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Fetal Pig Dissection

Fetal Pig Dissection. Pre-Lab And Review. The fetal pig was found in a sow marked for slaughter, and was never born. It was then given to us for use in science.

merrill-jensen
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Fetal Pig Dissection

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  1. Fetal Pig Dissection Pre-Lab And Review

  2. The fetal pig was found in a sow marked for slaughter, and was never born. It was then given to us for use in science. • Sus scrofa is the technical name of the domestic pig. They eat both plants and animals. Their body temperature is slightly higher than humans. They live 15 to 20 years. Pigs are often used in experiments on human drugs. There is a new “mini-pig” that weighs 100-150 lbs. especially for that use. • During gestation, there is an exchange of substances between the blood of te mother and of the embryo across the placenta through the umbilical cord.

  3. Our pig is 34 cm long, and was 112-115 days old at birth, which is full term.

  4. Ventral (inferior) Posterior (caudal) Anterior (cranial) Anatomical Directions Lateral Median Sagittal Transverse Frontal (coronal) Distal Dorsal (superior) Proximal

  5. Lumbar region Mammilary papillae tail ankle Umbilical cord

  6. Our fetal pig is male. How many pairs of mammary papillae do you count? 7 ½ pairs Do all specimens in class have the same amount? No

  7. Pig Toes Only the 2nd, 3rd, and 4th digits touch the ground. The 1st is nonexistent and the 5th never touches it. 2nd/3rd Digits 4th Digit

  8. Salivary Glands Masseter Muscle Parotid Gland Facial Nerve, Dorsal Branch Facial Nerve, Ventral Branch Submaxillary Gland External Maxillary Vein Stensen’s (Parotid) Duct.

  9. Teeth 3/3 Incisors 1/1 Canines 4/4 Premolars 0/0 Molars

  10. Nostril Oral Cavity Hard Palate Soft Palate Epiglottis Opening to Naso-Parynx Corner of Mouth (cut surface) Tongue Papillae of Tongue

  11. Canine Tooth Hard Palate Corner of mouth Soft Palate Opening to Naso-Pharynx Opening to Trachea Mandible Epiglottis

  12. Stomach Liver L. I. S. I. Umbilical Artery

  13. L.I. Liver Umbilical Artery S.I. Urinary Bladder Kidney, Spleen, Ceacum, and Stomach not shown

  14. Stomach Pancreas L.I. Liver S. I.

  15. Human Digestive System

  16. Computer: Jennifer Taylor Photographer: Shalae Mitchell Dissector: Amber Burnett

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