12/1/16 TEST #4 Lymphatics and Brachial Plexus Flashcards
What percentage of interstitial fluid gets drained back via the lymphatic or the vein respectively?
- 10%
- 90%
On both the right and left side of the body where do the lymphatics drain back into the venous system?
-where the Internal carotid meets with the subclavian and becomes the brachiocephalic vein
What lymphatic drains all of the body except the right chest, arm, and head?
-Thoracic duct
What lymphatic drains only the right chest, arm, and head?
-Right lymphatic duct
What lymphatic drains the occipital part of the head?
-Occipital lymph nodes
Where do the occipital send lymph to (efferent)?
Deep cervical lymph nodes
What is the afferent of the Occipital lymph nodes?
-Back of scalp
What is the efferent of the retroauricular (mastoid) lymph nodes?
-Deep cervical nodes
What is the afferent of the retroauricular lymph nodes?
- Strip of scalp above auricle
- Posterior external auditory meatus
What is the efferent of the parotid lymph nodes?
-Deep cervical nodes
What is the afferent of the superficial parotid lymph nodes?
- Strip of scalp above the parotid salivary gland
- Lateral surface of auricle
- Anterior wall of external auditory meatus
- Lateral part of the eyelid
What is the afferent of the deep parotid nodes?
-Middle ear
What is the afferent of the buccal lymph nodes?
- Lower eye lid
- Part of cheek buccinator muscle
- Facial vein
What is the efferent of the buccal lymph nodes?
-Submandibular then to deep cervical nodes
What are the afferents of the submandibular lymph nodes?
- Nose and adjacent cheek
- Upper and lower lip (except center part)
- Frontal, maxillary, and ethmoidal sinuses
- Upper and lower teeth except lower incisors
- Anterior 2/3 of tongue except tip
- Floor of mouth
What are the efferents of the submandibular lymph nodes?
-Deep cervical lymph nodes
What are the afferent of the submental lymph nodes?
- Tip of tongue
- Floor of mouth beneath tip of tounge
- Incisor teeth
- Center part of lower lip
- Skin of chin
What are the efferents of the submental lymph nodes?
-Deep cervical lymph nodes (jugulo-omohyoid nodes)
What are the afferents of the superficial cervical lymph nodes?
- Skin over the angle of the jaw
- Skin over apex of parotid salivary gland and lobule of ear
What are the efferents of the superficial cervical lymph nodes?
-Deep cervical lymph nodes
Where are the retropharyngeal lymph nodes located?
-Between pharynx and atlas
What are the afferents of the retropharyngeal lymph nodes?
- Pharynx
- Auditory tube
- Soft palate
- Post part of hard palate
- Nose
What are the afferents of paratracheal lymph nodes?
- Neighboring structure
- Thyroid gland
What are the efferents of the paratracheal lymph nodes?
-Deep cervical lymph nodes
What are the afferents of the infrahyoid, prelaryngeal, and pretracheal lymph nodes?
-Anterior cervical nodes
What are the efferents of the infrahyoid, prelaryngeal, pretracheal lymph nodes?
-Deep cervical lymph nodes
Where are superior deep cervical lymph nodes located?
-Below posterior belly of digastirc between angle of mandible and anterior border of SCM
What is the superior deep cervical lymph nodes also known as?
-Jugulodigastric
What are the efferents of the superior deep cervical lymph nodes (jugulodigastric)?
- Lower deep cervical lymph nodes
- Jugular trunk
What are the afferents of the superior deep cervical lymph nodes (jugulodigastric)?
- Tongue,
- Tonsil
What is another name for the inferior deep cervical lymph nodes?
-Jugular omohyoid
Where are the inferior deep cervical lymph nodes located?
-Between Internal Jugular and superior belly of omohyoid
What are the afferents of the inferior deep cervical lymph nodes?
- Tongue
- Superficial and superior deep cervical nodes
What are the efferents of the Jugular omohyoid nodes?
-Jugular trunk
What lymphatic drains the gingiva?
-Submandibular nodes
What lymphatic drains the hard palate?
- Superficial deep cervical
- Retropharyngeal
-What lymphatic drains the soft palate?
-Retropharyngeal
What lymphatic drains the floor of the mouth?
- Submandibular
- Deep cervical submental
What lymphatic drains the teeth?
- Submandibular
- Deep cervical submental
What lymphatic drains the tonsil?
-Jugulodigastric nodes
What lymphatic drains the tip of the tongue?
-Submental
What lymphatic drains the anterior 2/3rd of the tongue?
- Submandibular
- Deep cervical
What lymphatic drains the posterior 1/3 of the tongue?
-Jugulodigastric lymph nodes
What lymphatic drains the frontal sinus?
-Submandibular nodes
What lymphatic drains the maxillary sinus?
-Submandibular nodes
What lymphatic drains the ethmoidal sinus?
-Submandibular nodes
What lymphatic drains the sphenoidal nodes?
-Retropharyngeal nodes
Where does the Dorsal scapular nerve come from?
-C5
What muscles does the Dorsal scapular nerve innervate?
- Levator scapulae
- Rhomboid Minor
- Rhomboid Major
Where does the long thoracic nerve come from?
- C5
- C6
- C7
What does the long thoracic nerve innervate?
-Serratus anterior
What does the nerve to subclavius innervate?
-Subclavius muscle
Where does the subclavius come from?
- C5
- C6
Where does the suprascapular nerve come from?
-C4-C6
What does the suprascapular nerve innervate?
- Supraspinatus
- Infraspinatus
Where does the thoracodorsal nerve come from?
- C6
- C7
- C8
What muscle does the thoracodorsal nerve innervate?
-Latissismus dorsi
Where does the upper and lower subscapular nerves come from?
- C5
- C6
What does the upper and lower subscapular nerve innervate?
-Subscapular
Where does the lateral pectoral nerve come from?
-C5-7
Where does the medial pectoral nerve come from?
-C8-T1
What does the lateral pectoral nerve innervate?
-Pec Major
What does the medial pectoral nerve innervate?
-Pec Major and Minor
What do the median and ulnar nerves do functionally?
-Flexion of the wrist
What does the musculocutaneous do functionally?
-Flexion
What does the radial nerve do functionally?
-Extension
What brachial plexus nerves do you find above the clavicle?
- Dorsal scapular
- Long thoracic
- Suprascapular
- Nerve to subclavius
What brachial plexus nerves come lateral cord?
- Musculocutaneous nerve
- Lateral pectoral
- Median nerve
What brachial plexus nerves come from the medial cord?
- Median
- Ulnar
- Medial pectoral
- Medial brachial cutaneous nerve
- Medial antebrachial cutaneous
What brachial plexus nerves come from the posterior cord?
- Radial
- Axillary
- Upper and lower subscapular
- Thoracodorsal