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Cerebrum = largest portion -left and right cerebral hemispheres divided by the longitudinal fissure -connected by t PowerPoint Presentation
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Cerebrum = largest portion -left and right cerebral hemispheres divided by the longitudinal fissure -connected by t - PowerPoint PPT Presentation

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Cerebrum = largest portion -left and right cerebral hemispheres divided by the longitudinal fissure -connected by t
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  1. Cerebrum • Cerebrum= largest portion • -left and right cerebralhemispheres divided by the longitudinal fissure • -connected by the corpus callosum • -folded into ridges and grooves: grooves = sulci • -sulci divide the cerebrum into lobes • -ridges = gyri(gyrus) • many gyri and sulci have specific names • e.g. Central sulcus • Frontal and parietal lobes

  2. Cerebrum • -cerebrum is comprised of white and • gray matter: • 1. white matter - neurons with • long, myelinated axons • -organized into tracts • -three categories of tracts • commisural – join areas between hemispheres • e.g. corpus callosum • b. association – joins areas within • a hemisphere • c. projection – joins cerebrum to brain stem

  3. Protection: CSF • brain contains fluid-filled chambers = Ventricles • Chambers in central passageway of the brain • 2 lateral ventricles, 1 third ventricle, 1 fourth ventricle • connects to the central canal which runs into the spinal canal • These chambers contain cerebrospinal fluid

  4. I III II V VI VII IX VIII X

  5. Cervical • and lumbar • enlargements

  6. Dorsal Ramus Ventral Ramus Spinal nerve Ventral Root Dorsal Root Dorsal Root ganglion

  7. Dorsal Ramus Dorsal Root Ventral Ramus Ventral Root Rami Communicantes

  8. The Cervical and Brachial Plexus

  9. The Lumbar and Sacral Plexuses,

  10. Right Atrium • Receives blood from 3 sources • superior vena cava, inferior vena cava and coronary sinus • Interatrial septum partitions the atria • Fossa ovalis is a remnant of the fetal foramen ovale • Tricuspid valve • Blood flows through into right ventricle • has three cusps composed of dense CT covered by endocardium Right atrium Interatrial septum Tricuspid AV valve

  11. Papillary muscle Chordae tendinae

  12. Semilunar Valves(pulmonary)

  13. SA node Bundle of His AV node Bundle branches Purkinje fibers

  14. Left Common Carotid Brachiocephalic Trunk Left Subclavian Superior Vena Cava Aortic Arch Ascending Aorta Pericardium

  15. Left Common Carotid Left Subclavian Aortic Arch Parietal Pricardium Diaphragm

  16. Right Conus artery Left coronary artery Left Marginal Artery & vein Right coronary artery Anterior Interventricular Small cardiac vein Great Cardiac Vein Right Marginal artery Anterior Interventricular Green dots on veins

  17. Great Cardiac Vein Circumflex artery Posterior Interventricular Artery (right & left) Coronary Sinus Green dots on veins

  18. vertebral thyrocervical suprascapular thoracoacromial Common Carotid subscapular circumflex humeral deep radial brachial radial collateral ulnar collateral brachial radial ulnar

  19. Radial collateral Ulnar collateral brachial Common interosseous radial ulnar interosseous Deep palmar arch Superficial palmar arch Digital arteries

  20. posterior auricular superficial temporal maxillary occipital internal carotid external carotid carotid sinus facial lingual superior thyroid

  21. Inferior Vena Cava Celiac Superior Mesenteric Renal Gonadal Inferior mesenteric Common Iliac

  22. Left Gastric Splenic Hepatic Proper Splenic Vein Common Hepatic Celiac trunk Inferior Mesenteric

  23. Left Colic Artery Sigmoid Superior Rectal

  24. Common iliac External iliac Internal iliac Ascending br Of Lateral circumflex Lateral circumflex Obturator Deep femoral Medial circumflex Descending br Of Lateral circumflex Femoral

  25. Deep Femoral Femoral Genicular Descending br Of Lateral circumflex Genicular Arteries of the Knee Anterior Tibial

  26. Eustacian tube With tubal tonsil

  27. Parotid Sublingual Submandibular

  28. Thoracic Aorta Esophagus Diaphragm Liver

  29. FUNDUS LESSER CURVATURE BODY GREATER CURVATURE PYLORIC REGION PANCREAS DUODENUM

  30. Lesser Omentum Liver Stomach Gallbladder Descending Colon Transverse Colon Ascending Colon Mesentery of Small Intestine Small Intestine

  31. Right & Left Hepatic Ducts Common Hepatic Duct Pancreatic Duct Gallbladder Cystic Duct Ampulla of Vater Common Bile Duct

  32. Hepatic Portal Vein Splenic Vein Common Bile Duct Superior Mesenteric Vein Inferior Mesenteric Vein

  33. kidney URETER URETER BLADDER

  34. Renal Papilla Renal Pyramid Minor Calyx Major Calyx Renal Cortex Renal Pelvis Renal Medulla URETER

  35. Bladder Rectum Prostate Corpus spongiosum Prostatic Urethra Membranous Urethra Corpus cavernosum Spongy/ Penile Urethra Glans Penis Testes External Urethral Orifice

  36. Corpus cavernosum Corpus spongiosum Spongy/ Penile Urethra Vas Deferens Epididymus Spermatic Cord Testes

  37. pampiniform plexus Vas deferens testicular artery Epididymus Seminiferous Tubules Tunica Albuginea Tunica Vaginalis -testis: develop internally near the kidneys and descend through the inguinal canal during the latter half of the seventh month gestation -covered by several protection membranes 1. tunica vaginalis – serous membrane derived from the peritoneum, forms during the descent of the testes -injury to the testes can cause an accumulation of fluid within the membrane = hydrocele -allows for easier movement of the testes within the scrotum 2. tunica albuginea – internal to the TV -extends inward to divide the testes into lobules (200-300) -each lobule contains 1 to 3 coiled seminiferous tubules for sperm production

  38. Round ligament Broad ligament Fundus Fundus Ovary Bladder Fornix Body Fimbrae of oviduct Fallopian Tube (oviduct) Cervix Bladder Rectum Vaginal canal Urethra External urethral orifice Labia minora Vaginal orifice Labia majora