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FETAL PIG DISSECTION SECTION I: EXTERNAL FEATURES Anatomical Orientation (all) _______________ Epitrichium _______________ Regions of the Body (all) _______________ Head Region 1. Pinna 2. External Nares 3. Eyelids 4. Nictitating Membrane _______________ _______________ _______________ _______________ Trunk Region 5. Thoracic 6. Lumbar 7. Sacral _______________ _______________ _______________ Umbilical Cord 8. Umbilical Arteries 9. Umbilical Vein 10. Allantoic Duct _______________ _______________ _______________ Appendages 11. Forelimb (all) 12. Hindlimb (all) _______________ _______________ _______________ Sex of YOUR Pig 13. Female Urogenital Opening Anus Genital Papilla 14. Male Scrotum Urogenital Opening _______________ _______________ _______________ _______________ _______________ _______________ _______________ Mammary Papillae _______________ SECTION II: THE DIGESTIVE SYSTEM Facial Features and Glands 1. Subcutaneous Fat 2. Parotid Gland (Do Not Cut) 3. Parotid Duct 4. Mandibular Gland 5. Masseter 6. Lymph Nodes 7. Facial Nerve _______________ _______________ _______________ _______________ _______________ _______________ _______________ Oral (Buccal) Cavity 8. Tongue Papillae 9. Milk Teeth 10. Hard Palate 11. Soft Palate 12. Pharynx 13. Esophagus 14. Glottis 15. Epiglottis 16. Eustachian Tubes _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ Incision _______________ Body Cavities (Coelom) 17. Diaphragm 18. Thoracic Cavity 19. Pericardial Cavity 20. Pleural Cavities 21. Abdominal (Peritoneal) Cavity 22. Coelomic Fluid _______________ _______________ _______________ _______________ _______________ _______________ Epithelial Linings 23. Visceral Peritoneum 24. Parietal Peritoneum 25. Visceral Pericardium 26. Parietal Pericardium 27. Visceral Pleura 28. Parietal Pleura 29. Messenteries _______________ _______________ _______________ _______________ _______________ _______________ _______________ Glands 30. Thymus Gland 31. Thyroid Gland _______________ _______________ Abdominal Cavity 32. Mouth 33. Esophagus 34. Stomach Meconium Rugae 35. Cardiac Sphincter 36. Pyloric Sphincter 37. Small Intestine Duodenum Jejunum Ileum Villi (dissecting scope) Microvilli (microscope) 38. Messenteries 39. Lymph Nodes 40. Caecum 41. Ileocecal Valve 42. Colon (dissecting scope) 43. Rectum 44. Anus _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ Other Digestive Organs 45. Liver 46. Gall Bladder 47. Hepatic Duct 48. Cystic Duct 49. Pancreas 50. Spleen _______________ _______________ _______________ _______________ _______________ _______________ SECTION IV: CIRCULATORY SYSTEM Pulmonary Circuit 1. Heart 2. Pericardial Sac 3. Pericardial Cavity 4. Coronary Artery 5. Coronary Vein 6. Anterior Vena Cavae 7. Posterior Vena Cavae 8. Right Atria 9. Right Ventricle 10. Pulmonary Trunk 11. Pulmonary Artery 12. Lungs 13. Pulmonary Vein 14. Left Atria 15. Left Ventricle 16. Aortic Arch 17. Aorta 18. Valves (all) _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ Systemic Circuit: Veins Anterior to the Heart 1. External Jugular Vein 2. Internal Jugular Vein 3. Vagus Nerve 4. Subclavian Vein 5. Right Brachiocephalic Vein 6. Left Brachiocephalic Vein 7. Anterior (Cranial) Vena Cava _______________ _______________ _______________ _______________ _______________ _______________ _______________ Systemic Circuit: Arteries Anterior to the Heart 1. Aortic Arch 2. Brachiocephalic Trunk 3. Right Subclavian Artery 4. Left Subclavian Artery 5. Common Carotid Artery 6. Internal Carotid 7. External Carotid _______________ _______________ _______________ _______________ _______________ _______________ _______________ Systemic Circuit: Arteries Posterior to the Heart 1. Coeliac Artery 2. Cranial (Superior) Mesenteric Artery 3. Adrenal Gland 4. Renal Arteries 5. External Iliac Arteries 6. Internal Iliac Arteries _______________ _______________ _______________ _______________ _______________ _______________ Systemic Circuit: Veins Posterior to the Heart 1. External Iliac Veins 2. Internal Iliac Veins 3. Common Iliac Vein 4. Posterior Vena Cava 5. Renal Veins _______________ _______________ _______________ _______________ _______________ Hepatic Portal System _______________ Fetal Circulation _______________ SECTION III: RESPIRATORY SYSTEM Head and Throat Region 1. External Nares 2. Nasal Cavities 3. Nasopharynx 4. Glottis 5. Larynx 6. Vocal Cords _______________ _______________ _______________ _______________ _______________ _______________ Pleural Cavity 7. Trachea 8. Bronchi 9. Bronchioles 10. Alveoli 11. Right Lung 12. Left Lung 13. Pleural Membranes 14. Diaphragm _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ SECTION V: UROGENITAL SYSTEM Excretory System 1. Kidneys Renal Pelvis Medullary Tissue (Medulla) Cortex Glomeruli Bowman’s Capsules Proximal Convoluted Tubules Distal Convoluted Tubules Loops of Henle Collecting Ducts _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ 2. 3. 4. 5. 6. 7. 8. Adrenal Glands Ureter Urinary Bladder Urethra Allantoic Duct Allantois Urogenital Opening _______________ _______________ _______________ _______________ _______________ _______________ _______________ Female Reproductive System 9. Urogenital Sinus/ Vaginal Vestibule 10. Labia 11. Genital Papilla 12. Clitoris 13. Urethra 14. Vagina 15. Cervix 16. Uterus 17. Uterine Horns 18. Oviducts 19. Ovaries _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ Male Reproductive System 20. Scrotum 21. Gubernaculum 22. Testis 23. Epididymis 24. Spermatic Cord 25. Inguinal Canal 26. Vas Deferens 27. Spermatic Artery 28. Spermatic Vein 29. Penis 30. Urethra 31. Seminal Vesicles 32. Prostate Gland 33. Bulbourethral (Cowper’s) Glands _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________ _______________