Bending mechanics of elasmobranch vertebral columns

SCHAEFER, Justin T*; KOOB, Thomas J; LONG, JR., John H; Univ. of California, Irvine; Shriner’s Hospital for Children, Tampa; Vassar College: Bending mechanics of elasmobranch vertebral columns The waveform of sinusoidally swimming elasmobranchs depends, in part, on the flexural stiffness of the body, which in turn is presumed to be a function of the material […]

The morphology, mechanical properties, and composition of the acellular ribs in a teleost fishMyoxocephalus polyacanthocephalus

HORTON, Jaquan M.*; RANCHES, Gregory; SUMMERS, Adam P.; University of California, Irvine; University of California, Irvine; University of California, Irvine: The morphology, mechanical properties, and composition of the acellular ribs in a teleost fish�Myoxocephalus polyacanthocephalus. The material properties of cellular bone have been studied extensively, however, little is known about either the cellular or acellular […]

The development of Alligator mississippiensis under varying pOsub2sub

VANDEN BROOKS, J.M.; Yale University: The development of Alligator mississippiensis under varying pO2 Oxygen is the most important environmental component for all terrestrial aerobic organisms. Traditionally, the partial pressure of oxygen (pO2) was thought to have varied little since its original rise during the Precambrian. Contrary to this, the Berner oxygen curve indicates a marked […]

Ontogeny of limb bone geometry and bone strength in an arboreal primate (Cebus albifrons)

YOUNG, JW*; FERNANDEZ, D; Stony Brook University; Stony Brook University: Ontogeny of limb bone geometry and bone strength in an arboreal primate (Cebus albifrons) In numerous mammalian taxa, limb bone cross-sectional dimensions tend to be relatively greater early in life and decrease with negative allometry over postnatal growth. Greater cross-sectional dimensions increase bone strength, allowing […]

Mechanical characteristics of bone change little during anoxic submergence at 3 oC in red-eared slider turtles, Trachemys scripta

REESE, Scott A.*; MOORE, Douglas; ULTSCH, Gordon R.; WARREN, Daniel E.; JACKSON, Donald C.; Kennesaw State University; Brown University/Rhode Island Hospital; University of Alabama; Brown University; Brown University: Mechanical characteristics of bone change little during anoxic submergence at 3 oC in red-eared slider turtles, Trachemys scripta. We submerged red-eared slider turtles, Trachemys scripta, in nitrogen-equilibrated […]

Limb Bone Strain in Jumping Frogs

ESPINOZA, N.R.**; CIRILO, S.R.; HILL, S.; BLOB, R.W.; Erskine College, Due West, SC; Erskine College, Due West, SC; Erskine College, Due West, SC; Clemson Univ., SC: Limb Bone Strain in Jumping Frogs A primary requirement of limb bone design is the accommodation of loads experienced during locomotion. Patterns of limb bone loading have generally been […]

Keeping an open mind investigating poacher skeletal morphology

JACINTO, RD*; NAGLE, L; PATEK, SN; SUMMERS, AP; Univ. of California, Irvine; Univ. of California, Irvine; Univ. of California, Berkeley; Univ. of California, Irvine: Keeping an open mind: investigating poacher skeletal morphology Poachers (Agonidae) are an obscure family of fish nested within the sculpins. They are benthic fish typically found in the sub-arctic waters of […]

Estradiol, strain, and periosteal bone growth

DEVLIN, Maureen*; LIEBERMAN, Daniel; LEDOUX, Nicole; Harvard University; Harvard University; Harvard University: Estradiol, strain, and periosteal bone growth Recently we showed that estradiol (E2) increases osteogenic responses to loading, so that the same mechanical loading produces more periosteal bone growth in individuals with higher E2 levels. This hypothesis was supported in sheep (Ovis aries, N=32) […]

Dietary consistency and the canalization of skull growth

ZELDITCH, ML*; MYERS, P; LUNDRIGAN, BL; Univ. of Michigan, Ann Arbor; Univ. of Michigan, Ann Arbor; Michigan State Univ., E. Lansing: Dietary consistency and the canalization of skull growth Forces generated by biting and mastication influence mammalian skull shape and are also thought to influence its variability. As a result, eating soft food reduces growth, […]

Comparative analysis of mouse metatarsal ossification and implications for differential skeletal growth

RENO, P.L.*; MCBURNEY, D.L.; LOVEJOY, C.O.; HORTON, W.E.; Kent State University, OH; NEOUCOM, Rootstown, OH; Kent State University, OH; NEOUCOM, Rootstown, OH; Kent State University, OH; NEOUCOM, Rootstown, OH: Comparative analysis of mouse metatarsal ossification and implications for differential skeletal growth The diversity of skeletal proportions in mammals is largely achieved by modifying physeal growth […]

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