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A closed human mouth. The lips come together to close the opening of the mouth, forming a line between the upper and lower lip. In facial expression, this mouth line is iconically shaped like an up-open parabola in a smile, and like a down-open parabola in a frown.
Effective porosity (also called open porosity) Refers to the fraction of the total volume in which fluid flow is effectively taking place and includes catenary and dead-end (as these pores cannot be flushed, but they can cause fluid movement by release of pressure like gas expansion [4]) pores and excludes closed pores (or non-connected ...
The mouth, for eating, drinking, breathing, and vocalizations such as speech; The ear canals, for the sense of hearing; The nasolacrimal ducts, to carry tears from the lacrimal sac into the nasal cavity; The anus, for defecation; The urinary meatus, for urination in males and females and ejaculation in males
In botany, a stoma (pl.: stomata, from Greek στόμα, "mouth"), also called a stomate (pl.: stomates), is a pore found in the epidermis of leaves, stems, and other organs, that controls the rate of gas exchange between the internal air spaces of the leaf and the atmosphere.
The commissure is the corner of the mouth, where the vermillion border of the superior labium (upper lip) meets that of the inferior labium (lower lip). The commissure is important in facial appearance, particularly during some functions, including smiling. As such it is of interest to dental surgeons.
The mouth is the only place in the body which provides the sensation of taste. Due to these unique physiological features, the oral mucosa must fulfil a number of distinct functions. Protection: One of the main functions of the oral mucosa is to physically protect the underlying tissues from the mechanical forces, microbes and toxins in the ...
The mouth is the body orifice through which many animals ingest food and vocalize. The body cavity immediately behind the mouth opening, known as the oral cavity (or cavum oris in Latin ), [ 2 ] is also the first part of the alimentary canal , which leads to the pharynx and the gullet .
A dilated pore, also known as a dilated pore of Winer, is a cutaneous condition characterized by a solitary, prominent, open comedo on the face or upper trunk of an individual. [1]: 675 Louis H. Winer is credited with discovering the dilated pore. [2] [3]