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The Blazers Student #1, Student #2, and Student #3 LB144 F06 • Strongylocentrotus purpuratus • Xenopus laevis • Oryzias latipes Sea Urchin Unfertilized egg viewed at 400x magnification on compound microscope 0 hours live specimen Sea Urchin Sea Urchin eggs after fertilization Sea urchin blastula in motion Sea Urchin Vitelline Envelope Sperm Fertilized Egg viewed at 400x magnification on compound microscope 1 minute live specimen Sea Urchin 2 cell stage viewed at 400x magnification on compound microscope 1-3 hours live specimen Sea Urchin Blastocoel Early blastula viewed at 400x magnification on compound microscope 24 hours old Live specimen Sea Urchin Animal Pole Blastocoel Late blastula viewed at 400x magnification on compound microscope 48 hours live specimen Sea Urchin Blastopore Blastocoel Archenteron Gastrula viewed at 400x magnification on compound microscope Prepared slide Animal plate Sea Urchin Esophagus Intestine Mouth Stomach Oral arm Pluteus larva viewed at 400x magnification on compound microscope Prepared slide Xenopus Unsegmented egg viewed at 400x magnification on compound microscope Prepared slide Xenopus Pigmented cortex Blastocoel Egg cleavage viewed at 400x magnification on compound microscope Prepared slide Xenopus Vegetal Pole Blastocoel Animal Pole Blastula viewed at 400x magnification on compound microscope Prepared slide Xenopus Epidermis Neural Tube Midgut Notochord Neural Tube in Neurulation viewed at 400x magnification on compound microscope Prepared slide Coelem Xenopus Notochord Spinal cord Yolk endoderm Anus 7mm Embryo viewed at 100x magnification on compound microscope Prepared slide Xenopus Mouth Tail 10mm Larva viewed at 100x magnification on compound micrscope Prepared slide Details of this slide were not available Medaka Oil droplets Chorion membrane Germinal disk Elevated germinal disk viewed at 30x magnification on dissection mircroscope 30 minutes live specimen Medaka Oil drop Blastoderm Neural tube Late neurula stage viewed at 30x magnification on dissection microscope 24 hours live specimen Medaka Cilia Oil droplet Optic cup Optic lens Yolk sac Optic cup stage viewed at 30x magnification on dissection microscope 26 hours live specimen Medaka Oil drop Pigmented optic cup Optic lens Pectoral fin bud Yolk sac Retinal pigmentation viewed at 30x magnification on dissection microscope 2 days 6 hours live specimen Medaka Vitelline Vein Pectoral fin bud Yolk sac Pink blood stage viewed at 30x magnification on dissection microscope 3 hours live specimen Medaka Cilia Chromatocyte Optic lens Oil droplet Pre-hatching stage viewed at 30x magnification on dissection microscope 5 days live specimen • Sponge • Hydra • Planarian • Roundworm • Earthworm • Mussel • Crayfish • Grasshopper • Sea Star • Lancelet • • • • • • • • • Porifera – Sponge Cnidaria – Hydra Platyhelminthes – Planarian Nematoda – Roundworm Annelida – Earthworm Mollusca – Mussel Arthropoda – Crayfish and Grasshopper Echinodermata – Sea star Chordata - Lancelet Sponge Radial canals Spongocoel Incurrent canal Ostium Cross-section view of sponge viewed at 32x magnification on compound microscope Prepared Slide Sponge Spongocoel Incurrent canal Radial canal Ostium Longitudinal section of sponge viewed at 32x magnification on compound microscope Prepared slide Sponge Spongin fibers Sponge tissue viewed at 32x magnification on compound microscope Prepared slide Hydra Mouth Tentacles Body column Anterior region of hydra viewed at 32x magnification on compound microscope Live specimen Hydra Tentacles Body column Basal disc Posterior region of hydra viewed at 32x magnification on compound microscope Live specimen Hyrda Tentacles Epidermis Mesoglea Gastrodermis Gastrovascular cavity Basal disc Longitudinal section of hydra viewed at 32x magnification on compound microscope Prepared slide Planarian Pharynx Eyespot Brain Auricle Anterior region of planarian viewed at 32x magnification on compound microscope Live specimen Planarian Dorsalventral muscles Intestine Gastrovascular cavity Adhesive gland Ventral nerve cord Epidermis Mid-section region of planarian viewed at 32x magnification on compound microscope Live specimen Planarian Pharynx Ventral nerve cord Mid-section of body viewed at 32x magnification on compound microscope Live specimen Roundworm Mouth Anterior region of roundworm viewed at 30x magnification on dissection microscope Preserved specimen Roundworm Pharynx Anterior region of pharynx viewed at 30x magnification on dissection microscope Preserved specimen Roundworm Intestine Ovaries Intestine viewed at 30x magnification on dissection microscope Preserved specimen Roundworm Oviduct Oviduct viewed at 20x magnification on dissection microscope Preserved specimen Roundworm Ovaries Ovaries viewed at 30x magnification on dissection microscope Preserved specimen Roundworm Y-shaped uterus Y-shaped uterus viewed at 30x magnification on dissection microscope Preserved specimen Roundworm Vulva Vulva viewed at 25x magnification on dissection microscope Preserved specimen Roundworm Pseudocoel Intestine Uterus Ovaries Epidermis Cuticle Longitudinal muscles Female cross-section viewed at 32x magnification on compound microscope Prepared slide Roundworm Longitudinal muscles Cuticle Sperm Intestine Ventral nerve cord Dorsal nerve cord Vas deferens Excretory canal Male cross-section viewed at 32x magnification on compound microscope Prepared slide Earthworm Mouth Prostomium Anterior region viewed at 30x magnification on dissection microscope Preserved specimen Earthworm Seminal vesicles Seminal vesicles viewed at 30x magnification on dissection microscope Preserved specimen Earthworm Hearts The five hearts viewed at 30x magnification on dissection microscope Preserved specimen Earthworm Pumping vessels Crop Gizzard Crop and gizzard viewed at 30x magnification on dissection microscope Preserved specimen Earthworm Dorsal blood vessel Pumping vessels Intestine Intestine and dorsal blood vessel viewed at 30x magnification on dissection microscope Preserved specimen Earthworm Ventral nerve cord Intestine Clitellum Ventral nerve cord viewed at 30x magnification on dissection microscope Preserved specimen Earthworm Circular muscles Epidermis Longitudinal muscles Intestine Coelom Cross section viewed at 32x magnification on compound microscope Prepared slide Earthworm Circular muscles Epidermis Longitudinal muscles Ventral nerve cord Intestine Coelom Cross section viewed at 32x magnification on compound microscope Prepared slide Mussel Teeth Valve Adductor muscle Full body of mussels viewed at 100x magnification on compound microscope Prepared slide Mussel Teeth Adductor muscle Valve Full body mussel viewed at 400x magnification on compound microscope Prepared slide Mussel Surface of gill Water tubes (brood chamber) Blood vessel Cross section viewed at 32x magnification on compound microscope Prepared slide Clam Gill viewed at 7x magnification on dissection microscope Preserved specimen Clam Posterior adductor muscle Posterior adductor muscle viewed at 7x magnification on dissection microscope Preserved specimen Clam Mantel viewed at 7x magnification on dissection microscope Preserved specimen Crayfish Stomach Stomach viewed at 7x on dissection microscope Preserved specimen Crayfish Ostia Heart Digestive gland Digestive gland and heart viewed at 7x magnification on dissection microscope Preserved specimen Crayfish Digestive gland Gill Gills viewed at 7x magnification on dissection microscope Preserved specimen Crayfish Muscle Intestine Digestive gland Intestine viewed at 7x on dissection microscope Preserved specimen Crayfish Digestive gland Testes Testes viewed at 7x magnification on dissection microscope Preserved specimen Crayfish Green glands Brain Nerve cords Circumesophageal connective Anterior region viewed at 7x magnification on dissection microscope Preserved specimen Crayfish 3rd maxilliped Maxilla Mandible Mouth viewed at 7x magnification on dissection microscope Preserved specimen Grasshopper Compound eye Gena Frons Antenna Clypeus Labrum Palp Maxilla Anterior region of grasshopper viewed at 7x magnification on dissection microscope Preserved specimen Grasshopper Egg mass Crop Gastric caeca Gastric caeca viewed at 7x magnification on dissection microscope Preserved specimen Grasshopper Malpighian tubules Egg mass Egg mass viewed at 9x magnification on dissection microscope Preserved specimen Grasshopper Malpighian tubules Oviduct Oviduct viewed at 7x magnification on dissection microscope Preserved specimen Grasshopper Malpighian tubules Egg mass Malpighian Tubules viewed at 12x on dissection microscope Prepared specimen Grasshopper Exoskeleton Ovipositor Segments Posterior region viewed at 7x magnification Preserved specimen Sea Star Dermal gills Pedicellariae Spine Madreporite Madreporite viewed at 7x magnification on dissection microscope Preserved specimen Sea Star Stomach Gonads Stomach viewed at 7x magnification on dissection microscope Preserved specimen Sea Star Gonads Ambulacral ridge Pyloric cecum Ambulacral ridge viewed at 7x magnification on dissection microscope Preserved specimen Sea Star Ambulacral ridge Gonads Gonads viewed at 7x magnification on dissection microscope Preserved specimen Sea Star Pyloric cecum Spines Pyloric cecum (digestive gland) viewed at 7x magnification on dissection microscope Preserved specimen Sea Star Ambulacral ridge Gonads Ampullae Pyloric cecum Ampullae viewed at 7x magnification on dissection microscope Preserved specimen Sea Star Sucker Ambulacral groove Radial water canal Tube foot Gonads Coelom Pyloric cecum Skeletal plate Pedicellariae Cross section viewed at 32x magnification on compound microscope Prepared specimen Lancelet Pharyngeal gill slits Cirrus Wheel organ Gills Anterior region of lancelet viewed at 20x magnification on dissection microscope Preserved specimen Lancelet Myotomes Anus Posterior region of lancelet viewed at 9x on dissection microscope Preserved specimen Lancelet Fin rays Notochord Dorsal nerve cord Gills Photoreceptors Pharyngeal gill slits viewed at 32x on compound microscope Prepared slide Lancelet Gills Wheel organ Cirrus Photoreceptors Anterior region of lancelet viewed at 32x magnification on compound microscope Prepared slide Lancelet Intestine Fin rays Anus Posterior region of lancelet viewed at 32x on compound microscope Prepared slide Lancelet Dorsal fin Dorsal nerve cord Notochord Myotomes Intestine Villi Cross section viewed at 32x magnification on compound microscope Prepared slide Resources • LB144 7th Edition Lab Book Fall 2006 • Investigating Biology 5th Edition • LB144 Red Lab Book
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