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In vertebrate animals that evolved to lose their tails (e.g. frogs and hominid primates), the coccyx is the homologous vestigial of the tail. While tails are primarily considered a feature of vertebrates, some invertebrates such as scorpions and springtails, as well as snails and slugs, have tail-like appendages that are also referred to as tails.
A 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.
Limb (anatomy) of a tetrapod animal, more specifically its distalmost portion, including: Hand, a prehensile, multi-digited organ located at the end of the arm of bipedal primates (especially humans) Foot, the terminal portion of a limb which bears weight and allows locomotion; Paw, a furry, padded foot with claws, common in many quadruped animals
The prehensile-tail of a mantled howler monkey. A prehensile tail is the tail of an animal that has adapted to grasp or hold objects. [1] Fully prehensile tails can be used to hold and manipulate objects, and in particular to aid arboreal creatures in finding and eating food in the trees.
A beetle leg. An appendage (or outgrowth) is an external body part or natural prolongation that protrudes from an organism's body such as an arm or a leg. Protrusions from single-celled bacteria and archaea are known as cell-surface appendages or surface appendages.
Limb (anatomy), an appendage of a human or animal; Limb, a large or main branch of a tree; Limb, in astronomy, the curved edge of the apparent disk of a celestial body, e.g. lunar limb; Limb, in botany, the border or upper spreading part of a petal or sepal; Limb, in a measuring instrument, the graduated edge of a circle or arc
The torso or trunk is an anatomical term for the central part, or the core, of the body of many animals (including human beings), from which the head, neck, limbs, tail and other appendages extend.
At the posterior end is a tail which continues the spinal cord and vertebrae but not the gut. The mouth is found at the anterior end of the animal, and the anus at the base of the tail. [27] The defining characteristic of a vertebrate is the vertebral column, formed in the development of the segmented series of vertebrae.