The liver is responsible for making bile for digestion.ģ. This structure is lobed and is the largest organ in the body. Muscle divides the thoracic and abdominal cavity and is located near the ribcage.Ģ. Locate each of the organs below, check the box. With water and preservative, drain over the sink if necessary and rinse You will need to cut this vein in order to open up the abdominal In the first section, you will only examine the abdominalĬuts, locate the umbilical vein that leads from the umbilical cord to To cut through the skin and muscles according to the diagram. Your pig so that the legs are spread eagle and not in your way. Will make it easier for you to find the organs and structures. Remember, that to dissect means to "expose to view" - a careful dissection Open the abdominal and thoracic cavity of the fetal pig and identify structures. Image Credit: Fetal Pig Dissection Manual, Alexandra Altamura The salivary glands kind of look like chewing gum, and are often lost Neck to expose the masseter muscle that works the jaw, lymph nodes, and salivary In your dissecting pan and cut away the skin from the side of the face and upper Remove the eyelid so that you can view the eye underneath.ĭeveloped? Do you think pigs are born with their eyes open or shut? The length of the fetal pig can give you a rough estimate of itsġ1mm - 21 days | 17 mm - 35 days | 2.8 cm - 49 daysĤ cm - 56 days | 22 cm - 100 days | 30 cm - birthħ. ![]() Make sure that you can distinguish the glottis from the esophagus.ġ12-115 days. The small opening in the center of the epiglottis is the glottis and it leads to the trachea and then to the lungs. Locate the epiglottis, a cone-shaped structure which closes when a pig swallows. Use a scalpel to cut the angles of the jaw so that you can open the mouth up far enough to view the back of the throat. Teeth? _ How many? _ Are humans born with teeth? _Ĥ. Sensory papillae) on the side of the tongue. The hard and soft palate on the roof of the mouth. ![]() Of the body | Lateral: toward the outside of the body Proximal: close to a point of reference | Distal: farther from a point of reference Terms of reference: anterior, posterior, dorsal, ventral. Of nipples, and the umbilical cord will be present in both. On males, the opening is located near the umbilical cord.Īlso note that urogenital papilla is present near the genital opening. Fetal Pig Lab Guide - lists all of the structures you will need to know for the test External Anatomy of the Fetal Pigīy looking for the urogenital opening.
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