SHARK: APPENDICULAR SKELETON Flashcards
The appendicular skeleton of the dogfish contain
median fin cartilages, pectoral girdles, and their fins
Each fin has as its framework a ______________ to which are radial cartilages that bear ceratotrichia
BASAL CARTILAGE
Fibmal fin rays
CERATOTRICHIA
Consists of the vertebrae whose hemal arches are elongated fin is also supported by ceratotrichia
CAUDAL FIN
The ventral part of the pectoral girdle are the __________________, from which a scapular cartilage tends dorsally on each side
CORACOIDS BAR
The latter with the skeleton of the pectoral fin at the surface and has a medially projecting ______ attached to its free end.
SUPRASCAPULAR CARTILAGE
The skeleton of the pectoral fin consists of three ______________
BASAL CARTILAGES
the smallest and outermost cartilage of the pectoral fin
PROPTERYGIUM
adjacent to the propterygium is a wide triangular cartilage
MESOPTERYGIUM
Innermost cartilage of the pectoral fin
METAPTERYGIUM
Arranged in rows, articulate with the basals
SMALL RADIAL CARTILAGE
Distal to the radials are ____________ that provide additional support to the fin
CERATOTRICHIA
The basal and radial cartilages are collectively known as
PTERYGIOPHORES
The pelvic girdle consists of a transverse __________________ from the end of which a short iliac process extends dorsally.
ISCHIOPUBIC
The pelvic fin has how many basal cartilage/s?
TWO