Lymph nodes

Question 1

Lymph organs

Answer 1

Spleen
Thymus
Red bone marrow

Question 2

Lymph nodes: structure and function

Answer 2

Kidney shaped
Filter foreign particles from blood
Contains T cells, B cells and other immune cells

Question 3

Superficial lymphatics of the head and neck

Answer 3

Occipital
Mastoid
Pre-auricular
Parotid
Submental
Submandibular
Facial
Superficial cervical

Question 4

Deep lymph nodes of head & neck

Answer 4

Superior deep cervical
Inferior deep cervical
Organised into vertical chain next to internal jugular vein

Question 5

Waldeyer’s Ring

Answer 5

Collection of lymphatic tissue surrounding superior pharynx:
Lingual tonsil (posterior base of tongue), inferior part of ring.
Palatine tonsils (x2): each side between palatoglossal and palatopharyngeal arches), lateral part of ring
Tubal tonsils (x2): where Eustachian tube opens lateral part of ring
Pharyngeal tonsil: nasopharyngeal/adenoid tonsil. Roof of nasopharynx behind uvula. Postern-superior part of ring

Question 6

Lymphatic drainage of upper limb

Answer 6

Axilla: 5 groups:
Pectoral (anterior)
Subscapular (posterior)
Humeral (lateral)
Central
Apical