How do the growth hormone axes differ between mice and rats?

Nov 10, 2012 ... Mice (Mus) and rats (Rattus) are definitely separate species, by whichever definition of species you choose to use. They are genetically distinct. A mouse's head comes to more of a point than a rat's, which is more wedge-shaped. A mouse's head looks small on its body, while a rat's head is more ... Rats are bigger and weigh more than mice which have more slender bodies. Their tails are different. The rat's tail is short and hairless, whereas the mouse's ... Quick Physical Differences Between Mice & Rats · Mice are often more brown than rats, and they have darker-toned bellies. · While a rat's tail normally carries ... Morphological differences: Norway rats are larger, heavier and longer than house mice (Norway rat: 350-650 grams, 9-11 inch bodies and 7-9 inch tails; house ... Nov 4, 2020 ... Although there are many different rat and mouse species, rats and mice in general have several unique differences. Jan 11, 2023 ... Mice, commonly known as house mice, are smaller than rats, ranging from four to six inches in length. They typically have light brown coloring and dark tails. Voles look like the stockier cousins of field mice. Although they share a mouse's rounded ears, voles have thicker bodies, much shorter tails, and rounder, ... Differences between rats and mice · While a mouse possesses a small slender body, rats are larger. · Rats have larger heads that complement their larger size ... Mice are impaired relative to rats in place and matching-to-place learning when tests are given in a swimming pool. The rat advantage may stem from a ...