Bonus Lymphatics Flashcards
What is lymph?
A plasma filtrate which has leaked from capillary beds
What causes plasma filtrate to leak from capillary beds?
High hydrostatic pressure
What is the purpose of the lymphatic system?
To return lymph to the circulatory system.
Which condition can the lymphatic system facilitate the spread of?
Cancer
Name some structures/organs which do not have lymphatic drainage.
Cartilage
Eyes
Inner ear
Brain
Spinal cord
Where are the axillary lymph nodes?
In the axilla
Where are the pectoral lymph nodes?
Around the pectoralis major muscle.
Where are the deep and superficial inguinal lymph nodes?
Inguinal region
Where are the tracheobronchial and bronchomediastinal lymph nodes?
Bifurcation of the trachea
Where are the lumbar and pelvic lymph nodes?
Around the root of arteries in the abdomen and pelvis
Where are the superficial and deep cervical lymph nodes?
Superficial and deep groups in the neck
What is the main cell type in lymph nodes?
Lymphocytes
What is the function of a lymph node?
Filters lymph
What is meant by a sentinel node?
The first lymph node which cancer cells would be most likely to spread to from a primary tumour
Where do efferent lymphatic vessels lead to?
Thoracic duct or right lymphatic duct
