Male Urogenital and Reproductive Anatomy Using a scalpel, cut through the top of the stomach and the bottom of the rectum to remove the digestive system. Illustrated by Sarah Joy Herget …

Digestive Anatomy of the Dogfish Shark •A smooth, shiny membrane called peritoneum can be seen lining the inside of the body wall. •The liver –largest organ –3 lobes •two main lobes, the …

2016年5月13日 · The Internal Anatomy: 16. Using your scalpel and scissors make an incision down the center of the shark’s ventral side that starts in between the shark’s pectoral fins and …

Before dissection, ask students to note the various adaptive external structures of the dogfish. Examine the pelvic fins to determine its sex. A male has a long, rigid structure called a clasper …

Lesson Plan: Dogfish shark Dissection Background: Dogfish sharks are vertebrates in a class called Chondrichthyes. This group of fish are also called cartilaginous fish because their …

The straight stomach has internal rugae and ends with a muscular pyloric sphincter. The small intestine is the duodenum anteriorly, and then a long coiled portion with internal small folds …

The large central cavity; epithelium-lined space that contains the visceral organs and a small amount of fluid. The small cranial portion of the coelom surrounding the heart. The larger …

Be able to identify the following external features on the shark: 1. Paired Pectoral and Pelvic fins. In male sharks, the pelvic fins are modified to form rodlike Claspers that aid in mating. 2. The …

Study with Quizlet and memorize flashcards containing terms like heart, kidney, spinal nerve cord and more.

Study with Quizlet and memorize flashcards containing terms like Mesentery, Liver (left lobe), Liver (right lobe) and more.

This video details the internal anatomy of a dogfish shark.

The hepatic ducts and bile duct empties into the duodenum as in the shark, but may be difficult to see. The irregular pinkish mass of the pancreas lies on the hepato-duodenal ligament and is …

Post-Lab – Answer the following questions before continuing with your dissection: 1. How is the shark’s digestive system different from a human’s? 2. How is the shark’s circulatory system …

2021年4月6日 · This is an educational video showing the internal anatomy of a preserved dissected dogfish. Intended for college level biology students.

Fertilization is internal, and most shark "pups" hatch internally, to continue their development within the uterus of the mother. After a period of gestation (up to two years in the spiny …

Sharks used in dissection classes are usually the dogfish: Squalus acanthias. Because of its ready availability and primitive chordate structure, it is often the only fish a student will dissect …

What sex is this shark? Part labeled a: the heart chamber that receives blood. Study with Quizlet and memorize flashcards containing terms like Ampullae of Lorenzini, Periotoneum, …

Lab Activity: Dogfish Shark Dissection (Adapted from Bohensky, 2002) Background: Biologically, sharks are fish belonging to the Phylum Chordata and the subphylum Vertebrata. However, …

learn about shark anatomy Concept: 1. Shark adaptations include a flexible and streamlined cartilaginous body, an asymmetrical tail for lift, oil for buoyancy, a spiral valve for faster …

Dissecting a dogfish shark provides students with a hands-on opportunity to study the internal anatomy of this fascinating creature. Through this dissection procedure, students can gain a …