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MBBS2/ANATOMY~HEAD & NECK > Lymphatic drainage of head and neck > Flashcards

Lymphatic drainage of head and neck Flashcards

(71 cards)

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1
Q

all the lymph from the region of the head and neck drains into what

A

deep cervical lymph nodes

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2
Q

efferents from the deep cervical lymph nodes form what

A

jugular trunk

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3
Q

on the right side the jugular trunk drains into what

A

the right lymphatic duct

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4
Q

on the left side the jugular trunk drains into what

A

thoracic duct

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5
Q

out of the 400-450n lymph nodes in the human body how many are located in the head and neck region

A

60-70 nodes

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6
Q

lymph nodes in the head and neck region can be grouped into what

A

superficial nodes

deep nodes

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7
Q

whats the lymphatic drainage of the superficial tissues of the head and neck

A

lymph can go from superficial tissues to regional lymph nodes then deep cervical nodes

or

lymph goes from superficial tissues to deep cervical nodes

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8
Q

where do superficial lymph nodes lie

A

above investing layer of the deep cervical fascia

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9
Q

superficial lymph nodes consist of a few small nodes lying superficial to what

A

external jugular and internal jugular veins

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10
Q

superficial lymph nodes include

A

1.submental nodes
2. submandibular nodes
3. buccal nodes
4. parotid nodes
-5. mastoid (postauricular/ retroauricular) nodes
6. occipital nodes
7. superficial cervical nodes

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11
Q

where are the submental nodes located

A

submental triangle

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12
Q

how many are the submental nodes

A

3/4

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13
Q

where are the submental nodes located

A

on mylohyoid muscles between the anterior bellies of both digastric muscles

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14
Q

submental nodes get afferents from what

A

tip of tongue

floor of mouth

lower gums opposite the incisor teeth

central part of lower lip

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15
Q

submental nodes efferents drain into what

A

submandibular nodes

jugulo-omohyoid nodes

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16
Q

where are the submandibular nodes located

A

in digastric triangle beneath the deep cervical fascia in contact with the submandibular salivary gland

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17
Q

how many submandibular nodes are there

A

3

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18
Q

the submandibular nodes get afferents from what

A
  1. center of forehead
  2. medial angle of eye
  3. side of nose
  4. cheek and angle of mouth
  5. whole of upper lip
  6. lateral part of lower lip
  7. anterior 2/3 of tongue
  8. upper gums
  9. lower gums
  10. frontal, maxillary and most ethmoidal sinuses
  11. submental lymph nodes
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19
Q

submandibular nodes efferents drain into what

A

jugulo-omohyoid

partly jugulo-digastric nodes

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20
Q

where do the buccal nodes lie

A

buccinator muscle

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21
Q

buccal nodes get afferents from what

A

part of the cheek

lower eyelid

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22
Q

buccal nodes efferents drain into what

A

upper deep cervical nodes

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23
Q

where are the parotid nodes lie

A

superficial and deep to the fascial capsule of the parotid glad and within its substance

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24
Q

parotid gland is divided into what 2 groups

A

superficial group

deep group

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25
the superficial group of the parotid nodes receive afferents from what
upper part of forehead temporal region upper part of lateral surface of auricle anterior wall of external acoustic meatus eyelids
26
the deep group of the parotid nodes receives afferents from what
nasopharynx posterior part of nose tympanic cavity
27
parotid nodes efferents drain into what
upper deep cervical nodes
28
where are the mastoid nodes located
superficial to the sternocleidomastoid near its attachment to the mastoid process
29
the mastoid nodes get afferents from what
upper part of cranial surface of auricle adjoining portion of scalp posterior wall of external acoustic meatus
30
mastoid node efferents drain into what
upper deep cervical nodes
31
facial lymph nodes are comprised of what 3 groups
infraorbital/ maxillary buccinator supra-mandibular
32
afferent vessels of the facial lymph nodes drain what
eyelids the conjunctiva skin and mucous membrane of the nose and cheek
33
facial lymph nodes efferents drain into what
submaxillary glands
34
where are the occipital nodes located
apex of posterior triangle superficial to the trapezius
35
occipital nodes get afferents from where
posterior part of scalp
36
occipital nodes efferents drain into what
supra-clavicular nodes
37
where are the superficial cervical nodes located
superficial to upper part of the sternocleidomastoid by the side of the external jugular vein
38
the superficial cervical nodes get afferents from what
floor of external acoustic meatus lobule of the ear angle of jaw lower part of parotid region
39
superficial cervical nodes efferents drain into what
lower deep cervical nodes
40
where are anterior cervical nodes located
arranged along the anterior jugular vein
41
anterior cervical nodes get afferents from what
anterior triangle of neck below the hyoid bone
42
anterior cervical nodes efferents drain into what
lower deep cervical nodes
43
whats the lymphatic drainage of the deeper tissues of the head and neck
lymph goes from deeper tissues of head and neck to regional lymph nodes then to deep cervical lymph nodes or lymph goes from deeper tissues of head and neck to deep cervical lymph nodes
44
what are the 3 deep lymph nodes
deep cervical nodes Waldeyer's ring nodes of midline
45
what do the deep cervical lymph nodes surround and where do they extend to
surround the internal jugular vein they extend from base of the skull to the root of neck
46
what divides the deep cervical lymph nodes into 2 groups
intermediate tendon of omohyoid
47
what are the 2 groups of the deep cervical lymph nodes
upper deep cervical nodes lower deep cervical nodes
48
where do the upper deep cervical nodes lie
they lie along the upper part of the internal jugular vein deep to the SCM
49
where do the lower deep cervical nodes lie
along the lower part of the internal jugular vein deep to the SCM
50
whats a member of the upper deep cervical lymph nodes
jugulo-digastric nodes
51
where are the jugulo-digastric nodes located
below the posterior belly of the digastric muscle
52
jugulo-digastric nodes get afferents from where
palatine tonsils posterior 1/3 of tongue
53
jugulo-digastric nodes , efferents drain into what
lower deep cervical nodes
54
what nodes are the principle nodes of palatine tonsils
jugulo-digastric nodes
55
whats a member of the lower deep cervical lymph nodes nodes
jugulo-omohyoid nodes virchows nodes
56
where do the jugulo-omohyoid nodes lie
on internal jugular vein just above the intermediate tendon of omohyoid
57
jugulo-omohyoid nodes get afferents from where
tongue submental nodes submandibular nodes upper deep cervical nodes
58
jugulo-omohyoid nodes efferents drain into what
lower deep cervical nodes
59
what nodes are principal nodes of the tongue
jugulo-omohyoid nodes
60
where are Virchow's nodes located
left supraclavicular nodes / left scalene nodes
61
when are Virchow's nodes enlarged
in malignancy of the stomach
62
what are the nodes of midline
infrahyoid prelaryngeal pretracheal paratracheal
63
lymph nodes can be classified as what
peripheral terminal
64
how are peripheral lymph nodes arranged
in outer and inner circles
65
what does the outer circle of the peripheral lymph nodes form
a pericervical / cervical collar at the junction of head and neck
66
the outer circle extends from where
chin to occiput
67
the outer circle includes what
1. submental nodes 2. submandibular nodes 3. buccal nodes 4. parotid nodes 5. mastoid nodes 6. occipital nodes
68
what does the inner circle of the peripheral lymph nodes surround
the upper part of the respiratory and alimentary passages
69
what does the inner circle include
1. prelaryngeal 2. pretracheal nodes 3. paratracheal nodes 4. retropharyngeal nodes
70
where are prelaryngeal nodes located
in front of conus elasticus
71
where are pretracheal nodes located
in front of trachea and above the isthmus of the thyroid gland

MBBS2/ANATOMY~HEAD & NECK (13 decks)

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