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Knuckle pads are benign subcutaneous fibrotic nodules that are seen in the finger joints and/or the extensor area of the foot. [6] [7] [8] From a clinical perspective, these are well-defined, non-compressible, freely moveable lesions that resemble warts and primarily affect the dorsal portion of the proximal interphalangeal (PIP) and, less frequently, the metacarpophalangeal (MCP) joints.
The interactions between the gecko's feet and the climbing surface are stronger than simple surface area effects. On its feet, the gecko has many microscopic hairs, or setae (singular seta), that increase the Van der Waals forces - the distance-dependent attraction between atoms or molecules - between its feet and the surface.
The scaly-foot is snake-like in appearance, up to 80 cm in length with a noticeable "keel" or ridge on the top. Variable in colours and pattern, it occasionally is grey with black spots or [1] sometimes coppery brown with a grey tail. Other patterns and variations occur. Prominent limb flaps may be seen on close inspection, hence the name ...
The eastern hooded scaly-foot or eastern scaly-foot (Pygopus schraderi) is a species of flap-footed lizard found in the complex heaths of the lower west coast and the spinifex grasslands of mainland Australia. [2] They are popular pets and are often mistaken for snakes due to their limbless appearance. [2] [3]
When disturbed, hooded scaly-foot raise their heads and fore parts of their bodies from the ground, flatten their necks, and flicker their tongues, occasionally striking out. [ 5 ] [ 6 ] [ 7 ] The species does this in apparent mimicry of venomous snakes, to deter predators.
This condition is normally discovered at birth. If other symptoms are present, a specific syndrome may be indicated. [1] Diagnosis of a specific syndrome is based on family history, medical history, and a physical exam. Webbed toes are also known as "twin toes," "duck toes," "turkey toes," "tree toes" and "tiger toes." Severity can vary.
Burton's legless lizard (Lialis burtonis) is a species of lizard in the family Pygopodidae. The species lacks forelegs and has only rudimentary hind legs. [ 2 ] Pygopodid lizards are also referred to as "legless lizards", [ 3 ] "flap-footed lizards" [ 4 ] and "snake-lizards". [ 5 ]
The body temperature of the lizard during hibernation is 15.0 to 30.5 °C, but in many areas, the average body temperature during hibernation is around 16-18 °C. [ 5 ] The species is one of the few monitor lizards that tolerate relatively cold temperatures, being present as far north as south-west Kazakhstan.