Lymphatics of Head and Neck Flashcards
what is the function of the lymphatic system
drainage of surplus tissue, fluid and plasma proteins
what happens to the lymphatic vessels if there is an infection
they swell
where is the thoracic duct
left venous angle
what drains into the thoracic duct
all of body (not right quadrant)
where does the right quadrant of the body drain to
right lymphatic duct
what are the 5 groups of lymph nodes in the head
occipital, posterior auricular, anterior auricular, superficial parotid, facial
what do the posterior and anterior auricular and superficial parotid drain
external ear, lacrimal glands, adjacent regions of scalp and face
what does the occipital nodes drain
the scalp of that region
where are the facial nodes located
along facial vein
what are the 4 groups of the facial nodes
nasolabial, buccal, mandibular, infraorbital
what is the pattern of drainage in the facial nodes
from superior to inferior and then to deep cervical nodes
what nodes appear bigger when there is an infection in the teeth
facial (submandibular)
what are the deep parotid lymph nodes
deep parotid and retropharyngeal
what are the 4 groups of lymph nodes within the neck
submental, submandibular, external jugular, interior jugular
what do the submental nodes drain
lower lip, chin, floor of mouth, apex of tongue and mandibular incisors