclavian vein?
Must pass through at least two lymph nodes
What is the function of the Germinal Center in a lymphatic nodule?
Enable rapid division of lymphocytes
What structures divide lymph nodes into compartments?
Trabeculae
What are the spaces between lymphatic tissues that contain macrophages known as?
Lymphatic sinuses
What is the function of the red pulp in the spleen?
To filter blood
What is the function of the white pulp in the spleen?
To activate and expand lymphocytes
What is the function of the tonsils in the lymphoid tissue?
To protect against pathogens entering the mouth
What may be indicated if someone can feel their lymph nodes?
The person has a possible indication of an infection
What happens to the tonsils in adults?
They decrease in size and may eventually disappear
Which type of capillaries are found in sinusoids?
Sinusoidal capillaries
What is unique about Peyer's patches among lymphoid organs?
They are non-encapsulated
What is the primary function of Peyer's patches?
To monitor and prevent the growth of pathogenic bacteria
What is the term for bacteria that cause diseases?
Pathogens
What is the function of the vermiform appendix?
To preserve the good bacteria during diarrheal diseases
What is the term for the infection of the appendix?
Appendicitis
What is the primary function of the spleen?
To filter blood
What is the location of the spleen?
Superior left part of the abdomen near the stomach
What is the term for the removal of the pharyngeal tonsil?
Adenoidectomy
What type of epithelium is found in the palatine tonsils?
Stratified Squamous
What is the collective term for the ring of lymphatic tissue formed by the tonsils and intervening lymphoid tissue?
Waldeyer's ring
What is the primary site of erythrocyte destruction?
Spleen
Learn about how lymphocytes combat microorganisms in the lymphatic system. Explore the permeability of lymphatic vessels compared to blood vessels, their distribution in the body, and the role of valves in preventing backflow of lymph.
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