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Each hair follicle is surrounded by many melanocytes (pigment cells), which make and transfer the pigment melanin into a developing hair. Dog fur is colored by two types of melanin: eumelanin (brownish-black) and phaeomelanin (reddish-yellow). A melanocyte can be signaled to produce either color of melanin. Dog coat colors are from patterns of:
A dog's coat is composed of two layers: a top coat of stiff guard hairs that help repel water and shield from dirt, and an undercoat of soft down hairs, to serve as insulation. [1] Dogs with both under coat and top coat are said to have a double coat. Dogs with a single coat have a coat composed solely of guard hairs, with little or no downy ...
Image credits: forever_cat_lady However, if people manage to look after their dog, they can also start teaching their kids about the benefits of having a pet. Writing in the journal Nature ...
A melanistic mask (also referred to as a mask or masking) is a dog coat pattern that gives the appearance of a mask on the dog's face. The hairs on the muzzle, and sometimes entire face or ears, are colored by eumelanin instead of pheomelanin pigment. Eumelanin is typically black, but may instead be brown, dark gray, or light gray-brown.
As it turns out, one animal can feel our pain.
Hair loss is originally seen in areas of repeated grooming or trauma, for instance the neck because of contact with a collar. Hair regrowth may occur, but the hair will be even weaker and the pattern will repeat. The dogs are affected between the ages of two to four years, and it is most commonly seen on the back towards the tail.
The Kennedy clan is a family of dog lovers.. In a tribute to his beloved mother Ethel Kennedy who died on Oct. 10, Robert F. Kennedy Jr. revealed that she owned a lot of dogs in her lifetime ...
A hairless dog is a dog with a genetic disposition for hairlessness and hair loss. There are two known types of genetic hairlessness, a dominant and a recessive type. The dominant type is caused by ectodermal dysplasia as a result of a mutation in the FOXI3 autosomal gene.
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