Results 21 to 30 of about 45,523 (270)

Improved timed-mating, non-invasive method using fewer unproven female rats with pregnancy validation via early body mass increases [PDF]

open access: yes, 2018
For studies requiring accurate conception-timing, reliable, efficient methods of detecting oestrus reduce time and costs, whilst improving welfare. Standard methods use vaginal cytology to stage cycle, and breeders are paired–up using approximately five ...
Agata K Stramek   +18 more
core   +1 more source

Variation in pelvic morphology may prevent the identification of anterior pelvic tilt [PDF]

open access: yes, 2008
Pelvic tilt is often quantified using the angle between the horizontal and a line connecting the anterior superior iliac spine (ASIS) and the posterior superior iliac spine (PSIS).
Bowker, P   +5 more
core   +3 more sources

Estrous behavior in dairy cows: identification of underlying mechanisms and gene functions [PDF]

open access: yes, 2010
Selection in dairy cattle for a higher milk yield has coincided with declined fertility. One of the factors is reduced expression of estrous behavior. Changes in systems that regulate the estrous behavior could be manifested by altered gene expression ...
Beerda, B.   +3 more
core   +2 more sources

Postural defects - kyphosis, lordosis, sway back, flat back. Part two

open access: yesJournal of Education, Health and Sport, 2019
Posture defects are a serious social problem. It is very important to be able to distinguish between postural defects. A part of the second part of the paper presents a description of kyphosis, lordosis, sway back and flat back.
Piotr Jaworski
doaj   +3 more sources

Modeling Human Sexual Motivation in Rodents: Some Caveats

open access: yesFrontiers in Behavioral Neuroscience, 2019
Sexual behavior is activated by motivation. An overwhelming majority of experimental studies of the intricacies of sexual motivation has been performed in rodents, most of them in rats.
Olivia Le Moëne, Anders Ågmo
doaj   +1 more source

Radiographic Outcomes of Adult Spinal Deformity Correction : A Critical Analysis of Variability and Failures Across Deformity Patterns [PDF]

open access: yes, 2014
Study Design: Multicenter, prospective, consecutive, surgical case series from the International Spine Study Group. Objectives: To evaluate the effectiveness of surgical treatment in restoring spinopelvic (SP) alignment.
AMES, Christopher P.   +12 more
core   +3 more sources

“Insert flipping technique:” An effective way of restoring segmental lordosis and disc height with tall bullet cages

open access: yesJournal of Craniovertebral Junction and Spine, 2023
Study Design: The study design was a retrospective study. Objective: The objectives of the present study are dual; to describe a simple and effective way of restoring intervertebral disc (IVD) height by the “Insert Flip Technique” of cage insertion and ...
Arvind G Kulkarni   +3 more
doaj   +1 more source

Análisis radiográfico de los parámetros espinopélvicos obtenidos con el dispositivo de TLIF anterior. Estudio multicéntrico

open access: yesRevista de la Asociación Argentina de Ortopedia y Traumatología, 2022
Objetivo: Comunicar los resultados obtenidos según la posición del dispositivo de TLIF anterior. Materiales y Métodos: Estudio multicéntrico, observacional, analítico, transversal, de recuperación retrospectiva.
Enrique Augusto Gobbi   +6 more
doaj   +1 more source

Using Lordotic Cages at the L5–S1 Level Does Not Guarantee the Improvement of Sagittal Alignment in Patients Who Underwent Posterior Lumbar Interbody Fusion [PDF]

open access: yesAsian Spine Journal, 2023
Study Design Retrospective comparative study. Purpose This study aimed to investigate the effects of the lordotic angle of cages on sagittal alignment in patients who underwent 1- or 2-level posterior lumbar interbody fusion (PLIF), including the L5–S1 ...
Jae Hwan Cho   +3 more
doaj   +1 more source

Peripheral and central mechanisms involved in hormonal control of male and female reproduction [PDF]

open access: yes, 2016
Reproduction involves the integration of hormonal signals acting across multiple systems togenerate a synchronized physiological output. A critical component of reproduction is the luteinizinghormone (LH) surge, which is mediated by estradiol (E2) and ...
Bentley, G. E.   +6 more
core   +1 more source

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