Lymph nodes and Fascia

Superior deep cervical

max 3rd molars

Submental

mand central incisors

Submandibular

all other teeth

Submandibular

upper lip

Submental

floor of mouth

Submental

apex of tonuge

Superior deep cervical

tonsils

Submental

lower lip

Submandibular

body of tongue

Where are the external jugular lymph nodes?

along external jugular vein

Which area does the thoracic duct empty

junction of the left internal jugular and subclavian veins

Primary nodes draining the skin and mucous membranes of the lower face?

submandibular nodes

Secondary lymph nodes for the occipital nodes?

deep cervical nodes

Lymph node groups considered superficial cervical lymph nodes?

external and anterior jugular nodes

Afferent vessels

lymph flows into the3 node

Efferent vessels

lymph exits the node

Purpose of lymph nodes

filter toxic products t prevent them from entering the vascular system

Secondary lymph nodes do what?

receive and filter lymph that has already been filtered through the primary nodes

Right lymphatic duct drains

form up open right quadrant of the body

Thoracic duct drains

from everywhere else. Larger

Occipital

1 to 3, scalp, deep cervical

Posterior auricular drains

1 to 3, behind the ear

Anterior auricular

1 to 3, anterior to the tragus

Superficial parotid

up to 10, located superficial to each parotid gland

Facial

up to 12

Subcategories of facial lymph node

malar, nasolabial, buccal, mandibular

Facial nodes drain

skin and mucous membranes

Can deep nodes be palpated during an exam?

No

Deep parotid

Up to 10. Drain middle ear, auditory tube and parotid gland

Retropharyngeal

Up to 3. By atlas. Drains the palate, pharynx, paranasal sinus, and nasal cavity

Superficial cervical lymph nodes

Subment, submand, external jugular and anterior jugular

Sub mental lymph node drains

Lower lip, chin, floor of mouth, apex of tongue, mand incisors

Common etiologies of sub mental lymph node

Mononucleosis, toxoplasmosis, dental infections

Submandibular lymph node drains

Cheeks, upper lip, body of tongue, anterior hard palate, most mandibular teeth

External jugular

Secondary node to the occipital, posterior auricular, anterior auricular, superficial parotid nodes

External jugular drains into

Deep cervical nodes

Anterior jugular drains into

Deep cervical nodes

Deep cervical nodes

Superior and inferior