Results 21 to 30 of about 63,921 (308)

New Species of Sminthuridae from North America (Collembola: Symphypleona) [PDF]

open access: yes, 2017
(excerpt) This account is the result of efforts by Drs. Kenneth Christiansen and Peter Bellinger to amass and examine the major collections of North American Collembola.
Snider, Richard J
core   +2 more sources

Ultrastructure of the ovary of Dermatobia hominis (Diptera: cuterebridae). II. Origin of the tunica propria in ovarioles

open access: yesMemorias do Instituto Oswaldo Cruz, 1990
Ovaries up to the 8th day pupae of Dermatobia hominis were studied by transmission electron microscopy. Ovarioles were recognized in ovaries of 4-day old pre-pupae, surrounded by a thin tunica propria of acellular fibrilar material similar in structure ...
E. A. Gregório   +3 more
doaj   +1 more source

Structure of the ovaries of the Nimba otter shrew, Micropotamogale lamottei, and the Madagascar hedgehog tenrec, Echinops telfairi [PDF]

open access: yes, 2005
The otter shrews are members of the subfamily Potamogalinae within the family Tenrecidae. No description of the ovaries of any member of this subfamily has been published previously.
A.C. Enders   +18 more
core   +1 more source

Comparative experimental re-evaluation of the two implanting methods of silicone gel testicular prostheses in beagle dogs

open access: yesBMC Research Notes, 2011
Background Testicular prosthesis has been applied clinically for decades, and implantation of testis prosthesis under the tunica albuginea has been considered to be the standard method in the most of the reports. However, postoperative scrotal appearance,
Chen Peng, Hao Tong-li
doaj   +1 more source

\u3ci\u3eSminthurus Mencenbergae,\u3c/i\u3e New Species from Canada and Michigan (Collembola: Sminthuridae) [PDF]

open access: yes, 2017
A new species, Sminthurus (Sminthurus) mencenbergar Snider, is described from Canada and ...
Snider, Richard J
core   +2 more sources

Histological study of the gall bladder of the common quail (Coturnix coturnix)

open access: yesVeterinární Medicína, 2014
The objective of this investigation was to study the histological structure of the gall bladder in the common quail (Coturnix coturnix). Samples were obtained from six male and six female healthy adult common quail.
B. Mobini
doaj   +1 more source

Tunica intima compensation for reduced stiffness of the tunica media in aging renal arteries as measured with scanning acoustic microscopy.

open access: yesPLoS ONE, 2020
ObjectivesAging causes stiffness and decreased function of the renal artery (RA). Histological study with light microscopy can reveal microscopic structural remodeling but no functional changes.
Katsutoshi Miura
doaj   +1 more source

Intestinal histomorphology, autochthonous microbiota and growth performance of the oscar (Astronotus ocellatus Agassiz, 1831) following dietary administration of xylooligosaccharide [PDF]

open access: yes, 2016
The present study investigates the changes in intestinal histomorphology, autochthonous microbiota and growth performance of the oscar, Astronotus ocellatus, following dietary administration of different levels of xylooligosaccharide (XOS).
Hoseinifar, S.H.   +2 more
core   +1 more source

Morphological studies on the prehatching development of the glandular stomach of Japanese quails using light, electron, and fluorescent microscopy

open access: yesScientific Reports, 2023
The development of the glandular stomach was studied using light, electron, and fluorescent microscopy. The research used 130 Japanese quail eggs from the second to the seventeenth days of incubation.The proventriculus could be distinguished on the3rd ...
Wafaa Gaber   +3 more
doaj   +1 more source

Overexpression of Aquaporin 1 in the Tunica Vaginalis May Contribute to Adult-Onset Primary Hydrocele Testis

open access: yesAdvances in Urology, 2014
To investigate the cause of the adult-onset primary noncommunicating hydrocele testis, protein expressions of water channel aquaporins (AQPs) 1 and 3 in the tunica vaginalis were assessed.
Mami Hattori   +6 more
doaj   +1 more source

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