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Embryo Blotting Paper Models
By: Karen Wellner
| Published: Nov 17, 2010
Anatomical models have always been a mainstay of descriptive embryology. As the training of embryologists grew in the late 1800s, so too did the need…
TechnologyModelsEducation
Assisted Reproductive Technologies
By: Tian Zhu
| Published: Jul 22, 2009
Assisted reproductive technologies (ART) are a collection of different techniques designed to help those who are infertile achieve a successful…
TechnologyReproductive Techniques, AssistedReproductionFertilization
2D Obstetric Ultrasound
By: Sean Cohmer
| Published: Jan 01, 2012
The development of the obstetric ultrasound has allowed physicians and embryologists to obtain a clear picture of the developing human embryo and…
TechnologyUltrasonographyReproductionmedicineHuman Development
Intrauterine Insemination
By: Tian Zhu
| Published: Jul 22, 2009
Intrauterine insemination (IUI), also known as artificial insemination, is one of the earliest and simplest assisted reproductive technologies (ART…
TechnologyArtificial InseminationFertilizationReproduction
Menstrual Tampon
By: Rainey Horwitz
| Published: May 25, 2020
Menstrual tampons are feminine hygiene devices, usually made of absorbent cotton, that are temporarily inserted into the vagina for absorbing a woman…
TechnologyTamponsTampons--ComplicationsMenstruationMenstrual Cycle
Cord Blood Banking
By: Angel Lopez
| Published: Nov 17, 2010
Cord blood banks are institutions designed to store umbilical cord blood (UCB) stem cells. UCB, a source of hematopoietic stem cells (HSCs), has…
TechnologyFetal BloodCord Blood Stem Cell TransplantationReproductionStem Cells
Alexis Carrel's Tissue Culture Techniques
By: Lijing Jiang
| Published: Jun 18, 2010
Alexis Carrel, the prominent French surgeon, biologist, and 1912 Nobel Prize laureate for Physiology or Medicine, was one of the pioneers in…
TechnologyCarrel, Alexis, 1873-1944Tissue Culture TechniquesTissue culture
Gender-affirming Mastectomy
By: Riley McInnis
| Published: Nov 10, 2022
Gender-affirming mastectomy is a type of surgery that removes breast tissue, tightens the skin, and can adjust nipple placement to provide the…
TechnologyTransgender menTransgender youthTransgender ChildrenTransphobia
No-scalpel Vasectomy
By: Cole Nichols
| Published: Jul 04, 2022
No-scalpel vasectomy, or NSV or keyhole vasectomy, is a surgical method of sterilization that involves puncturing the skin of the scrotum to access…
TechnologySterilizationVasectomyMale SterilizationFamily Planning
The Guthrie Test for Early Diagnosis of Phenylketonuria
By: Meilin Zhu
| Published: Mar 30, 2017
The Guthrie test, also called the PKU test, is a diagnostic tool to test infants for phenylketonuria a few days after birth. To administer the…
TechnologyGuthrie, Robert, 1916-1995PhenylketonuriaMental RetardationAmino acids--Metabolism--Disorders