#alanto
- Allanto- — A combining form or structural prefixoid used in international medical and biological terminology to introduce references to the allantois (a sac-like embryonic membrane), to allantoic acid, or to anatomical structures shaped like a sausage or an elongated sac. This lexical element serves to construct complex neologisms within the disciplines of embryology, urology, and histology.
- Allantoid — Pertaining to the allantois, or having the shape of a sausage or an elongated sac; allantoidian. In structural medical and biological terminology, the term describes the morphological configuration of certain embryonic appendages, fetal membranes, or elongated cavitary structures that appear during the early development phases of amniote vertebrates.
- Allantois — A sac-like, highly vascular embryonic membrane characteristic of reptiles, birds, and mammals, developing as a diverticulum of the fetal hindgut; a structural organ with vital functions in embryonic respiration, excretion, and nutrition, actively participating, in placental mammals, in the formation of the umbilical cord and placenta through its dense network of blood vessels.
- Allantoin — An organic compound with the chemical formula C4H6N4O3, resulting from the oxidation of uric acid in purine metabolism in most mammals (except higher primates and humans) or extracted from plants such as comfrey (Symphytum officinale); an active substance structurally recognized for its keratolytic, healing, anti-irritant, and intense moisturizing properties. Due to its capacity to stimulate cell proliferation and rapid regeneration of skin tissues, it is widely used in the dermatocosmetic industry for formulating creams, lotions, and ointments intended for sensitive or damaged skin.