Results 31 to 40 of about 860,661 (358)

Spermatogenesis in immature mammals [PDF]

open access: yesReproductive Medicine and Biology, 2007
Mammalian spermatogenesis has been studied extensively as a prime theme of male reproductive biology, especially for germ cell production, fertilization and development. Investigation of spermatogenesis has provided us with the opportunity to both study the male germ line stem cells and generate the transgenic animals.
Koh-Ichi, Hamano   +3 more
openaire   +2 more sources

Primary Immature Renal Teratoma in a Neonate

open access: yesOman Medical Journal, 2023
Teratomas are neoplasms that commonly arise from the gonads. It is rare that they originate in the kidney. Immature intrarenal teratomas are exceptionally rare. To our knowledge, the current case will be the fifth immature intrarenal teratoma reported in
Ali Al Sharqi   +6 more
doaj   +1 more source

Comparative evaluation of the clinical and radiographic success of regenerative endodontic procedures in immature versus mature permanent incisors with apical periodontitis: A prospective observational study

open access: yesEndodontology
Aim: The aim of the study was to know the clinical and radiographic outcomes of regenerative endodontic procedures of immature versus mature in young permanent incisors with apical periodontitis.
Taruna Yadav   +5 more
doaj   +1 more source

Intraoral Immature Malignant Teratoma with No Evidence of Other Sites of Involvement in a 6-Year-Old Patient: A Case Report

open access: yesReports
Background and Clinical Significance: Head and neck teratomas are embryonal tumors that develop when totipotent germ cells escape the developmental control of primary organizers and form a more-or-less organoid mass in which tissues from all three germ ...
Vasileios Zisis   +4 more
doaj   +1 more source

Single-cell RNA sequencing identifies distinct mouse medial ganglionic eminence cell types. [PDF]

open access: yes, 2017
Many subtypes of cortical interneurons (CINs) are found in adult mouse cortices, but the mechanism generating their diversity remains elusive. We performed single-cell RNA sequencing on the mouse embryonic medial ganglionic eminence (MGE), the major ...
Chen, Ying-Jiun J   +7 more
core   +1 more source

A New Renormalization Scheme of Fermion Fields in Electroweak Standard Model

open access: yes, 2001
This paper has been withdrawn by the author,due a immature idea.Comment: 6 ...
Cutkosky R E   +9 more
core   +3 more sources

Replication confers β cell immaturity. [PDF]

open access: yes, 2018
Pancreatic β cells are highly specialized to regulate systemic glucose levels by secreting insulin. In adults, increase in β-cell mass is limited due to brakes on cell replication.
Bengtsson, Henrik   +9 more
core   +2 more sources

Description of the puparium of Manotes plana (Diptera: Stratiomyidae: Pachygastrinae) from the Ilha da Marambaia, Mangaratiba, state of Rio de Janeiro, Brazil

open access: yesZoologia (Curitiba), 2009
The puparium of Manotes plana Kertész, 1916 is described based on the exuviae of six larvae collected under the bark of a plant in early state of decomposition in the Ilha da Marambaia (23°04'15"S, 43°53'59", at sea level), state of Rio de Janeiro ...
Roberto de Xerez   +1 more
doaj   +1 more source

Arhythmorhynchus comptus (Acanthocephala: Polymorphidae) from shorebirds in Patagonia, Argentina, with some comments on a species of profilicollis [PDF]

open access: yes, 2016
Adult and immature Arhythmorhynchus comptus (Acanthocephala: Polymorphidae) were found parasitizing the Baird’s Sandpiper, Calidris bairdii, and the White-rumped Sandpiper, Calidris fuscicollis (Aves: Scolopacidae), from several locations in Patagonia ...
Capasso, Sofía Carolina   +1 more
core   +3 more sources

European Standard Clinical Practice Guideline and EXPeRT Recommendations for the Diagnosis and Management of Gastroenteropancreatic Neuroendocrine Neoplasms in Children and Adolescents

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen   +23 more
wiley   +1 more source

Home - About - Disclaimer - Privacy