Rinse the abdomen carefully with water for several minutes until the cavity is clean. Locate the liver and use it as a reference point to find other structures.
Cat dissection special senses labs 41.
Cat dissection abdominal cavity labeled. The thoracic cavity is divided into three chambers by membranous tissue and accommodate the following organs: Inside the abdominal cavity, squished among the intestine and stomach, were the two long horns of the uterus, swollen to almost unrecognizable proportions. See more ideas about dissection, anatomy, anatomy and physiology.
The abdominopelvic cavity is the largest cavity in the body. Embedded within the liver, but easy to spot, is the gall bladder. Obtain all necessary dissecting instruments.
Peeking out of a slit in one of the horns was a tiny, perfectly formed kitten. Virtual fetal pig dissection anatomical references regions of the pig anterior and posterior dorsal and ventral medial and lateral proximal and distal sexing your pig is it a male? Brain (dorsal view) male urogenital system (ventral).
Open the jaw wide enough so that the glottis and epiglottis are exposed. I reached the table and looked at the cat on the dissection table. Two, each lodges a lung.
Organs of the abdominal cavity Males have a scrotum and a prepuce,a small mound anterior to the scrotum in which the penis is located. During this lab, students carefully teased the muscles and tissues away to reveal the arteries and veins.
It has 4 lobes and a very obvious presence in the abdominal cavity. Cat dissection digestive labs 45. And the pectoantebrachialis is labeled pectoralis descendens.
Place your cat in a dissection tray with the abdominal surface face up. For small animals, such as a rat. Although no membrane physically divides the abdominopelvic cavity, it can be useful to distinguish between the abdominal cavity, the division that houses the digestive organs, and the pelvic cavity, the division that houses the organs of reproduction.
There is a layer of fat that covers all the organs, this layer is called the greater omentum. The organs lodged in the coelome are collectively termed viscera. Use a scalpel to make a y incision in the thoracic cavity and then continue the abdominal cavity as shown in the diagram.
Use a cat dissection to study the organs of the ventral body cavity; If you have completed the dissection of the circulatory and respiratory systems, the abdominal cavity is already exposed and many of the digestive system structures have been previously identified. The goal was to identify each of the vessels on their lab guide and pass a lab test at the end of the activity where they are asked to locate the vessels.
Recall that the kidneys sit far to the back of the abdominal cavity, and are. After a y incision is made, students carefully remove the pericardium and tissue surrounding the heart so. The largest organ in the abdominal cavity is by far the liver, just below the diaphragm (the flap of muscle separating the abdominal from the thoracic cavity).
Cornea pupil sclera iris 43. Are slightly different in location from cat to cat. Its upper boundary is the diaphragm, a sheet of muscle and connective tissue that separates it from the chest cavity;
Cat anatomy dissection guide superficial muscles. A careful dissection will reveal structures we have learned in class. Place your cat ventral surface up on the dissecting tray.
Its lower boundary is the upper plane of the pelvic cavity. Cut this vein so you can lay the umbilical cord back between the pig’s hind legs. Vertically it is enclosed by the vertebral column and the abdominal and other muscles.
Remember to bring gloves, goggles, dissecting kit, appropriate shoes, and photographic atlas. 2) following the diagram of cut lines in your dissection guides, proceed to cut open the cat just inside the body cavity, through the ribcage, toward the head and then down each limb. Pin each side of the abdominal wall to the dissection tray, or trim it out of the way.
Extrinsic eye muscles sclera cornea lens, whole pupil iris vitreous humor within the posterior cavity (retina visible) choroid 44. Cavity, with digestive tract highlighted (ventral) female reproductive system (ventral) lower abdominal cavity, with prominent veins and arteries (ventral). If you find a dark brown substance coating the abdominal organs, blood has leaked into the abdomen and must be flushed out.
Use virtual human dissection software and a human model to observe the organs of the respiratory, digestive, urinary, and reproductive systems. Learn vocabulary, terms, and more with flashcards, games, and other study tools. A muscular partition divides the coelom into a small thoracic cavity in front and a large abdominal cavity behind.
2 cat dissection anterior (cephalad) posterior (caudal) superior (dorsal) inferior (ventral) 3. Learn vocabulary, terms, and more with flashcards, games, and other study tools. A few snips from the scissors can cut connective tissue and allow you to set the intestines aside to examine other structures in the back of the abdominal cavity.
Just below the diaphragm is the largest organ in the cat, the liver. When breathing, air passes through the nasal passages to the pharynx.the pharynx is the space in the posterior portion of the mouth that both food and air pass through. Don’t forget the neck area as well.
Gently remove the fascia with blunt instruments to separate the blood vessels from other structures. The epiglottis projects up through the soft palate into a region called the nasopharynx.the hard palate and soft palate separate the nasal and oral cavities. In this investigation you will explore the abdominal and thoracic cavity of the cat.
Dissection of the digestive system of the cat obtain your cat and tray, place it dorsal surface down. Return any organs you remove to the cat, you made need them for the final lab test. Abdominal cavity, largest hollow space of the body.
Identify the gender of your cat. Notice the umbilical vein connecting the umbilical cord with the liver. Submaxillary gland abdominal cavity parietal peritoneum lymph gland visceral peritoneum masseter greater omentum.
This will expose internal organs. 3) split open the cavity and open the flaps of tissue. Cornea sclera extrinsic eye muscles 42.
More dissection images can be seen at the cat dissection gallery.