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the lips and cheeks in dogs and cats are the structures that make up the lateral boundaries of the oral vestibule. they are composed of an outer integument layer, middle muscular and fbroelastic layer, and an inner mucosal layer.32 cranial nerve (cn) vii (facial nerve) provides motor innervation to these muscles, and cn v (trigeminal nerve) provides sensory innervation to the outer and inner surfaces of the lips and cheeks. the tissues are relatively vascular, with branches of the facial artery supplying the lower lip and cheek and branches of the infraorbital artery supplying the upper lip and cheek (figure 87.2).32 the lips and cheeks provide a lateral and rostral barrier to the oral vestibule and aid in expression of emotions such as anger and fear.32,75,91 although not normally involved with prehension of food or drinking of water, the lips and cheeks may be important in retention of saliva, especially from the zygomatic and parotid salivary glands, the only glands that empty into the oral vestibule.
لب ها و گونه ها در سگ ها و گربه ها ساختاری هستند که مرزهای جانبی دهلیز دهان را تشکیل می دهند. آنها از یک لایه استخوان خارجی ، عضله میانی و لایه فبرولاستیک و یک لایه مخاطی داخلی تشکیل شده اند. 32 عصب جمجمه (cn) vii (عصب صورت) عصب حرکتی این عضلات را فراهم می کند و cn v (عصب سه قلو) عصب حسی را برای سطح خارجی و داخلی لب ها و گونه ها. بافت ها نسبتاً عروقی هستند و دارای شاخه های شریان صورت هستند
Última atualização: 2021-03-30
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