β Scribed by Nachtrieb, Henry F.
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
## Abstract The integument of the paddlefish (__Polyodon spathula__) is unusual as a relatively small amount of mucus is produced by epithelial cells that are not modified into regular mucous gland cells. A thick compact epidermis and dermis compensate for the slight amount of mucus secreted. Padd
## Abstract In __Polyodon spathula__, the pectoral fin radials, with the exception of the metapterygium, are derived from the decomposition of a single continuous cartilage fin plate that is continuous with the scapulocoracoid. This cartilage sheet develops two interior splits to form three precurs
## Abstract Retinal wholeβmount preparations from the eyes of the North American paddlefish, __Polyodon spathula__, were examined with a combination of bright field and differential interference contrast microscopy. The entire retina was mapped and population counts of rod and cone photoreceptors w
## Abstract The paddlefish (__Polyodon spathula__) is one of the most primitive and unique freshwater fishes of North America. It is adapted as a plankton filterβfeeder. The wide mouth and greatly expansible pharyngeal cavity allows it to process a large quantity of water. Numerous setiform gillrak