Five photographs of various stages of the dissection of a sea cucumber. For those showing the internal structures of the sea cucumber, T-pins are used to hold the sea cucumber open.
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State University of New York at Buffalo. Department of Biological Sciences
State University of New York at Buffalo. University Libraries
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Five photographs of various stages of the dissection of a sea cucumber, each with specific features labeled. For those showing the internal structures of the sea cucumber, T-pins are used to hold the sea cucumber open. Image 1: Ventral External Features crown of tentacles podia of ventral ambulacra (tube feet) Image 2: Anterior (close up) crown of tentacles tube feet ventral podia (tube feet) Image 3: Internal Features tentacles wall of pharynx esophagus respiratory tree stomach intestine retractor muscles gonad longitude muscle band radiating cloacal muscles cloaca (cut) Image 4: Internal Features (Anterior Close Up) wall of pharynx retractor muscles intestine tentacles esophagus longitudinal muscle bands Image 5: Gonads Removed tentacle wall of pharynx retractor muscle radiating cloaca muscles esophagus stomach intestine cloaca anus
Ten photographs of various stages of the dissection of a sand dollar.
Ten photographs of various stages of the dissection of a sand dollar with specific parts labeled. Image 1: Sand Dollar - External Features (Aboral View) Image 2: Sand Dollar - External Features (Oral View) Image 3: Sand Dollar - Oral View (Close up) - ambulacral groove - mouth (behind spines) - podia ('tube feet') Image 4: Sand Dollar - Aboral View (Spines Removed) - gonopore - anus - petaloid ambulacra Image 5: Sand Dollar - Oral View (Spines Removed) - anus - mouth - ambulacral groove Image 6: Sand Dollar - Aboral View (Close Up) - gonopore - petaloid ambulacra Image 7: Sand Dollar - Internal Features [two specimens in the photo] - [left photo] - aristotle's lantern - esophagus - stomach - anus - intestine - gonad Image 8: Sand Dollar - Cross Section - gonad - esophagus - aristotle's lantern - mouth - stomach Image 9: Sand Dollar - Aristotle's Lantern (Side View) Image 10: Sand Dollar - Aristotle's Lantern (Oral View)
Five photographs of a pigeon in various stages of dissection.
Five photographs of a pigeon in various stages of dissection, with various body parts labeled. Image 1: Pigeon - External Features (Ventral View) - cere - crow - nape - wing - tail - toe - tarsus - breast - eye - bill Image 2: Pigeon - Foot (Close Up) - talon - tarsus - toe Image 3: Pigeon - Feather - quill - barbs - shaft Image 4: Pigeon - Internal Features - trachea - esophagus - heart - gizzard - intestine - liver (cut) - breast muscle Image 5: Piegon - Reproductive Organs (Male) - testis - kidney - rectum - cloaca
Eight photographs of a mudpuppy in various stages of dissection. The third image is labeled "Mudpuppy - External Gills (Close Up).
Eight photographs of a mudpuppy in various stages of dissection. The third image is labeled "Mudpuppy - External Gills (Close Up). The other images have labels for various body parts. Image 1: Mudpuppy - External Features (Dorsal View). Various parts of the animal are labeled A-H. Image 2: Mudpuppy - Anterior (Close Up) - external naris - external gills - eye - lips Image 3: Mudpuppy - External Gills (Close Up) Image 4: Mudpuppy - Internal Features (Male) - spleen - stomach - pylorus - duodenum - lung - ileum - testis - mesonephric duct - gall bladder - pancreas - liver (cut) Image 5: Internal Features (Female) - heart - stomach - spleen - lung - oviduct - pancreas - duodenum - ileum - ovary - gall bladder - pylorous - liver Image 6: Mudpuppy - Heart - left atrium - ventricle - bulbus arteriosus Image 7: Mudpuppy - Reproductive Organs (Male) - mesonephric duct - testis Image 8: Mudpuppy - Reproductive Organs (Female) - oviduct - ovary
Six photographs of a mouse and mouse parts in various stages of dissection.
Six photographs of a mouse and mouse parts in various stages of dissection and labels for various body parts. Image 1: Mouse - External Features - nose - eye - ear - tail - hind limb - external genitalia - fore limb - mouth Image 2: Mouse - Hind Limb (Close Up) - claws - pads Image 3: Mouse - Head (Skin Removed) - ear - eye - nose - tongue - teeth - whiskers - mouth Image 4: Mouse - Internal Features - heart - liver - stomach - spleen - caecum - urinary bladder - external genitalia - intestine - pancreas - diaphragm - lungs Image 4: Internal Features - Intestines Removed (Female) - heart - stomach - spleen - urinary bladder - ovary - kdney - lungs - liver Image 5: Mouse - heart
Nine photographs of a grasshopper and grasshopper parts in various stages of dissection. One photo shows the specimen being held open with T-pins.
Nine photographs of a grasshopper and grasshopper parts in various stages of dissection, with labels for various body parts. One photo shows the specimen being held open with T-pins. Image 1: Grasshopper - External Features - compound eye - antenna - prothorax - mesothorax - metathorax - fore wing - hind wing - ovipositor - tibia - pulvillus - claw - tarsus - femur - tympanum - trochanter - coxa - palp - labrum - head - thorax - abdomen Image 2: Grasshopper - External Features (Female and Male) [two specimens in the photograph] Top specimen: - palp - labrum - clypeus - frons - gena - fore wing - ovipositor Bottom specimen: - antenna - compound eye - prothorax - femur - tibia - tarsus - trochanter - claw - head - thorax - abdomen Image 3: Grasshopper - Female Abdomen - epiproct - cercus - ovipositor Image 4 - Grasshopper - Abdomen (Male) - cercus - subgenital plate - spiracles Image 5: Grasshopper - Front View of Head - vertex - ocelli - gena - antenna - mandible - maxilla - labial palps - labium - maxillary palps - labrum - clypeus - frons - compound eye Image 6: Grasshopper - Mouthparts - clypens - labrum - mandible - maxilla - mentum - ligula - labium - palps - galea - lacina - stipes - hypopharynx Image 7: Grasshopper - Tympanum (Close Up) Image 8: Grasshopper - Internal Features [specimen is held open with T-pins] - crop - gastric ceca - eggs - malpighian tubules - large intestine - muscle - small intestine - stomach Image 9: Grasshopper - Internal Features (Close Up) - gastric ceca - malpighian tubules
Ten photographs of crayfish in various stages of dissection.
Ten photographs of crayfish in various stages of dissection, with various body parts labeled. Image 1: Crayfish - Dorsal View - antenna - antennule - rostrum - eye - cervical groove - carapace - uropod - telson - abdomen - legs 2-5 - chelipod Image 2: Crayfish - Ventral View (Male) - antenna - antennule - eye - 3rd maxilliped - mandible - wlaking legs 2-5 - sternum - anus - telson - uropod - swimmerets 1-5 - opening of green gland - cheliped ('leg' 1) Image 3: Side View - antenna - antennle - rostrum - cephalothorax - abdominal somites 2-6 - telson - uropod - swimmerets - walking legs - cervical groove - eye - cheliped Image 4: Crayfish - Cheliped (1st 'eg', Claw = Chela) - dactylopodite - propodite - carpopodite Image 5: Crayfish - Mouth Appendages - opening of green gland - eye - 3rd maxilliped - 1st maxilliped - 2nd maxilliped - mandible - antenna Image 6: Crayfish - 2nd Walking Leg (Close Up) Image 7: Crayfish - Ventral Abdomen (Female) - uropod - telson - anus - swimmerets Image 8: Crayfish - Internal Features - cardiac stomach - digestive gland (liver) - midgut - flexor muscles - ventral nerve cord - green gland Image 9: Crayfish - Internal Features (Dorsal View) - anterior gastric muscle - mandibular muscle - digestive gland - gills - pyloric muscle - green gland Image 10: Crayfish - Mouth Appendages - left side 1st and 2nd maxilla - mandible - 1st-3rd maxilliped
Four images of a snail in various stages of dissection.
Four images of a snail in various stages of dissection with various parts labeled. Image 1: Snail - Lateral View - apex - shell - genital aperture - posterior tentacle - mouth - anterior tentacle - foot Image 2: Snail - Shell - apex - aperture Image 3: Snail - Internal Features - crop - esophagus - kidney - intestine - albumen gland - liver - heart - foot Image 4: Snail - Internal FEatures (Reproductive Organs) - dart sac - penis - genital pore - vas deferens
Four photographs of a perch in various stages of dissection.
Four photographs of a perch in various stages of dissection with various body parts labeled. Image 1: Perch - External Features - maxilla - eye - lateral line - anterior dorsal fin - posterior dorsal fin - caudal fin - anal fin - pelvic fin - pectoral fin -operculum - mandible Image 2: Perch - Internal Features (Female) - air bladder - trunk muscles - eggs - liver Image 3: Perch - Internal Features (Male) - gills - air bladder - ribs - trunk muscles - urogenital opening - anus - gonad - intestine - stomach - pyloric caeca - liver - heart Image 4: Perch - Internal Features (Male) - gills - air bladder - trunk muscles - ribs - gonad - intestine - stomach - pyloric caeca - liver - heart
Seven photos of an earthworm in various stages of dissection. Two photos shows the worm being held open with pins.
Seven photos of an earthworm in various stages of dissection with various parts labeled. Two photos shows the worm being held open with pins. Image 1: Earthworm - External Features - clitellum - mouth - anus Image 2: Earthworm - Ventral Anterior View - male genital pore - sperm groove - clitellum Image 3: Earthworm - Anterior (Close Up) - setae Image 4: Earthworm - Internal Features [pins are used to hold the specimen open] - pharynx - 'heart' - crop - gizzard - intestine - septum - dorsal blood vessel - seminal vesicles - anterior spermatheca Image 5: Earthworm - Internal Features (Seminal Vesicles Removed) [pins are used to hold the specimen open] - pharynx - 5 'hearts' - gizzard - crop Image 6: Earthworm - Internal Features (Close Up) - Posterior - Anterior - intestine - gizzard - crop - dorsal blood vessel - esophagus - 'heart' - nerve cord - ventral blood vessel Image 7: Earthworm - Cross Section - digestive tract - typhlosole - longitudinal muscles
Seven photos of a clamworm in various stages of dissection.
Seven photos of a clamworm in various stages of dissection with parts labeled. Image 1: Clamworm - Dorsal View Image 2: Clamworm - Ventral View - parapodia - anal cirri - tentacles - mouth - somites (segments) Image 3: Clamworm - Posterior View - setae - parapodium - anal cirrus Image 4: Clamworm - Ventral Anterior View - palp - mouth - inferior peristomial cirri Image 5: Clamworm - Dorsal Anterior View - somites (segments) - prostomium - palp - tentacles - superior peristomial cirri - inferior peristomial cirri Image 6: Clamworm - Internal Features - esophageal caecum - nephridia - septa - esophagus - pharynx Image 7: Clamworm - Cross Section - digestive tract - dorsal longitudinal muscle - ventral longitudinal muscle - oblique muscles - parapodium - setae
Nine photos of a clam in various stages of dissection.
Nine photos of a clam in various stages of dissection with parts labeled. Image 1: Clam - External FEatures - umbo - exhalant (=excurrent) siphon - inhalant (=incurrent) siphon - growth ring Image 2: Clam - External Features - growth ring - umbo - ligament Image 3: Clam - Inner Surface of the Left Valve Posterior - posterior adductor muscle scar - pallial sinus Anterior - umbo - cardinal teeth - anterior adductor muscle scar - pallial line - serrations Image 4: Clam - Foot (Close Up) - gill - foot Image 5: Clam - Left Valve Removed Anterior - anterior adductor - umbo - gill - foot Posterior - posterior adductor - exhalant siphon - inhalant siphon Image 6: Clam - Siphons (Close Up) - posterior adductor - inhalant siphon - exhalant siphon Image 7: Clam - Internal Features Anterior - umbo - digestive gland ('liver') - gill - foot (cut) - anterior adductor - cardinal teeth Posterior - gonad - posterior adductor - exhalant siphon - inhalant siphon Image 8: Clam - Internal FEatures (Close Up) - digestive gland ('liver') - gonad - gill Image 9: Clam - Internal FEatures - anterior adductor - cardinal teeth - umbo - gonad - digestive gland ('liver') - exhalant siphon - inhalant siphon - foot - gill (cut)
Six photos of squid at various stages of dissection.
Six photos of squid at various stages of dissection with parts labeled. Some photos show the specimen being held open with t-pins. Image 1: Squid - Dorsal View - tentacle - extension of pen - fin - eye - arms Image 2: Squid - Tentacle (Close Up) - suckers - chromatophores Image 3: Squid - Internal Features (Male) [held open with t-pins] - siphon (cut) - ink sac - gill -penis - gill heart - posterior vena cava - caecum - gonad (testis) - kidney - intestine - siphon retractor muscle Image 4: Squid - External FEatures (Vental View) - arms - eye - sucker - fin - mantle - siphon - tentacle Image 5: Squid - Buccal Bulb - upper mandible (beak) - esophagus - lower mandible (beak) - peripheral buccal membrane Image 6: Squid - Internal Features (Female) [held open with t-pins] - siphon - ink sac - gill - oviducal gland - gill heart - stomach - ovary - pen -caecum - posterior vena cava - nidamental gland - accessory nidamental gland - siphon retractor muscle
Five photos of a sea urchin in various stages of dissection.
Sea Urchin (Arbacia punctulata) (with labels)
Five photos of a sea urchin in various stages of dissection with parts labeled. Image 1: Sea Urchin - Oral View Image 2: Sea Urchin - Aboral View (Close Up) - genital plate - anus - acular plate - spine bose - periproct Image 3: Sea Urchin - Aboral View Image 4: Sea Urchin - Oral View (Close Up) Image 5: Sea Urchin - Aboral View (Spines Removed) Image 6: Sea Urchin - Aristotle's Lantern - tooth - epiphysis - pyramids
Six photo of a starfish in various stages of dissection.
Starfish (Asterias forbesi) (with labels)
Six photo of a starfish in various stages of dissection with parts labeled. Image 1: Starfish - Oral View - tube feet - ambulacral groove - mouth - spines Image 2: Starfish - Internal FEatures - rectal caeca - cardiac stomach - gonad - hepatic caecum - pyloric stomach Image 3: Starfish - Internal Features (Aboral View) - madreporite - hepatic caecum - gonac - ampullae - ambulacral ossicles covering radial canal - coelomic cavity - spines - tube feet Image 4: Starfish - Aboral View - ray - madreporite - disc - terminal tentacle - spines Image 5: Starfish - Cross Section of Arm - hepatic caecum - spine - gonad - ambulacral ossicle - tube feet - ampulla Image 6: Starfish Tube Feet (Close Up)
Six photos of chiton in various stages of dissection.
Chiton (Katharina tunicata) (with labels)
Six photos of chiton in various stages of dissection with labels. Image 1: Chiton - Dorsal View - anterior plate (valve) - posterior plate (valve) - girdle Image 2: Chiton - Internal Features (Lateral View/Mid-line Cut) - radula - plates (removed) - gonad - heart - anus - pallial groove - intestine - foot - digestive gland - esophagus - mouth - head - gridle (mantle) Image 3 - Chiton - Ventral View - moht - foot - gills - girdle (mantle) - pallial groove - anus Image 4: Chiton - Dorsal View (Plates Removed) [two objects in image] Top object: - longitudinal muscle - girdle (mantle) - transverse muscle Bottom object: - cephalic (insertion) plate - intermediate plates - anal (posterior) plate Image 5: Chiton - Isolated Plates (Valves) [two objects in image] Left object: - cephalic (insertion) plate Right object: - intermediate plate - tegmentum layer - articulamentum layer Image 6: Chiton - Gill Filaments