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Pituitary gland tumors are very common in the canine. A productive form arising from the anterior pituitary is the primary cause of Cushing's disease of dogs. This tumor causes excessive production of cortisol from the adrenal cortex which leads to the classic signs of alopecia (hair loss), polyuria (excessive urination), polydipsia (excessive water drinking), and a pot-bellied appearance of ...
Mastocytomas in dogs occur mainly in the skin and subcutaneous tissue. Very rarely, they are found in internal organs such as the small intestine, [5] the mucosa of the mouth, [6] the nasal mucosa [7] or the conjunctiva. [8] About 20% of all skin tumors [9] and 6% of all tumors [10] in dogs are mastocytomas.
Articulata are a subclass or superorder within the class Crinoidea, including all living crinoid species. They are commonly known as sea lilies (stalked crinoids) or feather stars (unstalked crinoids). The Articulata are differentiated from the extinct subclasses by their lack of an anal plate in the adult stage and the presence of an ...
Venereal granulomata on a dog's penis. A canine transmissible venereal tumor (CTVT), also known as a transmissible venereal tumor (TVT), canine transmissible venereal sarcoma (CTVS), sticker tumor and infectious sarcoma, is a histiocytic tumor of the external genitalia of the dog and other canines, and is transmitted from animal to animal during mating.
This disease also impacts other animals such as monkeys, mice, and dogs. While certain gene deletions are more frequent than others, novel mutations resulting in Krabbe disease have been discovered worldwide. Most commonly, the underlying cause of the disease is a deletion of a GALC gene, which causes a deficiency in the GALC enzyme.
Cenometra bella is a species of crinoids belonging to the genus Cenometra.They can have up to 30 arms [2] and can be of variable colours but are often characterised by a marked contrast between the extending free-arms and the feathery pinnules (for example, dark brown and white). [2]
The multilobular tumour of bone (MTB), also called an osteochondrosarcoma, is the most common tumour of the canine skull, [1] although it is relatively rare in general.. MTB usually presents as a firm, circumscribed and generally slowgrowing bone tumour in older dogs from medium or large breeds.
Virgin dogs can become quite distressed at finding themselves unable to separate during their first copulation, and may try to pull away or run. Dog breeders often suggest it is appropriate for handlers to attempt to calm the mating dogs if they show anxiety once this stage is reached. After mating, the male usually licks his penis and prepuce.