Search

Displaying 271 - 280 of 730

Torsten Wiesel (1924– )

By: Dina A. Lienhard | Published: Sep 13, 2017

Torsten Nils Wiesel studied visual information processing and development in the US during the twentieth century. He performed multiple experiments…

VisionVisual pathwaysNobel Prize winnersNeural networks (Neurobiology)Neural Receptors

Amphioxus, and the Mosaic Theory of Development (1893), by Edmund Beecher Wilson

By: James Lowe | Published: Mar 31, 2015

Edmund Beecher Wilson experimented with Amphioxus (Branchiostoma) embryos in 1892 to identify what caused their cells to differentiate into new types…

Wilson, Edmund B. (Edmund Beecher), 1856-1939AmphioxusEmbryosEmbryologyDevelopmental Biology

Facial Abnormalities of Fetal Alcohol Syndrome (FAS)

By: Erica O'Neil | Published: Sep 28, 2010

Prenatal exposure to alcohol (ethanol) results in a continuum of physical, neurological, behavioral, and learning defects collectively grouped under…

fetal alcohol syndromeReproductionHuman Development

Matthias Jacob Schleiden (1804–1881)

By: Sara Parker | Published: May 29, 2017

Matthias Jacob Schleiden helped develop the cell theory in Germany during the nineteenth century. Schleiden studied cells as the common element among…

Cell BiologyBotanyEpigenesisEmbryologyBiology, Experimental

Paternal Sperm Telomere Elongation and Its Impact on Offspring Fitness

By: Joanna Yang, Zane Bartlett | Published: Feb 07, 2017

Telomeres are structures at the ends of DNA strands that get longer in the DNA of sperm cells as males age. That phenomenon is different for most…

TelomereAgingSpermSpermatozoaTelomerase

Sex Determination in Humans

By: Risa Aria Schnebly | Published: Jul 16, 2021

In humans, sex determination is the process that determines the biological sex of an offspring and, as a result, the sexual characteristics that they…

Sex DeterminationGenetic sex determinationIntersex peopleDiscrimination against intersex peopleStevens, N. M. (Nettie Maria), 1861-1912

The Role of the Notch signaling pathway in Somitogenesis

By: Justin M. Wolter | Published: Mar 23, 2014

Among other functions, the Notch signaling pathway contributes to the development of somites in animals. It involves a cell signaling mechanism with…

Notch genesNotch ProteinsReceptors, NotchNotch Receptors

Epigenetic Landscape

By: Adam R. Navis | Published: Oct 30, 2007

The epigenetic landscape is a concept representing embryonic development. It was proposed by Conrad Hal Waddington to illustrate the various…

Waddington, C. H. (Conrad Hal), 1905-1975EpigeneticsCell differentiationEmbryologyDevelopmental Biology

“Neuroendocrine Tumor of the Uterine Cervix: A Therapeutic Challenge for Gynecologic Oncologists” (2017), by Angiolo Gadducci, Silvestro Carinelli, and Giovanni Aletti

By: Alexis Darby | Published: Apr 16, 2022

In 2017, Angiolo Gadducci, Silvestro Carinelli, and Giovanni Aletti published, "Neuroendocrine Tumor of the Uterine Cervix: A Therapeutic…

LiteratureCervical CancerCancerUterine Cervical NeoplasmsNeoplasms

Rock-Menkin Experiments

By: Stephen Ruffenach | Published: Jan 13, 2009

Dr. John Rock, a doctor of obstetrics and gynecology in Boston, and Miriam Menkin, Rock s hired lab technician, were the first researchers to…

Fertilization in VitroExperimentsReproductionFertilization