WebOperculum: Definition & Types ... In fish, the operculum is a bony flap covering the gills. It moves back and forth to move water over the gills, allowing the fish to breathe, and … WebA bony fish's heart has two chambers: an atrium and a ventricle. The venous side of the heart is preceded by an enlarged chamber called the sinus venosus. ... Water enters the gill chamber through a fish's mouth and exits through gill openings under the operculum. Blood flowing through the gill filaments absorbs oxygen from the water. Some fish ...
Opercula Definition & Meaning - Merriam-Webster
The operculum is a series of bones found in bony fish and chimaeras that serves as a facial support structure and a protective covering for the gills; it is also used for respiration and feeding. See more The opercular series contains four bone segments known as the preoperculum, suboperculum, interoperculum and operculum. The preoperculum is a crescent-shaped structure that has a series of ridges … See more • Hyomandibula See more During development the opercular series is known to be one of the first bone structures to form. In the three-spined stickleback the opercular series is seen forming at around seven days after fertilization. Within hours the formation of the shape is visible … See more WebThe meaning of OPERCLE is operculum; specifically : the upper posterior and usually the largest bone of the operculum of a fish. howard hanna corning ny listings
Operculum: Definition & Types Study.com
WebNearly all fish have a streamlined body plan, which is divided into head, trunk and tail, although the dividing points are not always externally visible. The head of a fish includes the snout, from the eye to the forwardmost … Webplural opercula ō-ˈpər-kyə-lə also operculums 1 : a body process or part that suggests a lid: such as a : a horny or shelly plate on the posterior dorsal surface of the foot in many … WebOperculum Definition. In human biology, the operculum is the part of the brain that covers the insula. In birds, the operculum is a structure that covers nares of not all but few birds. In context to fish, the operculum is a flap that covers the gills of bony fish. The term operculum is used mainly for the fishes. how many innings for a game to count