circular fold
11proventricular valvule — (ARTHROPODA: Insecta) In Diptera, a circular fold of the intestinal wall in Tipuloidea …
12pyloric sphincter — n the circular fold of mucous membrane containing a ring of circularly disposed muscle fibers that closes the vertebrate pylorus called also pyloric valve * * * musculus sphincter pyloricus …
13pyloric valve — n PYLORIC SPHINCTER * * * a prominent circular fold of mucous membrane in the stomach near the pyloric orifice …
14Protein folding — Protein thermodynamics redirects here. For the thermodynamics of reactions catalyzed by proteins, see Enzyme. Protein before and after folding. Protein folding is the process by which a protein structure assumes its functional shape or… …
15digestive system, human — Introduction the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… …
16reproductive system, human — Organ system by which humans reproduce. In females, the ovaries sit near the openings of the fallopian tubes, which carry eggs from the ovaries to the uterus. The cervix extends from the lower end of the uterus into the vagina, whose opening, as… …
17Rotational symmetry — Generally speaking, an object with rotational symmetry is an object that looks the same after a certain amount of rotation. An object may have more than one rotational symmetry; for instance, if reflections or turning it over are not counted, the …
18Muscle — is the tissue of the body which primarily functions as a source of power. There are three types of muscle in the body. Muscle which is responsible for moving extremities and external areas of the body is called "skeletal muscle." Heart… …
19Mastopexy — Intervention Breast lift: the pre operative aspects of mild breast ptosis (left), and the post operative aspects of the correction, the lifted bust (right) …
20Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
