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New Discoveries in Human Anatomy
New Discoveries in Human Anatomy
Using advanced microscopy and imaging techniques, scientists have revealed new parts of the human body and overturned previous misconceptions.
New Discoveries in Human Anatomy
New Discoveries in Human Anatomy

Using advanced microscopy and imaging techniques, scientists have revealed new parts of the human body and overturned previous misconceptions.

Using advanced microscopy and imaging techniques, scientists have revealed new parts of the human body and overturned previous misconceptions.

developmental biology, physiology

Fluorescent microscopy image of an embryo model representing four tissue layers of this developmental stage. Cyan-labeled cells are clustered at the top of an ovoid structure, underneath them are yellow-labeled cells and under them red-labeled cells, and surrounding all three layers are white labeled cells.
The First Human Embryo Model From Embryonic Stem Cells
Shelby Bradford, PhD | Mar 1, 2024 | 2 min read
Jacob Hanna developed a method for replicating embryogenesis outside of the uterus to understand the underlying mechanisms.
A fluorescence microscopy image of placenta tissue made up of cells dyed blue, purple, pink and green on a black background.
The Cellular Intricacies of the Human Placenta
Ida Emilie Steinmark, PhD | Jul 5, 2023 | 2 min read
Rare samples saved 35 years ago helped researchers map gene expression and cell differentiation in first trimester placentas.
Infographic: The Modern Human Body
Diana Kwon | Feb 18, 2020 | 1 min read
The last few years have yielded new insights into human anatomy. Explore this interactive graphic to learn about some of these discoveries.  
c Caenorhabditis elegans neural map neuron pathway connections connectome
Biologists Create New Maps of Caenorhabditis elegans Neurons
Chia-Yi Hou | Jul 8, 2019 | 2 min read
The connectomes trace 385 neurons in the male worm and 302 neurons in the hermaphrodite worm.
Ultrasound of twins
Doctors Report World’s Second Case of “Semi-Identical” Twins
Catherine Offord | Feb 28, 2019 | 2 min read
The extremely rare event, thought to be caused by two sperm cells fertilizing the same egg simultaneously, was last reported in 2007.
Prenatal Exposure to Cannabis Affects the Developing Brain
Andrew Scheyer | Jan 1, 2019 | 10+ min read
Children born to moms who smoked or ingested marijuana during pregnancy suffer higher rates of depression, hyperactivity, and inattention.
Infographic: Macrophages Around the Body
Claire Asher | Sep 30, 2017 | 2 min read
In addition to circulating in the blood as immune sentinels, macrophages play specialized roles in different organs around the body.
Opinion: Aging, Just Another Disease
Mutaz Musa | Nov 1, 2016 | 3 min read
No longer considered an inevitability, growing older should be and is being treated like a chronic condition. 
Rethinking Lymphatic Development
Amanda B. Keener | Aug 1, 2015 | 9 min read
Four studies identify alternative origins for cells of the developing lymphatic system, challenging the long-standing view that they all come from veins.
Fertility Treatment Fallout
Jyoti Madhusoodanan | Jan 1, 2015 | 2 min read
Mouse offspring conceived by in vitro fertilization are metabolically different from naturally conceived mice.
Smurf-y Old Age
Beth Marie Mole | Apr 1, 2013 | 2 min read
Flies turning blue help researchers link the deterioration of the intestinal barrier to age-related death.
All In Proportion
Savraj S. Grewal | Mar 1, 2013 | 1 min read
Drosophila insulin-like peptides (dILPs) regulate part of the signaling pathway that helps keep organs growing in proportion during development.
Instant Messaging
Savraj S. Grewal | Mar 1, 2013 | 9 min read
During development, communication between organs determines their relative final size.
Long and Rocky Roads
Mary Beth Aberlin | Nov 1, 2012 | 3 min read
From basic research to beneficial therapies
Growing Human Eggs
Hannah Waters | Jun 1, 2012 | 2 min read
Germline stem cells discovered in human ovaries can be cultured into fresh eggs.
Velcro Helps Muscles Grow
Edyta Zielinska | Aug 31, 2011 | 1 min read
Stretching muscle cells as they grow helps promote the expression of growth factors.
Primal Fashion
Cristina Luiggi | Jun 9, 2011 | 1 min read
Two sisters—Kate, a developmental biologist, and Helen, a high-end fashion designer—team up to develop a couture collection inspired by the first 1,000 hours of embryonic life. 
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