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Tout voir sur WikipediaA limb (from Old English lim, meaning "body part") is a jointed, muscled appendage of a tetrapod vertebrate animal used for weight-bearing, terrestrial locomotion and physical interaction with other objects. The distalmost portion of a limb is known as its extremity. The limbs' bony endoskeleton, known … Afficher plus
Limbs are attached to the torso via girdles, either the pectoral girdle for the forelimbs, or the pelvic girdle for the hindlimbs. In terrestrial tetrapods, … Afficher plus
Limb development is controlled by Hox genes. All jawed vertebrates surveyed so far organize their developing limb buds in a similar way. … Afficher plus
1957John W. Saunders Jr. discovers the apical ectodermal ridge (AER) in chick embryos.1969John W. Saunders Jr. and Lewis Wolpert identify the zone of polarizing activity (ZPA) in chick embryos.1978Edward B. Lewis proposes the bithorax complex model for Hox gene regulation in Drosophila.1983Matthew P. Scott and Amy Weiner isolate the first Hox gene, Antennapedia, in Drosophila.1995Neil Shubin and colleagues discover Tiktaalik, a transitional fossil between fish and tetrapods, in Canada.Texte Wikipédia sous licence CC-BY-SA In human anatomy, the lower leg is the part of the lower limb that lies between the knee and the ankle. Anatomists restrict the term leg to this use, rather than to the entire lower limb. The thigh is between the hip and knee and makes up the rest of the lower limb. The term lower limb or lower extremity is commonly used to describe all of the leg.
Wikipedia · Texte sous licence CC-BY-SAWEBThe upper limbs or upper extremities are the forelimbs of an upright-postured tetrapod vertebrate, extending from the scapulae and clavicles …
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WEBA leg is a structure of gross anatomy, meaning that it is large enough to be seen unaided. The components depend on the animal. In humans and other mammals, a leg includes …
WEBHuman anatomy is the study of the shape and form of the human body. The human body has four limbs (two arms and two legs), a head and a neck, which connect to the torso. …
WEBIn human anatomy, the arm refers to the upper limb in common usage, although academically the term specifically means the upper arm between the glenohumeral joint …
WEB3 nov. 2023 · This topic page will briefly discuss the upper extremity anatomy in order to introduce you to the main regions of the upper limb, which includes: the shoulder, arm, …
Limb (anatomy) - Wikiwand
WEBA limb is a jointed, muscled appendage of a tetrapod vertebrate animal used for weight-bearing, terrestrial locomotion and physical interaction with other objects. The distalmost …
Limb - Simple English Wikipedia, the free encyclopedia
WEBA limb is a part of the body of a living creature, which extends from its trunk. Examples are the branches of a tree, and the legs of a man . In normal human body, there are four …
Category:Lower limb anatomy - Wikipedia
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