lab 1- external features, digestive system, and urogenital system Flashcards
(14 cards)
what are the 8 external shark parts on the head?
-eyes
-mouth
-labial pocket
-spiracle
-endolymphatic pores
-external nares
-ampullae of lorenzini
-external gill slits (5)
what are the 7 external shark parts on the trunk?
-lateral line
-pectoral fins
-dorsal fins
-denticles
-pelvic fins
-claspers (male only)
-cloaca
what is the 1 external shark part on the tail?
caudal fin
what are the two skeletal shark girdles?
-coracoid bar of the pectoral girdle
-puboischiadic bar of the pelvic girdle
what are the two parts of the skull?
-chondrocranium
-splanchnocranium
what 6 things make up the chondrocranium?
-rostrum
-olfactory capsule
-nares
-orbit
-otic capsule
-endolymphatic foramen
what 4 things make up the splanchnocranium?
-mandibular arch (jaw/1)
-hyoid arch (2)
-gill arches (3-7)
-visceral arches (1-7)
what is located in the head that is a part of the digestive system of a shark?
-teeth
-oral cavity (mouth)
-pharynx (throat)
-tongue
what 13 structures are in the digestive system of a shark?
-esophagus
-stomach
-pyloric sphincter
-small intestine
-colon
-rectal gland
-rectum
-anus
-liver
-gal bladder
-bile duct
-pancreas
-spleen
what are the 4 male excretory structures in a shark?
-kidneys
-accessory urinary duct
-urogenital papilla
-urogenital pore
what are the female excretory structures in a shark?
-kidneys
-archinephric duct
-urinary papilla
-urinary pore
what are the 8 male reproductive structures in a shark?
-testes
-archinephric ducts
-seminal vesicles
-sperm sac
-urogenital papilla and pores
-claspers
-clasper groove
-siphon sac
what are the 5 female reproductive structures in a shark?
-ovaries
-ostium tubae
-oviducts and shell glands
-uterus
-oviduct openings in cloaca
what are the 3 female pregnant structures in a shark?
-embryo
-yolk sac
-umbilical cord
