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SPINAL CORD & SPINAL NERVES. MARTINI, ANATOMY & PHYSIOLOGY, 7 TH EDITION, CHAPTER # 13 LAB MANUAL, CHAPTER #7. PRESENTATION CREATED BY ALFONSO A. PINO. MD. COLLABORATOR: PROFESSOR NIDIA ROMER. NOTE:. THIS IS A STUDY GUIDE , NOT AN ALL INCLUSIVE REVIEW. - PowerPoint PPT Presentation
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04/25/23 ALFONSO A. PINO. MD. 1
SPINAL CORD & SPINAL NERVESSPINAL CORD & SPINAL NERVES
MARTINI, ANATOMY & PHYSIOLOGY, 7TH EDITION, CHAPTER # 13
LAB MANUAL, CHAPTER #7
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PRESENTATION CREATED BYPRESENTATION CREATED BY ALFONSO A. PINO. MD. ALFONSO A. PINO. MD.
COLLABORATOR:COLLABORATOR:PROFESSOR NIDIA ROMER.PROFESSOR NIDIA ROMER.
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NOTE:NOTE:
THIS IS A STUDY GUIDE, NOT AN ALL INCLUSIVE REVIEW.
THERE MIGHT BE THINGS NOT COVERED BY THIS STUDY GUIDE THAT MIGHT BE ASKED IN YOUR PRACTICUMS /
QUIZZES.
STUDENTS ARE RESPONSIBLE FOR READING THEIR TEXBOOK (S) AND FOR ALL THE MATERIAL COVERED DURING THE LABORATORY PERIOD, AS PER THE COURSE SYLLABUS
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SPINAL MENINGESSPINAL MENINGES SURROUDS THE SPINAL CORD FOR PHYSICAL STABILITY & SHOCK ABSORPTION WALL OF VERTEBRAL CANAL (NO PART OF MENINGES) EPIDURAL SPACE- CONTAINS FAT AND BLOOD VESSELS
IMP FOR ANESTESIC INJECTION DURA MATER- OUTERMOST COVERING OF SPINAL CORD SUBDURAL SPACE ARACNOID MATER SUBARACNOID SPACE- FILLED WITH CSF CSF- SHOCK ABSORBER DIFFUSIUM MEDIUM FOR WASTES, GASES, NUTRIENTS & CHEMICALS PIA MATER -PIA=DELICATE, MATER=MOTHER FOR NOURISHEMENT
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SPINAL CORDSPINAL CORD DENDICULAR LIGAMENTS- PREVENT LATERAL MOVEMENT OF THE SPINAL CORD CONUS MEDULARIS- END PART OF THE SPINAL CORD, LIKE A CONUS CAUDA EQUINA- NERVE FIBERS EXTENDING AFTER CONUS MEDULARIS, LIKE A HORSE TAIL FILUM TERMINALE- TO ANCHOR SPINAL CORD
VERTICALLY BY CONNECTING IT WITH COCCYX F- TO PREVENT UP & DOWN MOVEMENT GRAY MATTER- IT HAS NUCLEI POSTERIOR (DORSAL) HORNS –SOMATIC & VISCERAL SENSORY NUCLEI ANTERIOR (VENTRAL) HORNS-SOMATIC MOTOR NUCLEI LATERAL HORNS- AUTONOMIC (VISCERAL) NUCLEI
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GREY COMMISSURE- TO CONNECT TWO SIDES OF THE GREY MATTER CENTRAL CANAL (THE HOLE IN THE MIDDLE)- CONTEINS CSF(CEPHALO SPINAL FLUID) WHITE MATTER- IT HAS TRACS OR FASCICULUS POSTERIOR (DORSAL) WHITE COLUMN (FUNICULUS) CARRY SENSORY INFO LATERAL WHITE COLUMN (FUNICULUS)- CARRY SENSORY & MOTOR INFO ANTERIOR (VENTRAL) WHITE COLUMN (FUNICULUS) CARRY SENSORY & MOTOR INFO ANTERIOR MEDIAN FISSURE- DEEP GROOVE POSTERIOR MEDIAN SULCUS- SHALLOW GROOVE
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POSTERIOR ROOT- CARRY SENSORY INFO
POSTERIOR ROOT GANGLIA- CONTEINS SENSORY NEURONS
ANTERIOR ROOT- CARRIES MOTOR INFO
POSTERIOR RAMUS (SMALLER)- CARRIES SENSORY & MOTOR INFO ANTERIOR RAMUS- (THICKER)- CARRIES SENSORY & MOTOR INFO
SPINAL NERVESSPINAL NERVES
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PLEXUSESPLEXUSES
CERVICAL BRACHIAL LUMBAR SACRAL
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CERVICAL PLEXUSCERVICAL PLEXUS
SERVES OR INNERVATES NECK & SHOULDER PHRENIC NERVE- IT EXTENDS BELOW THE SHOULDER TO THE DIAPHRAGM. IT CAUSES THE DIAPHRAGM TO CONTRACT
IMP- FOR BREATHING
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BRACHIAL PLEXUS- SERVES OR INNERVATES UPPER LIMB & SHOULDER
AXILLARY N- SERVES DELTOID & TERES MINOR AND SKIN OF THE SHOULDER (FROM ANTERIOR TO POSTERIOR)- RADIAL NERVE- SERVES POSTERIOR UPPER LIMB MUSCULOCUTANEOUS N-SERVES ANTERIOR ARM, BICEPS BRACHII & BRACHIALIS MEDIAN N- SERVES ANTERIOR FOREARM ULNAR N- SERVES ANTERIOR HAND
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LUMBAR PLEXUSLUMBAR PLEXUS
IT SERVES OR INNERVATES SKIN & SOME MUSCLES OF ANTERIOR ABDOMEN, BUTTOCKS, GENITALIA, ANTERIOR LATERAL & POSTEROMEDIAL THIGH & MEDIAL SURFACE OF LEG AND FOOT
FEMORAL NERVE: ANTERIOR MUSCLES OF THE THIGH, FLEXORS & ADDUCTORS OF THE HIP, SKIN OF THE THIGH(ANTERO MEDIAL SURFACE) & SKIN OVER THE MEDIAL SURFACE OF LEG AND FOOT
RECTUS FEMORIS VASTUS MEDIALIS VASTUS LATERALIS VASTUS INTERMEDIUS
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LUMBAR PLEXUS & SACRAL PLEXUSLUMBAR PLEXUS & SACRAL PLEXUS
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SACRAL PLEXUSSACRAL PLEXUS
IT SERVES OR INNERVATES: BUTTOCK (GLUTEUS) & POSTERIOR LOWER LIMB, ANTERIOR LEG & FOOT LATERAL LEG, SOME MUSCLES OF GENITALIA INCLUDING EXTERNAL ANAL AND URETHRAL SPHINCTERS
SCIATIC N (THIKER)- SERVES POSTERIOR THIGH COMMON PERONEAL N (GOES ANTERIORLY)- SERVES
ANTERIOR LEG & FOOT TIBIAL N (GOES POSTERIORLY)- SERVES POSTERIOR LEG
& FOOT
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LUMBAR PLEXUS & SACRAL PLEXUSLUMBAR PLEXUS & SACRAL PLEXUS
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REMEMBER!REMEMBER!
GO TO THE TUTORING ROOMGO TO THE TUTORING ROOMAND PRACTICE WITH MODELS.AND PRACTICE WITH MODELS.
ROOM 3326.ROOM 3326.
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