Meeting Abstract P2.170  Saturday, Jan. 5  The effect of regional phenotypic differences of Procambarus clarkii opener muscle on sarcomere length, fiber diameter, and force development HOLSINGER, RC*; COOPER, RL; University of Kentucky; University of Kentucky rcholsinger@uky.edu The opener muscle in the walking legs of the crayfish (Procambarus clarkii) is innervated by only one excitatory motor neuron although […]

Meeting Abstract P2.163  Saturday, Jan. 5  The effect of prenatal steroids on the fatigue resistance of the fetal guinea pig diaphragm RILEY, L.A.*; WALKER, R.A.; DEAROLF, J.L.; Hendrix College, Conway, AR rileyla@hendrix.edu The application of glucocorticoid steroids to women at risk of premature birth has increased the viability of their infants, but little is known about the […]

Meeting Abstract P2.164  Saturday, Jan. 5  The effect of prenatal steroids on the fast-twitch fibers of the fetal guinea pig rectus abdominis O’CONNELL, K.J.*; WALKER, R.A.; DEAROLF, J.L.; Hendrix College, Conway, AR oconnellkj@hendrix.edu Glucocorticoids are often used to combat premature infant mortality. Although studies have shown an improvement in lung function in premature infants after their mothers […]

Meeting Abstract P2.2  Saturday, Jan. 5  The effect of mating with vasectomized males on subsequent mating behavior in female red-sided garter snakes. FRIESEN, C.R*; UHRIG, E.J.; MASON, R.T.; Oregon State University friesenc@science.oregonstate.edu Female sexual promiscuity is prevalent in nature. One consequence of female sexual promiscuity is that male-male competition often continues post-copulation within the female’s reproductive tract. […]

Meeting Abstract P2.166  Saturday, Jan. 5  The effect of betamethasone on the citrate synthase activity in fetal guinea pig rectus abdominus KOMPELLI, A.R.*; DEAROLF, J.L.; RICHMOND, J.P.; Hendrix College, Conway, AR; Univ. of North Florida, Jacksonville, FL kompelliar@hendrix.edu Currently, glucocorticoids are used to promote the survival of premature infants by accelerating their lung development. However, very little […]

Meeting Abstract P2.85  Saturday, Jan. 5  The curious shapes of sea urchin larvae: A comparative investigation into a putative olfactory structure MACNEIL, K/E A*; BISHOP, C/D; St. Francis Xaviery University, Antigonish NS; St. Francis Xaviery University, Antigonish NS x2007tev@stfx.ca Sea urchin planktotrophic larvae have evolved highly elaborate body shapes to increase the surface area of the body […]

Meeting Abstract P2.194  Saturday, Jan. 5  The behavioral and neurological effects of hypoxia during the embryonic development of domestic chicks (Gallus gallus) ASIMES, A*; ROTH, T.C.; Kenyon College; Franklin and Marshall College asimesa@kenyon.edu Previous research suggests that hypoxia during critical periods of development leads to the impairment of cognitive ability and brain structure. However, it is not […]

Meeting Abstract P2.39  Saturday, Jan. 5  The axial motor pattern and kinematics of terrestrial locomotion of the African lungfish, Protopterus annectens HORNER, AM*; JAYNE, BC; Brown University; Univ. of Cincinnati angela_horner@brown.edu Transitions between water and land have occurred numerous times in the evolution of vertebrates, but these transitions also occur frequently in the ontogeny and daily behavior […]

Meeting Abstract P2.34  Saturday, Jan. 5  The Transcriptome of Antarctic Sea Urchin (Sterechinus neumayeri) Larvae DILLY, GF*; HOFMANN, G; Univ. of California, Santa Barbara; Univ. of California, Santa Barbara geoff.dilly@lifesci.ucsb.edu A commonly found Antarctic echinoid, Sterechinus neumayeri has been used as a model species in ecology, physiology, larval and reproductive biology. Reflecting a focus on global change […]

Meeting Abstract P2.187  Saturday, Jan. 5  The Puddling Claustrum JOHNSON, J/I*; FENSKE, B/A; BUCHANAN, K/J; YALAMARTHY, A/S; Michigan State University; Michigan State University; Michigan State University; Michigan State University johnij@aol.com The claustrum is so named for its appearance as a thin layer of cells narrowly enclosed between the corpus striatum and the overlying insular cortex. However, in […]