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Lymph drainage
Day 2
Question | Answer |
---|---|
Upper limb, lateral breast | axillary |
stomach | celiac |
duodenum and jejunum | superior mesenteric |
sigmoid colon | colic--> inferior mesenteric |
rectum (lower part) and anal canal (above pectinate line) | internal iliac |
anal canal (below pectinate line) | superficial inguinal |
testes | superficial and deep plexuses--> para-aortic (remember testes are not supf! they descended from the abdomen) |
scrotum | superficial inguinal |
thigh (supf) | supf inguinal |
lateral side of dorsum of foot | popliteal |
where does the thoracic duct drain? | at the j'n of the L subclavian and the IJV |
why does lymphatic fluid have a milky white color? | b/c it is rich in chylomicrons and has high triglyceride levels |
where are b cells located in a lymph node? | in the follicle |
where are lymphocytes and plasma cells found in the lymph node? | medullary cords |
where are reticular cells and macrophages found in the lymph node? | medullary sinuses |
what structure houses the t cells in the lymph node? | paracortex |
what happens to the paracortex of the lymph node in extreme cellular responses (e.g., viral)? | it enlarges |
where does isotype switching occur? | in the germinal center |
what structures does the R lymphatic duct drain? | R arm and R half of head |
what structure drains the L arm, L half of the head, and the remainder of the body? | thoracic duct |
where are t cells found in the spleen? | PALS (periarterial lymphatic sheath) and white pulp |
what vaccines do asplenic patients require? | pneumovax, H influenza type B, and Meningococcal |
splenic dysfunction causes an increased susceptibility to which organisms? | Salmonella, S pneumoniae, H influenza, and N meningitidis (S SHiN organisms) and Klebsiella |
The thymus develops from the third _______ _______. | branchial pouches |
where are immature t cells located in the thymus? | the cortex (Mature cells are in the Medulla in the Middle) |
DiGeorge syndrome is caused by a failure to develop 3rd and 4th _________ ________. | pharyngeal pouches |