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Retinoic acid can change skin structures in vertebrates, like turning scales into feathers or hair buds into glands.

Secreted inhibitors of Wnt and IGF signaling control hair and tooth development, creating species-specific patterns.

Different enzymes are active in different parts of developing mouse organs.

Prdm1 is necessary for early whisker development in mice but not for other hair, and its absence changes nerve and brain patterns related to whiskers.

New techniques in scalp reconstruction have improved cosmetic results and reduced complications, especially for large defects.

Hair follicle development is controlled by interactions between skin tissues and specific molecular signals.

Children with cancer had slightly more unusual facial shapes than healthy kids, but not enough to easily tell them apart.

Researchers identified new cell types and genes in early hair follicle development.

Schizophrenia risk genes may affect early brain development, contributing to the disease.

Rat whisker cells can help turn other cells into nerve cells and might be used to treat brain injuries or diseases.

Cellular flows and tissue mechanics guide feather follicle formation in birds.

Neural crest cells could be used in regenerative medicine due to their ability to become different cell types.

Hair follicles supply a crucial brain development protein to the brain via platelets.

Tissue stem cells originate from specific areas in organs and are vital for organ maintenance and repair.

Keratinization in embryos helped vertebrates adapt to land by forming a protective skin barrier.

Mechanical forces are crucial for shaping cells and forming tissues during development.

The experiment showed that human skin grown in the lab started to form early hair structures when special cell clusters were added.

Baby and adult skin cells are different, with baby cells having more active pathways that could help grow new hair follicles.

Defects in certain proteins cause major heart abnormalities during early development.

Mechanosensory neurons adapt to different skin types after birth.

Newborn mouse skin cells can grow hair and this process can be recreated in adult cells to potentially help with hair loss.

Skin patterns form through molecular signals and genetic factors, affecting healing and dermatology.

Certain genes are more active in baby scalp cells and can help grow hair when added to adult mouse skin cells.

Tissue expansion for head and neck reconstruction has good blood supply and doesn't need capsule removal, but expect temporary hair loss with normal growth resuming after 6-8 months.

Different ectodermal organs like hair and feathers regenerate differently, with specific stem cells and signals involved in their growth and response to the environment.

The study identified unique genes in hair follicle cells and their environment, suggesting these genes help organize cells for hair growth.

Researchers created early-stage hair-like structures from skin cells, showing how these cells can self-organize, but more is needed for complete hair growth.

Whiskers can form without sensory nerves or Foxd1, thanks to Meis2 in mesenchymal cells.