Anatomy of the Chordates |
Contents
Introduction | 1 |
Classification and Evolution of the Chordates | 10 |
Early Development and Histogenesis | 52 |
Copyright | |
13 other sections not shown
Common terms and phrases
amphibians amphioxus animals anurans aortic arches appear archinephric duct arteries atrium become birds blood vessels body bony brain branch branchial canal capillaries cartilage cartilaginous caudal cavity cells cloaca coelom composed connective tissue cranial nerves cyclostomes derived dermal dermis ectoderm eggs elasmobranchs embryo epidermis epithelium external fibers fishes follicle foramen function fused ganglion gill slits girdle hair higher forms hormone hyoid intestine kidney lacking lamprey layer limbs lizards lobe located lower lungs lymphatic male mammals medulla membrane bones mesencephalon mesoderm mouth muscles myotomes nasal nervous neural notochord olfactory optic organs origin ovaries pair papillae pectoral pelvic pharynx pigment pituitary gland portion posterior pouches present primitive region reptiles ribs scales secretion sensory side skin skull snakes somatic species spinal cord spinal nerves structure surface swim bladder teeth teleosts tetrapods thyroid tion tube tubules urodeles usually veins ventral ventricle vertebrates visceral arches wall