Lymph nodes Flashcards
(48 cards)
Where is the parotid lymph node located?
Caudal to TMJ, partially covered by the parotid gland.
What areas does the parotid lymph node receive afferent lymph vessels from?
- Skin of the caudal half of the bridge of the nose
- Forehead
- Eyelids
- Rostral half of the dorsal aspect of the head
- Area of the zygomatic arch
- M. masseter
- Skin of the ear
What does the parotid lymph node drain?
- Temporomandibular joint
- Various head bones (nasal, frontal, parietal, zygomatic, temporal, mandible)
- Various muscles of the head (M. zygomaticus, M. temporalis, M. masseter)
- Outer nose
- Outer ear
- Parotid gland
- Eyelids, lacrimal caruncle, lacrimal gland
Where is the mandibular lymph node located?
Caudolaterally to the angular process of the mandible.
What divides the mandibular lymph node into dorsal and ventral groups?
External maxillary vein.
What areas does the mandibular lymph node receive afferent lymph vessels from?
- Outer nose
- Lips
- Bridge and lateral region of the nose
- Cheek
- Intermandibular region
- M. masseter
- Forehead
- Zygomatic arch
- Eyelid
- Parotid region
- Cranial half of the front neck region
What does the efferent vessels of the mandibular lymph node drain into?
- Medial retropharyngeal lymph node
- Lateral retropharyngeal lymph node
True or False: The efferent vessels from the mandibular lymph nodes usually drain to the retropharyngeal lymph nodes on the same side.
False
What are the components of the retropharyngeal lymph node?
- Medial retropharyngeal lymph node
- Lateral retropharyngeal lymph node
What afferent lymph vessels does the medial retropharyngeal lymph node receive?
- Skin of the pinna
- M. omotransversarius
- Brachiocephalicus
- Sternomastoideus
- Rhomboideus
- Splenius
- Longissimus capitis
- Semispinalis capitis
- Longus colli
- Longus capitis
- Rectus capitis ventralis
- Mm. recti capitis dorsales
- Mm. obliqui capitis
- M. sternohyoideus
- Sternothyroideus
What does the medial retropharyngeal lymph node drain?
- Efferent vessels from the mandibular, parotid, and lateral retropharyngeal lymph nodes.
What is the common name for the superficial cervical lymph centre?
Prescapular lymph nodes.
What areas do the superficial cervical lymph nodes receive afferent lymph vessels from?
- Caudal part of the dorsal head region
- Pinna
- Parotid and neck areas
- Caudal half of the cranial neck region
- Forelimb digits
- Metacarpus
- Carpus
- Forearm
- Lateral side of the upper shoulder
- Upper foreleg region
- Medial side of the humerus region
- Anterior thorax
- Cranial part of the ventral thorax
What does the deep cervical lymph centre consist of?
- Cranial cervical lymph node
- Middle cervical lymph node
- Caudal cervical lymph node
Where is the cranial cervical lymph node located?
On the dorsomedial border of the thyroid gland adjacent to the trachea and common carotid artery.
What does the cranial cervical lymph node receive afferent lymph vessels from?
- Larynx
- Thyroid
- Trachea
- Oesophagus
What do the efferent vessels of the cranial cervical lymph node drain into?
Efferent vessels of the medial retropharyngeal lymph nodes.
Where is the axillary lymph node located?
Enclosed between M. teres major and M. transversus costarum and M. pectoralis profundus.
What does the axillary lymph node drain?
- Skin of the dorsal, lateral, and ventral thoracic and abdominal wall
- Lateral side of the shoulder
- Brachium
- Olecranon
- Antebrachial fascia
- All muscles of the forelimb and their tendons
- M. trapezius
- Brachiocephalicus
- Latissimus dorsi
- Pectoralis profundus
- Mammary gland
Where does the left axillary lymph node drain?
Into the thoracic duct.
What is the location of the popliteal lymph node?
Caudal aspect of the stifle joint between M. biceps femoris and M. semitendinosus.
What does the popliteal lymph node drain?
- Skin of the caudal half of the lateral side of the stifle joint
- Lower leg
- Lateral, flexor, and extensor aspects of the tarsus
- Skin of the metatarsus and hind digits
What do the efferent vessels of the popliteal lymph node drain into?
- Medial iliac lymph node
- Medial sacral lymph node
Where are the medial femoral lymph nodes located?
On the medial side of the thigh, at the distal end of the femoral canal.
