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This 8 page Class Notes was uploaded by Mabelle Gusikowski on Wednesday September 9, 2015. The Class Notes belongs to HUBIO 511 at University of Washington taught by Staff in Fall. Since its upload, it has received 17 views. For similar materials see /class/192007/hubio-511-university-of-washington in Human Biology at University of Washington.
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Date Created: 09/09/15
C i6k 39 1 0456 b Q k LAW 39 L EWS39ZLEE I ener Vida 3 m m 396 mpquot2amp h was 139 PO DAY 17 PM PRACTICE PIN TEST IMAGING Neck Suprahyoid Paraphamngeal space Fat Branches of cranial nerve V3 Internal maxillary artery Ascending pharyngeal artery Pharyngeal venous plexus Phamngeal Mucosal Space Lymphoid tissueadenoid and lingual tonsils Superior middle constrictor muscles Torus tubarus aspect of the eustachian tube lnfratemporal Lateral and medial pterygoid muscles Masseter muscle Temporalis muscle Inferior alveolar nerve Ramus and body of mandible Parotid gland Retromandibular vein External carotid and internal maxillary artery lntraparotid lymph nodes Facial nerve Carotid Triangle Internal carotid artery Internal jugularvein Cranial nerves 912 Sympathetic plexus Lymph nodes Retrophamngeal Space Fat Lymph nodes Paravertebral Space Prevertebral muscles Vertebral artery and vein Scalene muscles Brachial plexus Phrenic nerve University of Washington 2006 Day17 PM Pg 1 Autonomic nervous ANS and some somatic nerve review note this exercise is for efferent motor neurons but you can add in the afferents Grays pp72 85 1 Label the numbered structures in the cross section below Draw in SOMATIC EFFERENTMOTOR and AFFERENTSENSORY NEURONS including cell bodies Gray s p70 81 113 Spinal dorsal root ganglion 2 yellow is sensory dark Posterior dorsal root green IS motor Spinal nerve 9Posterior ramus 8Anterior ramus 7 White ramus Anterior ven bal root Gray ramus A Parave e ral chain ganglion 2a Draw a SOMATIC EFFERENT neuron one neuron CNS target 9 42gt b Draw the AUTONOMIC neurons 2 neurons CNS ganglion target 6 preganglionic postganglionic 3a Draw the neurons in the SYMPATHETIC pathway CNS m elin ganglion target M preganglionic postganglionic b Draw neurons in the PARASYMPATHETIC pathway 2 CNS PostganglionicNote that it is short pregangliomc and in wall of target organ target myelin ll ganghon 4 Label the areas where the PARASYMPATHETIC AND SYMPATHETIC PREGANGLIONIC NEURONS originate Gray s p79 d brainstem parasymp thei T1 L2 sympathetic 824 parasympathetic a E lt aorta 5SYMPATHETIC part of ANS Gray s p 80 amp 87 Labek a PARAVERTEBRAL sympathetic trunk chain ganglia b SYMPATHETIC cardiac branches 3 5 continued There are 26 pairs of SYMPATHETIC PARAVERTEBRAL ganglia Which ones exact numbers not needed a send neurons to smooth muscles of blood vessels and sweat glands derivatives of somites All cervical have merged to form three ganglia b send neurons to the heart and lungs Upper thoracic T 14 c Do the parasympathetic neurons synapse in the sympathetic chain paravertebral ganglia no 6a Draw a PARAVERTEBRAL CHAIN GANGLION on the anterior ramus of a spinal nerve at the level T4Grays p 81 What is the difference between a paravertebral chain ganglion and a posterior root ganglion Paravertebral ganglia contain sympathetic nerve bers and cell bodies and posterior root ganglia have sensory cell bodies b Draw a PARAVERTEBRAL CHAIN GANGLION on the anterior ramus of a spinal nerve at the level CG Draw SOMATIC Neurons 4 7a Draw a SOMATIC EFFERENT neuron to the muscles of the 6th intercostal b Draw a SOMATICEFFERENT neuron to the back muscles Gray s p74 Draw SYMPATHETIC Neurons 8 Draw both PREGANGLIONIC AND POSTGANGLIONIC SYMPATHETIC neurons to Gray s p 81 a The anterior body wall sweat glands and blood vessels bThe blood vessels and sweat glands in skin of the back Awl I Draw SYMPATHETIC neurons to 5 c To the pacemaker of the heart Gray s p82 p 179 When sympathetic neurons innervate thoracic organs where do they exit the sympathetic chain paravertebral ganglia Through medial branches called cardiac nerves Note that the postganglionic neurons in orange can originate in upper thoracic or cervical ganglia before leaving through v cardiac branches Cardiac plexus o r V Although Gray s shows it both ways The cervncal path is preferred Since cardiac cardiac nerve branches nerves are in the neck medially d To the blood vessels of bronchiolar glands As the sympathetic neuron exits the paravertebral ganglionabel the branch arrow Gray s p 82 amp149 Cardiac plexus Pulmonary plexus Note that the postganglionic neuron usually passes through The cardiac plexus before the pulmonary plexus 9 Draw PARASYMPATHETIC Nerves 6 a Draw both parasympathetic preganglionic and postganglionic neurons and label the cranial nerve to Gray s p 87 amp 179 equot Postgangllomc neuron Pulmonary plexus lung The sinuatrial node of the heart The bronChi 0f lungs 10 Draw both PARASYMPATHETIC AND SYMPATHETIC neurons to the heart to y y 7