·242.PARTIANGIOLOGYThey arange along the superficial jugular vein andfrom chin,lowerlip,and tip oftongue.receivelymphfromsuperficiallayerofanteriorneck2) Deep anterior cervical lymph nodesTheylieinfront ofthelarynx and receivelymphfrom lar.2. Lymph nodes and lymphynx, thyroid gland, and trachea.Eferent vessels drainage of neckthesetwogroupsoflymphnodesemptyintolateralcervical lymph nodes.Lymph nodes of neck can be divided into anteri-or cervical lymphnodes and lateral cervical lymph(2)Lateral cervical lymphnodesnodes.They are dividedintothe superficiallateralcervi(1)Anterior cervical lymph nodescal lymph nodes and the deep lateral cervical lymphnodes (Fig. II-2-6).They liein front of larynx,thyroid gland,and trachea, under the hyoid bone.1) Superficial anterior cervical lymph nodesGenioglossusJugulodigastric lymphSubmental lymphnodesSubmandibular lymphnodesSuperiordeep lateralcervical lymph nodesInfrahyoid lymphnodesJuguloomohyoid lymph nodePrelaryngeallymphnodesSupraclavicular lymph nodesPretracheal lymph nodes福Fig. II-2-6 The deep cervical lymph nodes1) Superficial lateral cervical lymph nodesinferior groups bounded by the omohyoid(Fig. II-2-5)They arrange along the superficial jugThe superior deep lateral cervical lymph nodesular vein and receive the lymph from superficial layerlieon theupper partofthe internal jugular vein, theyofneck and the efferent vessels of mastoid lymphreceive the efferent lymph vessels ofthe lymph nodesnodes,occipital lymph nodes,and submandibularof the head and the superficial lateral cervical lymphlymph nodes.Their efferent vessels empty into deepnodes, also receive the lymph from the nose,tongue,cervical lymph nodes.pharynxlarynx,thyroidgland,trachea and theeph2) Deep lateral cervical lymph nodes Thereagus.are as many as 10-15 lymph nodes in number, andThe inferior deep lateral cervical lymph nodesthey locate along internal jugular veinfrom base ofsurround the lower part of the internal jugular vein,skull to root of neck. Some of them lie along thesomeof them liealong the transverse cervical bloodaccessory nerve and the transverse cervical bloodvessels which are called the supraclavicular lymphvessels. They may be divided into the superior andnodes.Somelymph nodes arelocated just infront扫描全能王创建
Chapter2LymphaticSystem·243.fossa.ofscalenus anterior,theleftonesofthem arecalledVirchow's lymph node, which may be involved in theCubital lymph nodescancer of the stomach and esophagus.They are one or two lymph nodes in number,II.Lymph Nodes andand are located near elbow and medial epicondyle ofLymph Drainage of Upperhumerus.They receive lymph of lymphatic vesselsLimbalong basilic vein and ulnar blood vessel, and thenempty into axillarylymph nodes.Lymphatic system of upper limb is composed ofsuperficiallymphaticessels,deeplymphatic v-Axillary lymph nodessels, and lymph nodes. Superficial lymphatic vesselsdrain lymph of skin and subcutaneous fascia; deepThere are about 15-20 lymph nodes in axillarylymphatic vessels drain lymph of muscles, tendons,fossa around axillary blood vessels, and are dividedbones, and joints. These lymphatic vessels emptyinto five groups (Fig. II-2-7).mainly into regional lymph nodes. Lymph nodes ofupperlimb concentrated mainly atelbow and axillaryApical lymph nodesCentral lymph nodesLateral lymph nodesParastermal lymphnodesSubscapular lymph nodesPoctoral lymph nodesFig. II-2-7 Axillary lymph nodes and lymph drainage of breastmammary gland.(1) Lateral lymph nodes(3)SubscapularlymphnodesThey are located along axillary vein, receiveThey are located along subscapular artery,receivelymphfrom superficial anddeeplymphaticvesselsoflymphfromposteriorpartof neckandthoracicwall.upperlimb.(4)Central lymphnodes(2) Pectoral lymphnodesThey lie along inferior border of the pectoralisThey are embedded in fat near the base of axil-minormuscle,receivelymphfromanteriorand laterallary,receive lymph from lateral lymph nodes, pecto-thoraciwallsandcentralandlateralportionsfromral lymph nodes, and subscapular lymph nodes.扫描全能王创建