All articles tagged with #anatomy
A Lifes Little Mysteries explainer examines why humans uniquely have a chin, outlining several theories—from jaw reinforcement and facial remodeling to potential social signaling—while noting there’s no consensus and that the chin may be a byproduct of how the human face evolved rather than a feature with a single purpose.
A Leeds exhibition, Beneath the Sheets: Anatomy, Art and Power, reveals how centuries of anatomical illustration fused science with display, often using unconsenting cadavers and shaped by class, race and gender biases—from Rembrandt and Vesalius to 19th‑century atlases and the necropolitics of bodysnatching—asking who profits, who is depicted, and how social context has steered medical knowledge.
BuzzFeed compiles 17 candid on-the-job confessions from medical and skincare professionals—nurses, OB-GYNs, mammogram techs, and wax specialists—who regularly inspect patients’ genitals, breasts, and other private areas. The piece highlights vast anatomical variation, debunks myths about cleanliness and aging, and stresses that there’s no single “normal” look. It also notes common conditions like hemorrhoids and skin changes, reinforces that clinicians’ main goal is health and safety, and ends by inviting more anonymous submissions.
Life’s Little Mysteries examines how much of the body a person can lose and still survive, explaining the limits of bodily tolerances for tissue and blood loss, and it features an interactive bones quiz that tests readers on skeletal facts (e.g., the adult skeleton has about 206 bones; largest bone is the femur; smallest is the stapes) and other anatomy trivia.
In 1991, a groundbreaking experiment used MRI technology to observe sexual intercourse in real time, challenging long-held assumptions about human anatomy and revealing new insights into the body's functioning during intimacy, with lasting influence on medical understanding and public curiosity.
The human body has approximately seven or eight topologically distinct holes, including the mouth, anus, nostrils, tear ducts, and possibly the vagina and fallopian tubes, depending on how connections are counted, with the count influenced by the topological perspective that considers how openings connect internally.
Some turtles, like side-neck turtles and box turtles, can tuck their heads into their shells as a defense mechanism, but sea turtles cannot due to their lighter shells. The turtle shell evolved over nearly 300 million years primarily for protection and support, with different species developing various ways to utilize or not utilize this feature. Fossil evidence shows the shell's evolution from wider ribs and other skeletal modifications, not solely for defense.
Scientists discovered that chameleons have spiral, coiled optic nerves that enable their eyes to move independently, a unique adaptation that allows them to scan their environment like security cameras before coordinating their vision to strike prey. This structure, previously overlooked due to traditional dissection methods, is present across multiple chameleon species and likely evolved as a response to their stiff necks, maximizing their visual range.
The article showcases 48 fascinating photos of the human body, highlighting its incredible ability to heal, adapt, and the various medical conditions and procedures, from wrinkles and extra teeth to complex surgeries and injuries.
A well-preserved early parviraptorid fossil from the Middle Jurassic reveals a mosaic of snake-like and primitive squamate features, challenging simple evolutionary models and highlighting complex morphological evolution during early squamate diversification.
Many organs in the human body are not essential for survival, and individuals can live functional lives without them, including the appendix, gallbladder, one kidney, parts of the digestive system, and even the lungs, though some organ removals require lifestyle adjustments and medical management.
The study refines the understanding of the mouse medial prefrontal cortex (MPF), especially the dorsal peduncular cortex (DP), revealing its unique anatomy, cell types, and neural connectivity, including its role in autonomic and behavioral regulation through specific cortical, thalamic, hypothalamic, and brainstem pathways.
Surgeons share intriguing and lesser-known facts about the human body, such as the potential for fallopian tubes to detour to the liver, the brain's mobility during surgery, and the resilience of skin, revealing the body's surprising complexities and resilience.
A collection of 41 fascinating and sometimes unsettling photos showcasing various aspects of the human body, including rare medical conditions, anatomical anomalies, and the effects of different health issues.
Researcher Brandon Moore of Louisiana Tech University had a surprise when dissecting an alligator and accidentally triggered an erect penis, which stays permanently erect due to layers of collagen. Unlike mammals and birds, the alligator penis doesn't need to inflate and is tucked behind a cloaca until needed. This unique feature allows for quick fertilization before being retracted. Other animals, like blue whales, also have unusual reproductive organs, with penises up to 10 feet long and testes weighing up to 150 pounds.