Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Maria Gloria Selmi"'
The seminal receptacle and sperm storage in Cochlostoma montanum (Issel) (Gastropoda: Prosobranchia)
Autor:
Folco Giusti, Maria Gloria Selmi
Publikováno v:
Journal of morphology. 184(2)
Females of Cochlostoma montanum (Prosobranchia, Cochlostomatidae) have a seminal receptacle which is not a separate diverticulum of the oviduct. The seminal receptacle derives from a differentiated portion of the renal oviduct which has an inner wall
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b45f245137a917e5648ac41da87145e4
https://pubmed.ncbi.nlm.nih.gov/30011977
https://pubmed.ncbi.nlm.nih.gov/30011977
Publikováno v:
Journal of morphology. 223(1)
The spermathecae of female Salamandrina terdigitata were observed using light and transmission electron microscopy during the fallspring period of sperm storage and secretory activity and during the summer stasis. When sperm are stored inside the spe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ddcdb745fbd8ebd9feb56e8c562d5b85
https://pubmed.ncbi.nlm.nih.gov/29865306
https://pubmed.ncbi.nlm.nih.gov/29865306
Publikováno v:
Andrologia. 9:255-264
2 aberrant processes involved in the teratogenesis of round-headed sperm are focused on: acrosome development and nuclear differentiation. The spermatozoa of 1 infertile patient all appearing round-headed under a light microscope were analyzed using
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2cee0ddab68952306c36287e878aa882
https://doi.org/10.1111/j.1439-0272.1977.tb01298.x
https://doi.org/10.1111/j.1439-0272.1977.tb01298.x
Publikováno v:
Italian Journal of Zoology. 63:1-11
In this paper we describe the behaviour of the symbiotic bacteria of Blattella germanica and Periplaneta americana during embryo development using transmission and scanning electron microscopy. In Blattella germanica, the bacteria are transferred by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43f600d81716a623dd577647457522ca
https://doi.org/10.1080/11250009609356100
https://doi.org/10.1080/11250009609356100
Publikováno v:
Bolletino di zoologia. 62:235-238
This paper reports the first ultrastructural investigation of bacteriocytes of a member of the genus Cryptocercus. The study of thin sections and freeze‐fracture replicas revealed that the symbionts are sequestered intracellularly within a vacuolar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a76cb81a1d05941e26e86ec5ff902940
https://doi.org/10.1080/11250009509356070
https://doi.org/10.1080/11250009509356070
Publikováno v:
Bolletino di zoologia. 58:103-106
Thin sections and freeze‐fracture replicas of Blaberus craniifer bacteriocytes show peculiar differentiations of the vacuolar mem brane that encircles each symbiont. These differentiations consist ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c1d87ed8ea26f06a45d8641b9f4d2f8
https://doi.org/10.1080/11250009109355738
https://doi.org/10.1080/11250009109355738
Autor:
Massimo Scaglia, Luciano Sacchi, Maria Gloria Selmi, Simonetta Gatti, S. Corona, Maria Giovanna Riparbelli, P. Lanzarini, Elisa Bigliardi
Publikováno v:
The Journal of eukaryotic microbiology. 45(3)
The mitotic process in microsporidian Encephalitozoon hellem, a known human pathogen, has been studied with the aim of elucidating some ultrastructural aspects of its nuclear division. The presence of a nuclear spindle, of "electrondense spindle plaq
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80177a38e33b441c837b8f35ef1a8dbf
https://pubmed.ncbi.nlm.nih.gov/9627995
https://pubmed.ncbi.nlm.nih.gov/9627995
Publikováno v:
Tissuecell. 29(6)
Mature spermatozoa belonging to four salamander species, Salamandrina terdigitata, Triturus alpestris, Triturus carnifex and Triturus vulgaris, have been investigated by electron microscopy. The sperm ultrastructure of these species was compared with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b2d470a2e4ab5cd455039f93f0276eb
https://pubmed.ncbi.nlm.nih.gov/18627832
https://pubmed.ncbi.nlm.nih.gov/18627832
Autor:
Simonetta Gatti, Luciano Sacchi, Maria Gloria Selmi, Pietro Lupetti, Elisa Bigliardi, S. Corona, Massimo Scaglia
Publikováno v:
Scopus-Elsevier
A study of the spore wall of Encephalitozoon hellem was performed on thin sections, freeze-fracture, and deep-etched samples to obtain information on spore wall organization and composition. Our observations demonstrate that the spore wall is formed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b888e5e304a351df3ea2111c49b8d92
https://pubmed.ncbi.nlm.nih.gov/8640188
https://pubmed.ncbi.nlm.nih.gov/8640188
Publikováno v:
Journal of Ultrastructure and Molecular Structure Research. 99:107-123
The spermatozoon of Onchidella celtica shows many peculiar features. The acrosome is formed by an apical vesicle and a pedestal consisting of a principal body which is flanked by two electron-dense elliptical elements. The mitochondrial derivative co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::45d8fe383cda2fcbe160259a53937812
https://doi.org/10.1016/0889-1605(88)90047-x
https://doi.org/10.1016/0889-1605(88)90047-x