Evidence for the innervation of sperm storage tubules in the oviduct of the turkey (Meleagris gallopavo)

Freedman, S.

doi:10.1530/reprod/121.5.809

Cited by 10 publications

(15 citation statements)

References 10 publications

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“…More recently, it has been suggested that sperm release from the SST may be a neural-mediated mechanism that initiates contraction of the actin-rich band in the apical cytoplasm of the SST epithelium (Freedman et al, 2001), thus expelling sperm from the SST lumen. Alternatively, Froman et al (2011) suggested that the sperm residing in the SST lumen are subjected to a fluid current moving toward the SST orifice ( Figure 2B).…”

Section: Vagina: Sperm Selection Transport and Storagementioning

confidence: 99%

PHYSIOLOGY AND ENDOCRINOLOGY SYMPOSIUM: Role of the oviduct in maintaining sustained fertility in hens1

Bakst

2011

Journal of Animal Science

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Section: Vagina: Sperm Selection Transport and Storagementioning

confidence: 99%

PHYSIOLOGY AND ENDOCRINOLOGY SYMPOSIUM: Role of the oviduct in maintaining sustained fertility in hens1

Bakst

2011

Journal of Animal Science

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“…As GHEs e as GIs encontravamse distribuídas ao longo das pregas da junção uterovaginal e do infundíbulo distal, em arranjo desordenado ( Fig. 1A e D), semelhantemente às descrições realizadas por Bakst (1994;, Freedman et al (2001), Miranda et al (2009) e Moraes et al (2009). Algumas pregas apresentaram maior concentração de GHEs e de GIs em relação às outras, e, mesmo dentro de uma prega, foram encontradas regiões com densidade maior de GHEs e de GIs do que em outra.…”

Section: Resultsunclassified

Período de permanência de espermatozoides em glândulas hospedeiras de espermatozoides e glândulas infundibulares em codorna de corte

Miranda

Xavier²,

Mahecha³

et al. 2013

Arq. Bras. Med. Vet. Zootec.

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RESUMOPara determinar o tempo de permanência de espermatozoides nas glândulas hospedeiras de espermatozoides (GHEs) e nas glândulas infundibulares (GIs) de codorna de corte (Coturnix coturnix coturnix), foram utilizados 12 machos e 66 fêmeas, totalizando 78 codornas em fase reprodutiva. As fêmeas foram distribuídas em 11 grupos e acasaladas por 24 horas em gaiolas individuais. Os machos, utilizados de modo intercalado, foram separados do contato com as fêmeas e colocados em descanso. As aves do grupo-controle (G0  seis fêmeas) foram abatidas no início do experimento, enquanto as 60 fêmeas acasaladas foram distribuídas em 10 grupos (G1 a G10, com seis fêmeas cada) e abatidas a cada período de 24 horas, de forma sequencial. Fragmentos foram obtidos da região uterovaginal e do infundíbulo e submetidos às análises histológica, histoquímica e histométrica com técnicas de rotina. Os resultados morfométricos mostraram que 46% das GHEs continham espermatozoides em seu lume no primeiro dia após o acasalamento, diminuindo gradativamente nos dias posteriores chegando a 3% no quinto dia. Nesse período, os espermatozoides ascendem em direção às GIs, onde permanecem viáveis e férteis por, pelo menos, 96 horas após deixarem as GHEs, possibilitando a postura de ovos férteis por 10 dias, em média, após o acasalamento.Palavras-chave: codorna europeia, glândulas hospedeiras de espermatozoides, morfometria ABSTRACT Sperm-Storage Tubules (SSPs) and Infundibular Tubules (ITs) are the structures responsible for sperm storage in the oviduct of birds, snakes, alligators and turtles after mating. Aiming to determine length of stay of sperm-storage tubules (SSPs) and infundibular tubules (ITs

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“…For example, highly fecund toms posses the most mobile sperm, and it is assumed that this "mobility" enhances selection of their sperm for transport to the UVJ after AI (Donoghue,'99). Recent observations by Freedman et al (2001) revealed that the SST are innervated and led to the suggestion that a neural mechanism may function in the release of sperm from the SST. Once the biological basis for sperm selection and storage is understood, our ability to store sperm in vitro will be vastly improved.…”

Section: Discussionmentioning

confidence: 99%

Oviducal sperm storage in turkeys: Spatial distribution of sperm within the uterovaginal junction sperm‐storage tubules

Bakst

Vinyard

2001

J. Exp. Zool.

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The spatial distribution of sperm within the sperm storage tubules (SST) found in the uterovaginal junction (UVJ) of the turkey is not known. In this study, we inseminated sperm stained with a fluorescent dye (Hoechst 33342) to determine their distribution in SST in the ventral, dorsal, and lateral regions of the proximal, middle, and distal regions of the UVJ. There was no preferential filling in the ventral‐dorsal axis of the UVJ. In contrast, preferential filling of the SST was observed in the middle section of the UVJ. Here the individual SST were clearly longer and more pleomorphic than the SST in the more proximal and distal aspects of the UVJ. While no information on the temporal aspect of SST filling by sperm could be gleaned, it is evident that the more morphologically developed SST either accept sperm more readily or store sperm more efficiently than SST elsewhere in the UVJ. J. Exp. Zool. 292:206–209, 2002. © 2002 Wiley‐Liss, Inc.

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Evidence for the innervation of sperm storage tubules in the oviduct of the turkey (Meleagris gallopavo)

Cited by 10 publications

References 10 publications

PHYSIOLOGY AND ENDOCRINOLOGY SYMPOSIUM: Role of the oviduct in maintaining sustained fertility in hens1

PHYSIOLOGY AND ENDOCRINOLOGY SYMPOSIUM: Role of the oviduct in maintaining sustained fertility in hens1

Período de permanência de espermatozoides em glândulas hospedeiras de espermatozoides e glândulas infundibulares em codorna de corte

Oviducal sperm storage in turkeys: Spatial distribution of sperm within the uterovaginal junction sperm‐storage tubules

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