Results 71 to 80 of about 193 (117)

Ultrastructure and motility of the caudal epididymis spermatozoa from the volcano mouse (Neotomodon alstoni alstoniMerriam, 1898)

open access: yesThe Journal of Experimental Zoology, 2000
The volcano mouse Neotomodon alstoni alstoni is a genus endemic to the higher elevations of the Mexican transvolcanic belt. In the present study we examined for the first time the morphological features of the spermatozoa taken from the caudal epididymis of this species by transmission and scanning electron microscopy. Spermatozoan motility was studied
Armando Zepeda-Rodríguez
exaly   +4 more sources

Sleep patterns of the volcano mouse (Neotomodon alstoni alstoni)

open access: yesPhysiology & Behavior, 1998
Sleep-waking patterns of the volcano mouse were studied under laboratory conditions. This rodent exhibits four states of vigilance: active wakefulness (Aw), quiet wakefulness (Qw), slow-wave sleep (SWS), and paradoxical (PS), or rapid-eye movement (REM) sleep.
F, Ayala-Guerrero   +3 more
openaire   +3 more sources

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