Results 91 to 100 of about 88,646 (317)

Temporal Distribution of Solar Cycle 24 Sunspot Groups: Comparison to Cycles 12-23 [PDF]

open access: yes, 2020
We analyze the temporal distribution of sunspot groups for even and odd cycles in the range SC12-SC24. It seems that cycle 24 is a characteristic even cycle, although with low amplitude. The number of large sunspot groups for cycle 24 is relatively smaller than for the average of both even and odd cycles SC12-SC23, and there is a deep decline of the ...
arxiv   +1 more source

Interactions between BNST PACAP stress system and Estrous Cycling in Non-overiectomized Female Rats [PDF]

open access: yes, 2017
The objective of this investigation is to examine possible interactions between the BNST PACAP stress system and hormone levels during the estrous cycle of naturally cycling female rats.
Brumbaugh, Beniah
core   +1 more source

Validation of a dry‐slide immunoassay for progesterone analysis in canine plasma in a clinical setting

open access: yesVeterinary Clinical Pathology, Volume 51, Issue 4, Page 524-532, December 2022., 2022
Abstract Background The identification of canine ovulation is critical for successful breeding. Progesterone measurements are useful for identifying ovulation. Progesterone assays are also quantitative and easily accessed, making them valuable in veterinary practice.
Sarah Østergård Jensen   +3 more
wiley   +1 more source

Role of Peripheral Alpha2 Adrenergic Receptors in Tonic Pain During Different Stages of Estrous Cycle in Rats

open access: yesMajallah-i Dānishgāh-i ’Ulūm-i Pizishkī-i Shahīd Ṣadūqī Yazd, 2007
Introduction: Estrogen and progesterone are supposed to modify pain sensitivity. However, the actual role of each of these steroid hormones in this respect is not well known.
AR Abyazi Shelmani, M Taherianfard
doaj  

LEVEL OF ESTRADIOL 17-β SERUM AND OVARIAN FOLLICULARE DYNAMICS IN SHORT ESTROUS CYCLE OF BALI CATTLE

open access: yesJournal of the Indonesian Tropical Animal Agriculture, 2014
The aims of the research were to confirm the short estrous cycles and determine the blood level ofestradiol 17-β and ovarian follicukar dynamics in these cases.
C.M Airin   +3 more
doaj   +1 more source

Two-Tier Mapper: a user-independent clustering method for global gene expression analysis based on topology [PDF]

open access: yesarXiv, 2017
There is a growing need for unbiased clustering methods, ideally automated. We have developed a topology-based analysis tool called Two-Tier Mapper (TTMap) to detect subgroups in global gene expression datasets and identify their distinguishing features.
arxiv  

Old and new motivic cycles on Abelian surfaces [PDF]

open access: yesarXiv, 2023
Collino \cite{colo} discovered indecomposable motivic cycles in the group $H^{2g-1}_{\mathcal M}(J(C),{\mathds Z}(g))$. In an earlier paper we described the construction of some new motivic cycles which can be viewed as a generalization of Collino's cycle when $g=2$.
arxiv  

Penentuan Siklus Estrus Berdasarkan Gambaran Sitologi Vagina dan Profil Hormon pada Rusa Timor

open access: yesJurnal Veteriner, 2012
Determination of estrous cycle especially the length of estrous is an important role in improvingthe fertility and reproductive performance of farm animals.
Wilmientje Marlene Mesang Nalley   +5 more
doaj  

Evaluation of salivary biomolecules as an effective indicator in accurate and precised identification of estrus in Murrah buffaloes for timed AI

open access: yesIndian Journal of Animal Sciences, 2016
The present study was designed to estimate changes in salivary pH, electrical conductivity (EC) and its various constituent biomolecules like total carbohydrates, total proteins, albumin, mucin 5 and total lipids, during different phases of estrous ...
INDU DEVI   +5 more
doaj   +1 more source

The Role of RFamide-Related Peptide-3 in Age-Related Reproductive Decline in Female Rats. [PDF]

open access: yes, 2016
Reproductive senescence, the point in time when females cease to show estrous cyclicity, is associated with endocrine changes in the hypothalamus, pituitary, and gonads. However, the mechanisms triggering this transition are not well understood.
Bentley, George E   +4 more
core   +1 more source

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