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External anatomy of a bony fish ( Hector's lanternfish ): 1. operculum (gill cover), 2. lateral line, 3. dorsal fin, 4. adipose fin, 5. caudal peduncle, 6. caudal fin, 7. anal fin, 8. photophores, 9. pelvic fins (paired), 10. pectoral fins (paired) Internal anatomy of a bony fish. Fish anatomy is the study of the form or morphology of fish.
Fish physiology is the scientific study of how the component parts of fish function together in the living fish. [ 2] It can be contrasted with fish anatomy, which is the study of the form or morphology of fishes. In practice, fish anatomy and physiology complement each other, the former dealing with the structure of a fish, its organs or ...
The atrium ( Latin: ātrium, lit. 'entry hall'; pl.: atria) is one of the two upper chambers in the heart that receives blood from the circulatory system. The blood in the atria is pumped into the heart ventricles through the atrioventricular mitral and tricuspid heart valves . There are two atria in the human heart – the left atrium receives ...
A magical diagram, composed of two circles, a pentagram, and three heptagons, and is labeled with the name of God and his angels. Squared circle: Alchemy: A symbol of the Philosopher's stone. Depicted on the left image is Michael Maier's Emblem XXI from Atalanta Fugiens. Sriramachakra: Tamil mysticism: A mystic diagram used for astrology. Sri ...
Description. Diagram of the human heart (cropped).svg. Diagram of the human heart, created by Wapcaplet in Sodipodi. Cropped by Yaddah to remove white space (this cropping is not the same as Wapcaplet's original crop). English: Diagram of the human heart.
The vesica piscis is a type of lens, a mathematical shape formed by the intersection of two disks with the same radius, intersecting in such a way that the center of each disk lies on the perimeter of the other. [ 1] In Latin, " vesica piscis " literally means "bladder of a fish", reflecting the shape's resemblance to the conjoined dual air ...
Venous heart. A venous heart is the type of heart in which only blood with CO₂ circulates. Venous hearts receive blood from veins and pumps it for oxygenation. This type of heart is generally found in fishes. Its also known as the original heart and every other heart is evolved from it it has a accessory chamber where both oxygenated and ...
Chondrichthyes ( / kɒnˈdrɪkθiiːz /; from Ancient Greek χόνδρος (khóndros) 'cartilage' and ἰχθύς (ikhthús) 'fish') is a class of jawed fish that contains the cartilaginous fish or chondrichthyans, which all have skeletons primarily composed of cartilage. They can be contrasted with the Osteichthyes or bony fish, which have ...