MORPHOMETRIC ANALYSIS OF THE SUPERIOR VESTIBULAR NERVE IN GROUND AND TREE SQUIRRELS (SCIURIDAE)

Lewis C. Snell; Kent Rylander

doi:10.1644/1545-1542(2001)082<0218:MAOTSV>2.0.CO;2

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Lewis C. Snell,¹ Kent Rylander^2,*

¹aDepartment of Zoology, Miami University, Oxford, OH 45056
²bDepartment of Biological Sciences, Texas Tech University, Lubbock, TX 79409

^*Correspondent: k.rylander@ttu.edu

Abstract

Using light microscospy, cross sections of the superior vestibular nerve were compared in 2 tree-dwelling species of squirrels (Sciurus carolinensis and S. niger) and 3 ground-dwelling species (Spermophilus tridecemlineatus, S. mexicanus, and S. variegatus). Fiber number, internal minor diameter of the axon, and axon area were measured for 31,959 fibers taken from 5 males of each species. Significant differences were not found within or among species, suggesting that climbing behaviors are not correlated with these morphologic features of the superior vestibular nerve.

Citation Download Citation

Lewis C. Snell and Kent Rylander "MORPHOMETRIC ANALYSIS OF THE SUPERIOR VESTIBULAR NERVE IN GROUND AND TREE SQUIRRELS (SCIURIDAE)," Journal of Mammalogy 82(1), 218-224, (1 February 2001). https://doi.org/10.1644/1545-1542(2001)082<0218:MAOTSV>2.0.CO;2

Received: 15 October 1999; Accepted: 7 June 2000; Published: 1 February 2001

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