Results 131 to 140 of about 256,296 (370)

La corrispondenza tra Celeste Clericetti e Luigi Cremona dal 1871 al 1887 nelle lettere conservate presso l'Istituto Mazziniano di Genova [PDF]

open access: yesarXiv, 2016
The content of this paper is the noted transcription of the 48 letters that Celeste Clericetti wrote to Luigi Cremona and the 10 letters that Cremona wrote to Clericetti between 1871 and 1887. The correspondence is stored at the Istituto Mazziniano, Museo del Risorgimento in Genova and is now available at www.luigi-cremona.it ----- La ...
arxiv  

Transcriptome analysis of the differences in gene expression between testis and ovary in green mud crab (Scylla paramamosain)

open access: yesBMC Genomics, 2014
BackgroundThe green mud crab (Scylla paramamosain) is the most prevalent crustacean on the southeast coast of China. The molecular regulatory mechanism of sex determination and gonadal differentiation in this species has received considerable attention ...
Jie Gao   +5 more
semanticscholar   +1 more source

A case of hypogonadtropic hypogonadism due to hypophysitis discovered by secondary male infertility

open access: yesIJU Case Reports, Volume 6, Issue 1, Page 51-53, January 2023., 2023
Introduction The main causes of secondary male infertility are varicocele and aging. It is rarely caused by adult‐onset hypopituitarism. The onset of hypopituitarism is often due to brain tumors, trauma, surgery, or congenital disorders. Case presentation A 29‐year‐old man was admitted to the hospital with complaints of decreased libido and semen ...
Masatoshi Konishi   +8 more
wiley   +1 more source

Identification and characterization of testis-specific gene expressions in mouse tissues

open access: yesJournal of King Saud University: Science, 2023
The growth and fertilization of germ cells require the identification and characterization of their unique genes. Because the processes that take place in male germ cells are unique; that is, they do not occur in any other tissue.
Turki M. Alrubie   +6 more
doaj  

A Novel Deep Learning Architecture for Testis Histology Image Classification [PDF]

open access: yesarXiv, 2017
Unlike other histology analysis, classification of tubule status in testis histology is very challenging due to their high similarity of texture and shape. Traditional deep learning networks have difficulties to capture nuance details among different tubule categories.
arxiv  

Sex-Biased miRNAs in Gonad and Their Potential Roles for Testis Development in Yellow Catfish

open access: yesPLoS ONE, 2014
Recently, YY super-male yellow catfish had been created by hormonal-induced sex reversal and sex-linked markers, which provides a promising research model for fish sex differentiation and gonad development, especially for testis development.
Jing Jing   +8 more
semanticscholar   +1 more source

Left–right reversal of the testes within the scrotum: An extremely rare variant of testicular ectopia

open access: yesIJU Case Reports, Volume 6, Issue 1, Page 56-59, January 2023., 2023
Introduction Testicular ectopia refers to abnormal positioning of testis, which includes a wide variety of variants. An ectopic testis is located off the normal path of male gonadal descent, unlike conventional undescended testis. Case presentation A 37‐year‐old man presented with the complaint of a palpable lesion in the scrotum.
Kenjiro Kishitani   +9 more
wiley   +1 more source

orsed Intraabdominal Testis: A Rarely Considered Diagnosis

open access: yesWestern Journal of Emergency Medicine, 2006
Cryptorchidism, or maldescended testis, is a common problem encountered in pediatric age groups. Despite more than 100 years of research, many aspects of cryptorchidism are not well defined and remain controversial.
Osime, O C, Momoh, M I, Elusoji, S O
doaj  

Towards Population Scale Testis Volume Segmentation in DIXON MRI [PDF]

open access: yesarXiv
Testis size is known to be one of the main predictors of male fertility, usually assessed in clinical workup via palpation or imaging. Despite its potential, population-level evaluation of testicular volume using imaging remains underexplored. Previous studies, limited by small and biased datasets, have demonstrated the feasibility of machine learning ...
arxiv  

Transcriptional Activation of Elephant Shark Mineralocorticoid Receptor by Corticosteroids, Progesterone and Spironolactone [PDF]

open access: yesarXiv, 2018
We report the analysis of activation by corticosteroids and progesterone of full-length mineralocorticoid receptor (MR) from elephant shark, a cartilaginous fish belonging to the oldest group of jawed vertebrates. Based on their measured activities, aldosterone, cortisol, 11-deoxycorticosterone, corticosterone, 11-deoxcortisol, progesterone and 19 ...
arxiv  

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