Shark Lab Practical
Terms
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- ampullae of lorenzini
- bioreceptors that detect electrical signatures of prey, sense water pressure and temperature
- spiracle
- a site for water intake
- nostril
- detects chemicals in the water
- rostrum
- anterior protrusion of the head
- ostium of the oviduct
- single opening of both the right and left oviducts
- ovary
- site of oogenesis and site of production of sex hormones
- oviduct
- channel that transports eggs from the ovary, through the shell gland, and to the uterus
- shell gland
- site of fertilization of eggs and site of sperm storage, also secretes a thin membrane over each egg as it passes through on its way to the uterus
- uterus
- where the fertilized egg implants and grows
- epididymis
- stores sperm while they mature
- seminal vesicle
- enlarged extension of vas deferens. site where seminal fluid is created, allowing sperm to swim
- sperm sac
- receive seminal fluid
- testis
- site of creation of sperm and production of androgen hormones (testosterone)
- vas deferens
- transports mature sperm from the testes from the epididymis to the seminal vesicle
- lateral line
- detects water currents, pressure changes, and movement in the water
- urinary/urogenital papilla
- urine passes through this structure
- rectal gland
- excretes salts from the body
- bile duct
- delivers secretions from the gall bladder to the duodenum
- gallbladder
- concentrates bile
- spleen
- recycles old red blood cells and platelets, initiates responses by T-cells and B-cells
- pancreas
- secretes pancreatic juices
- kidney
- excretion of ions, water, and other nitrogenous wastes
- liver
- metabolizes carbohydrates and fats, produces bile and bile salts, and detoxify poisons