Week 7 - PHCL 2600 Notes
Week 7 - PHCL 2600 Notes PHCL2600
Popular in Funct Anat and Pathophysiol I
Popular in Pharmaceutical Sciences
This 5 page Class Notes was uploaded by Emily Notetaker on Friday October 16, 2015. The Class Notes belongs to PHCL2600 at University of Toledo taught by Williams,F in Fall 2015. Since its upload, it has received 37 views. For similar materials see Funct Anat and Pathophysiol I in Pharmaceutical Sciences at University of Toledo.
Reviews for Week 7 - PHCL 2600 Notes
Report this Material
What is Karma?
Karma is the currency of StudySoup.
You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!
Date Created: 10/16/15
Lecture 21 Wednesday October 7 2015 1158 AM The Central Nervous System Introduction gill H r l i introduction in Twin parts i Brain anti Spinal Cort m 2 u Neurons and lial Cells exiting from the brain and spinal enrol These are maple up of cranial newest and spinal nemes lie Cranial and Spinal Nerves Twelve pairs of nerves connect to th brain and are called quot Most have two types of neurons afferent and efferent however some do not have efferents Thirtyone pairs of nerves connect with the spinal cord and are called All have afferent and efferent neurons Example OCOC OV39 nerves do wo R hoole eggsWCV t SOMC 7046 only sensesq in hav39FLAIe LSCDSCSD quotquotT he OHM diFCeicncc lociween hc wo S Where hei xilie he CNS PHCL 2600 Page 1 pinal nerves branch upon exiting the spinal cord and form a ventral anterior root and a dorsal posterior root e contained in the and bring information to the CNS from the outside Cell bodies are re found outside the CN In structures called nglia dorsal root gangliaga re found in th an ke information to the periphery Cell bodies are with cell les in the ma cor aE QFQVQH TS 29Qltc 0 e Cec39kDV ce LmuSCleSe CD Peripheral nervous system Two functional branches Transmits conscious grceptions of environment All afferents are sensing vision taste hearino painl temperature Efferents connect CNS to the skeletal muscle I QCHS are very lo Cell bodies of efferents are in CNS go directly to skeletal muscle without synapsing anywhere Abe I I 396 Veagoh For m ek hod oh else vl YOLA m6r VCV 90w was pangs Re C lcgtlteS NOLAC no k be 4306 ChOgkfsh 0v read qtQCK ehOLkah s Peripheral nervous system Two functional branches I Transmit information from internal organs via afferent sensory neurons Not consciously perceived materm Efferent neurons comm the CNS to smooth muscle gammussle and glands Efferents are two neuron chain with one synapse Cell body of rst neuron is in the CNS synapse is outside of CNS second cell body is in group call s CNS Brain and Spinal Cord Types of tissue cell bodies dendrite and axons of unmyelinated neurons Considered the processing center of CNS Where mos l dalsVDl S in ne CNS are We e M hm quot WWZS o F ha CNS Ceecrica Co caafcr 5 71st arm mkes Ucp gracing because hel In a IA An AP AP C PHCL 2600 Page 2 cell Domes dendrite and axons of unmyelinated neurons Considered the processing center of CNS mostly myelinated axons from cell bodies located in the gray matte Considered the conducting area of the CNS r 39 ymres 09 ha CNS exec irrica wV fCX TB Tvus arm mkes up 9min MQLA Q hel aveuuwcde o ems ms area NOS ire Prme o he stOJH mam xl ms chmx Cwiu ho Mtge 8mm Forms an H shape in spinal cord and IS surrounded by white matter Forms a surface covering the entire exterior of the brain with white matter towards the interior of the brain Interior of the brain contains small clum s of QM wit int e w ite matter Called val 39Irnon quotor r 1 Mn new an no gt Revel3c SkOdh Linot oxcrucodki Whi CC a 3mg W lquot Sham is where Qs are OCOc Vedi 1 Supporting structures Two layers of support for the CNS m skull or cranium Vertebral column Intervertebral discs Um m i ev a e hp mickeSk mos r IQQCUAOM Alfaonnoiol 9 camer in ow oomines Pia max rev 9 Q lool oinnJ AhirxweS m IOLQCUQOKY Mean ir 0 dietusel veggies c bucvaviixcs beast g Two major functions Protect and support the brain Bony layer is hard and functions as a case for the brain Isolate cerebral blood vessels from extracranial variations in pressure Again hard case will isolate brain and anything supplying it from outside 11 PHCL 2600 Page 3 Vertebrae the bony structure that surrounds and protects the entire length of the spinal cord Consist of b structuies called mebrae 39 made up of connective 7 tissue separate the vertebrae Tissue surrounds semi uid material Act as shock absorbers keep vertebrae from rubbing against one another wear and tear quot39 H one rwpmg or p ouer eye Frame pain Niacin 01 ver l clome cEs Sneak absorbed Lidia Three layers next to bone thickest layer Made up of two sublayers A and B middle layer Thinner weblike layer next to nervous tissue Thinnest layer of meninges 3 mod Over0ps 2 pin 2ch brain cevetceJchwng lt19on Diseases quot Mani iHs blood is Co o torcum gcszdwoq erCka t oW H aura and lotood hag eSCoxpzd Oxbm e bvo araChhoid io Smbmchho hemorrmae Wad cud blood has escaped L0x lot3 loll0 Pia Mam cw PHCL 2600 Page 4 s Meninges I this is space between pia mater and arachnoid layers Filled with uid called cerebral spinal uid CSF gt Provides a little extra protection to the nervous tissue Layers surround both the brain and the spinal cord LIInigh Three structures created by Dura mater Sickle shaped fold that separates the cerebral hemispheres in the longitudinal ssure an extension of the falx cerebri that forms a midline partition in the cerebellum along the vermis g a tent over the cerebellum 1 Usually quite small Can get larger with large pools of cerebral Spinal uid in structures called y pool of cerebral spinal gt ltiiidat the end or the spinal cord This ie where most spinal tape for ESP are performed to avoid doing much damage to the FIE WUU E HES E PHCL 2600 Page 5 helps Moria some CXH ox preswa Where Maids ave wileoh awn ltgt Aes x InPeCPlo ns cm Mr i Wrong p Opc S ogre w Arius ctucid blood eveAS
Are you sure you want to buy this material for
You're already Subscribed!
Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'