lymphatics

Question 1

what are the 7 regional lymph nodes?

Answer 1

occipital
retroauricular
parotid
buccal (facial)
submandibular
submental
anterior cervical (superficial cervical)

Question 2

where do the lymphatics enter the circulatory system?

Answer 2

just prior to the internal jugular and subclavian intersection

Question 3

where is the occipital node located?

Answer 3

at the apex of posterior triangle and superficial to trapezius muscle

Question 4

what drains into the occipital node and where do the efferents drain?

Answer 4

afferent: back of scalp
efferent: deep cervical lymph nodes

Question 5

retroauricular (mastoid) lymph node afferent and efferents

Answer 5

afferents: strip of scalp above auricle, and posterior external auditory meatus
efferents: deep cervical nodes

Question 6

where is the retroauricular lymph node located?

Answer 6

superficial to SCM and mastoid process and deep to auricularis posterior muscle

Question 7

parotid lymph nodes

superficial parotid nodes afferent and efferent

Answer 7

afferent: strip of scalp above the parotid gland, lateral surface of auricle, anterior wall of external acoustic meatus, lateral part of eye lid
efferent: deep cervical nodes (jugulo-digastric)

Question 8

parotid lymph nodes

deep parotid nodes efferent and afferent

Answer 8

afferent: middle ear
efferent: deep cervical nodes (jugulo-digastric)

Question 9

location of buccal lymph node

Answer 9

on the surface of buccinator muscle in relation to facial vein

Question 10

afferent and efferents of buccal(facial) lymph node

Answer 10

afferent: lower eye lid, part of cheek, buccinator muscle, facial vein
* *efferent: submandibular lymph node then to deep cervical lymph nodes

Question 11

submandibular lymph node afferent and efferents

Answer 11

afferent: front of scalp, nose and adjacent cheek, upper lip, lower lip (not center), frontal, max, ethmoid sinus, upper and lower teeth(not mand incisors), anterior 2/3 tongue (not tip), floor or mouth, vestibule and gums
efferent: deep cervical lymph nodes

Question 12

submental lymph node afferent and efferent

Answer 12

afferent: tip of tongue, floor of mouth under tip of tongue, mand. incisors and gums, center of lower lip, skin over chin
efferent: submandibular node, deep cervical lymph nodes
* *jugulo-omohyoid nodes**

Question 13

superficial cervical lymph nodes afferent and efferents

Answer 13

afferent: skin over the angle of mandible, skin over apex of parotid and lobule of ear
efferent: deep cervical lymph nodes

Question 14

posterior of tongue lymphatic drains where?

Answer 14

jugulodigastric node

Question 15

anterior of tongue lymphatic drains where?

Answer 15

first to submandibular then to jugulo-digastric node

Question 16

what are the six regional lymph nodes?

Answer 16

retropharyngeal
paratracheal
infrahyoid
prelaryngeal
pretracheal
lingual

Question 17

retropharyngeal location

Answer 17

located between pharynx and atlas

Question 18

afferents of retropharyngeal node

Answer 18

pharynx, auditory tube, soft palate, posterior part of hard palate, nose

Question 19

paratracheal afferents and efferents

Answer 19

afferent: neighboring structures and thyroid gland
efferent: deep cervical lymph nodes

Question 20

infrahyoid, prelaryngeal, and pretracheal lymph node afferent and efferents

Answer 20

afferent: anterior cervical nodes
efferent: deep cervical lymph nodes

Question 21

list infrahyoid, prelaryngeal, and pretracheal lymph node from superior to inferior

Answer 21

infrahyoid, prelaryngeal, pretracheal

Question 22

superior deep cervical lymph nodes name and location

Answer 22

jugulodigastric lymph nodes

located: below posterior belly of digastric, between angle of mand and ant. border of SCM
* one large and few small

Question 23

afferent and efferent of jugulodigastric lymph nodes

Answer 23

afferent: parotid node, tongue, tonsil
efferent: lower deep cervical lymph nodes and jugular trunk

Question 24

inferior deep cervical lymph node name and location

Answer 24

jugular omohyoid

located: angle between the int. jugular and sup. belly of omohyoid

Question 25

afferent and efferent of jugular omohyoid nodes

Answer 25

afferent: tongue and superficial and superior deep cervical nodes efferent: jugular trunk

Question 26

where does the gingiva drain?

Answer 26

submandibular lymph node

Question 27

where does the hard palate drain?

Answer 27

superficial deep cervical and retropharyngeal nodes

Question 28

where does the soft palate drain?

Answer 28

retropharyngeal nodes

Question 29

where does the floor of the mouth drain?

Answer 29

submandibular and submental

Question 30

where do the teeth drain?

Answer 30

submandibluar and deep cervical submental

Question 31

where do tonsils drain?

Answer 31

jugulodigastric nodes

Question 32

where does the tip of the tongue drain?

Answer 32

submental

Question 33

where does the anterior 2/3 of tongue drain?

Answer 33

submandibular and deep cervical

Question 34

where does posterior 1/3 drain?

Answer 34

jugulodigastric lymph nodes

Question 35

where do the frontal, maxillary and ethmoid sinus drain?

Answer 35

submandibular nodes

Question 36

where does the sphenoidal sinus drain?

Answer 36

retropharyngeal nodes