Lab 12: Fetal Pig Dissection

this anatomical plane describes the belly side/lower side of an animal

ventral

this anatomical plane describes the back side/upper side of an animal

dorsal

this anatomical plane describes the front/towards the head side of an animal

anterior

this anatomical plane describes the back/towards the end side of an animal

posterior

this cavity holds the respiratory (lungs) and cardiovascular system (heart)

thoracic cavity

this cavity holds the digestive system (stomach, intestines, etc.)

abdominal cavity

this cavity holds the reproductive system

pelvic cavity

this large, dome shaped muscle separates the thoracic and abdominal cavities

diaphragm

this cavity holds the brain and cranium

cranial cavity

this cavity holds the spinal cord

spinal cavity

female pigs have the presence of a small, nipple-like structure below the tail. this is referred to as a ___

urogenital papilla

male pigs have testes, which are held in ___

scrotal sacs

this structure in male pigs is caudal (anterior) to the umbilical cord, and serves as a passageway for urine and semen

urogenital opening

true or false: mammary glands are the best way to identify the sex of a pig

false. mammary glands are not the best way to identify the sex of a pig because makes and females have them

the developing embryo or fetus is connected to the placenta via the ___

umbilical cord

in the umbilical cord, oxygenated blood and nutrient rich blood are brought from the placenta to the fetus via one ___

umbilical vein

in the umbilical cord, waste is carried from the fetus to the placenta via two ___

umbilical arteries