What is buccal mucosa?

(BUH-kul myoo-KOH-suh) The inner lining of the cheeks.

What is the buccal in anatomy?

Mouth, also called oral cavity or buccal cavity, in human anatomy, orifice through which food and air enter the body. The mouth opens to the outside at the lips and empties into the throat at the rear; its boundaries are defined by the lips, cheeks, hard and soft palates, and glottis.

Where is the buccal in anatomy?

The buccal spaces are paired fat-containing spaces on each side of the face forming cheeks. Each space is enveloped by the superficial (investing) layer of the deep cervical fascia. It is located between the buccinator and platysma muscles, therefore it is only a small potential space with limited contents.

What is buccal mucosa cancer?

Inner cheek cancer (also called buccal mucosa cancer) is a type of head and neck cancer that begins when the cells that make up the inner cheek grow out of control and form lesions or tumors. Buccal mucosa is another name for the inside lining of the cheeks.

What is normal buccal mucosa?

Normal tissues of the buccal mucosa appear moist and pink/dark pink. They are soft and pliable on palpation with no discernible indurations.

What are the three types of oral mucosa?

Histologically, the oral mucosa is classified into three categories, lining, masticatory, and specialized. The epithelium of the lining mucosa is nonkeratinized stratified squamous, whereas that of the masticatory mucosa is ortho- or parakeratinized, to protect it from the shearing forces of mastication.

Where is the mucosa in the mouth?

The oral mucosa is the mucous membrane lining the inside of the mouth. It comprises stratified squamous epithelium, termed oral epithelium, and an underlying connective tissue termed lamina propria.

Why is it called buccal?

It’s derived from the Latin bucca, meaning “cheek.” The masses of fat and muscle that we call cheeks are contained in a pocket of space on our face called the buccal space.

What causes oral mucosa?

Oral mucosal conditions and diseases may be caused by local causes (bacterial or viral), systemic diseases (metabolic or immunologic), drug related reactions, or lifestyle factors such as consumption of tobacco, betel quid or alcohol [1].

Is buccal anterior or posterior?

Although technically referring only to anterior teeth (where the lips (labia) are present instead of cheeks), use of the term buccal has inaccurately extended to all teeth, anterior and posterior (instead of vestibular).

What Innervates the buccal mucosa?

The BN (also referred to as the long buccal nerve) is typically described in anatomy textbooks7-9 and anatomical studies10-12 as a sensory branch of the mandibular division of the trigeminal nerve that innervates the entire mucosa of the cheek, as well as the skin around the angle of the mouth.

What is the function of buccal cavity?

The buccal cavity or oral cavity is the beginning of the alimentary canal, which leads to the pharynx to the esophagus. It is separated by the palate and functions as an entrance to the digestive system and is composed of the teeth, tongue, and palate.

How do you treat buccal mucosa?

How is buccal mucosa cancer treated? Early-stage cancer of the buccal mucosa is often treated with surgery. Advanced cancer cases may require a combination of surgery and chemotherapy.

Can buccal mucosa be cured?

It is easy to cure carcinoma buccal mucosa, if diagnosed at an early stage. This type of cancer is mostly prevalent amongst men. It is essential to treat it immediately, or it can spread to the mouth, tongue, and other distant body parts.

Is cancer in the mouth curable?

Oral cancer is cancer that starts in cells that make up the inside of the mouth or the lips. Oral cancer is fairly common. It can be cured if found and treated at an early stage (when it’s small and has not spread).

What does a healthy oral mucosa look like?

Oral mucosa Healthy tissue appears moist, smooth, shiny and pink. Stensen’s duct is opposite the second molar.

What is the difference between oral and buccal?

Parts of the mouth include the lips, vestibule, mouth cavity, gums, teeth, hard and soft palate, tongue and salivary glands. The mouth is also known as the oral cavity or the buccal cavity.

What is the inside of your cheeks called?

Buccal means relating to the cheek. In humans, the region is innervated by the buccal nerve. The area between the inside of the cheek and the teeth and gums is called the vestibule or buccal pouch or buccal cavity and forms part of the mouth.

What are the different types of buccal mucosa?

Three main types of oral mucosa are found in the oral cavity: lining, masticatory, and specialized mucosa (Table 9-1). This classification of mucosa is based on the general histological features of the tissue.

What type of mucosa is buccal mucosa?

The oral cavity is lined by a mucous membrane (the oral mucosa) consisting of a stratified squamous epithelium, which may or may not be keratinized, and an underlying connective tissue layer, the lamina propria. The surface is kept moist with mucus produced by the major and numerous minor salivary glands.

What is the muscularis mucosa?

The muscularis mucosa is the outermost layer of the mucosa. It is composed of elastic fibers and 3–10 smooth muscle cells, generally arranged in an outer longitudinal and inner circular layer. Smooth muscle cells may radiate from the muscularis mucosa into the lamina propria and extend in the villi.

Are lips part of oral mucosa?

The oral cavity proper is lined by a masticatory mucosa (gingiva and hard palate), a lining mucosa (lips, cheeks, alveolar mucosal surface, floor of the mouth, inferior surface of the tongue, soft palate), and a specialized mucosa (dorsal surface of the tongue).

What do you mean by buccal?

1 : of, relating to, near, involving, or supplying a cheek the buccal surface of a tooth the buccal branch of the facial nerve. 2 : of, relating to, involving, or lying in the mouth the buccal cavity.

What is buccal region?

The buccal space (also termed the buccinator space) is a fascial space of the head and neck (sometimes also termed fascial tissue spaces or tissue spaces). It is a potential space in the cheek, and is paired on each side. … The buccal space is part of the subcutaneous space, which is continuous from head to toe.

What are the 2 basic divisions of the oral cavity?

The oral cavity is surrounded by the lips and is composed of two separate regions, the vestibule, the area between the cheeks, teeth, and lips, and the oral cavity proper.

What are the symptoms of mucosa?

White patches on the tongue and cheeks. Redness. Cracks at the corners of the mouth. Difficulty swallowing. … Herpes

What is benign mucosa?

Benign tumors of squamous epithelium covered in this course are firm, non-tender, white to tan, and have a rough, cauliflower, or warty surface. They are fixed to the surface mucosa. Papilloma, verruca, and condyloma are warts caused by human papillomavirus.

What diseases affect the mucous membranes?

Additional disorders may involve lesions affecting the mucous membranes. These disorders include Stevens-Johnson syndrome, erythema multiforme minor, paraneoplastic pemphigus, and linear IgA bullous dermatosis.