Anatomy’s Hairy Roots: Surprising Connections between Body Parts and Latin Terminology
Have you ever wondered why the smallest blood vessels in your body are called capillaries? Or why the dome of your skull is known as…
Lipid Composition of Human Hair: An Overview
Human hair is an intricate filamentous structure that extends from the hair follicle and is composed primarily of proteins (keratins), water, trace elements, and lipids.…
Hair Repigmentation: Unraveling the Possibility of Reversing Gray Hair
Graying hair, medically referred to as canities or achromotrichia, has long been accepted as an inevitable part of the aging process. Coloration of scalp hair…
The Hair Pull Test – A Guide to Measuring Hair Shedding and Follicle Health
When it comes to evaluating hair loss, one of the simplest clinical procedures a dermatologist may use is the hair pull test. Despite its straightforward…
The Sign of Hertoghe (Queen Anne’s Sign): Loss of the Outer Eyebrows
The Sign of Hertoghe, also known as Queen Anne’s sign, refers to the thinning or loss of the lateral third of the eyebrows. Although once…
An Overview of Head Lice: Biology, Epidemiology, and Management
Head lice (Pediculus humanus capitis) are parasitic insects that infest human scalps, feeding on blood and causing a condition known as pediculosis. This article explores…
An Overview of Human Hair Follicle Embryogenesis
Human hair follicle embryogenesis is a complex and tightly regulated developmental process. This biological phenomenon is governed by an intricate interplay of molecular signals, cellular…
Syphilis and Hair Loss
Syphilis is a chronic, multistage infectious disease caused by the spirochete Treponema pallidum. Known historically as “the great imitator,” syphilis has puzzled clinicians for centuries…
An Overview on Trichothiodystrophy
Trichothiodystrophy (TTD) is a rare, autosomal recessive disorder characterized by sulfur-deficient hair, developmental anomalies, and a spectrum of systemic manifestations. It falls under the category…