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Vertebrata. Class Amphibia. Amphibian Characteristics. Ectothermic tetrapods Respiration by lungs, gills, or skin Skin moist containing mucous glands, and lacking scales Development includes larval stage prior to metamorphosis Includes the frogs, toads, salamanders, and caecilians.
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Vertebrata Class Amphibia
Amphibian Characteristics • Ectothermic tetrapods • Respiration by lungs, gills, or skin • Skin moist containing mucous glands, and lacking scales • Development includes larval stage prior to metamorphosis • Includes the frogs, toads, salamanders, and caecilians
Amphibian Skeleton • Axial skeleton • Skull • Vertebral Column • Appendicular Skeleton • Pectoral Girdle and Forelimbs • Pelvic Girdle and Hindlimbs
Pterygoid Dentary Squamosal Frontoparietal Nasal Maxilla Vomer Occipital condyle Orbital fossa Nasal fossa Skull Bones and Structures to Know Bones: Structures:
Vertebrae Structures • Transverse Process • Neural Spine • Articular Process • Body • Vertebral Foramen
Pectoral Girdle Bones • Suprascapula • Scapula • Clavicle • Coracoid
Pelvic Girdle Bones • Illium • Ischium • Pubis
Forelimb Bones • Humerus • Radioulna • Carpals • Metacarpals • Phalanges • Prepolux
Hindlimb Bones • Femur • Tibiofibula • Tarsals • Metatarsals • Phalanges • Prehallux
Sternum Bones • Episternum • Omosternum • Epicoracoid • Mesosternum • Xiphisternum
Skeletal Muscular System • Trunk Muscles • Thigh Muscles • Shank Muscles
Ventral Trunk Muscles • Pectoralis • Rectus abdominus • External oblique • Transversus (= internal oblique)
Dorsal Trunk Muscles • Longissimus dorsi • Coccygeoiliacus
Muscles of Head, Shoulder, Upper Arm • Depressor mandibularis • Dorsalis scapulae • Latissimus dorsi • Triceps brachii • Deltoid • Sternoradialis
Ventral Muscles of Thigh • Sartorius • Adductor magnus • Gracilis major • Graciilis minor • Adductor longus
Dorsal Muslces of Thigh • Triceps femoris • Semimembranosus • Gluteus • Piriformis
Muscles of Shank • Gastrocnemius • Peroneus • Tibialis anticus longus • Extensor cruris • Tibialis anticus brevis • Tibialis posticus
Anatomy of the Frog Lab 2
External jugular Innominate Subclavian Anterior vena cava Sinus venosus Posterior vena cava Hepatic vein Hepatic portal Gastric vein Intestinal veins Splenic vein Ventral abdominal vein Urinogenital vein Renal portal vein Femoral vein Pelvic vein Veins
Conus arteriosus Truncus arteriosus Carotid arch Systemic arch Pulmocutaneous arch Dorsal aorta Celiacomesenteric artery Celiac artery Anterior mesenteric artery Hepatic artery Splenic artery Intestinal artery Uninogenital arteries Common iliac arteries Arteries
Parts of the Frog Heart • Right atrium • Left atrium • ventricle
Right atrium Left atrium Right ventricle Left ventricle Tricuspid valve Semilunar valve Bicuspid valve Aorta Precava Pulmonary artery Pulmonary vein Parts of the Sheep Heart
Olfactory nerve Olfactory lobe Cerebrum Optic nerve Optic lobe Cerebellum Medula oblongata Spinal cord Parts of the Frog Brain