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Hard palate
 
 
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The hard palate is a thin horizontal bony
Bone

Bones are rigid organ that form part of the endoskeleton of vertebrates. They function to move, support, and protect the various organs of the body, produce red blood cell and white blood cells and store minerals....
 plate of the skull
Skull

The skull is a bone structure found in the head of many animals. The skull supports the structures of the face and protects the head against injury....
, located in the roof of the mouth. It spans the arch formed by the upper teeth.

It is formed by the palatine process of the maxilla and horizontal plate of palatine bone
Horizontal plate of palatine bone

The horizontal part of the palatine bone is quadrilateral, and has two surfaces and four borders....
.

It forms a partition between the nasal passages and the mouth
Mouth

The mouth, buccal cavity, or oral cavity is the first portion of the alimentary canal that receives food and begins digestion by mechanically breaking up the solid food particles into smaller pieces and mixing them with saliva....
. This partition is continued deeper into the mouth by a fleshy extension called the soft palate
Soft palate

The soft palate is the soft biological_tissue constituting the back of the roof of the mouth. The soft palate is distinguished from the hard palate at the front of the mouth in that it does not contain bone....
.








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Encyclopedia


The hard palate is a thin horizontal bony
Bone

Bones are rigid organ that form part of the endoskeleton of vertebrates. They function to move, support, and protect the various organs of the body, produce red blood cell and white blood cells and store minerals....
 plate of the skull
Skull

The skull is a bone structure found in the head of many animals. The skull supports the structures of the face and protects the head against injury....
, located in the roof of the mouth. It spans the arch formed by the upper teeth.

It is formed by the palatine process of the maxilla and horizontal plate of palatine bone
Horizontal plate of palatine bone

The horizontal part of the palatine bone is quadrilateral, and has two surfaces and four borders....
.

It forms a partition between the nasal passages and the mouth
Mouth

The mouth, buccal cavity, or oral cavity is the first portion of the alimentary canal that receives food and begins digestion by mechanically breaking up the solid food particles into smaller pieces and mixing them with saliva....
. This partition is continued deeper into the mouth by a fleshy extension called the soft palate
Soft palate

The soft palate is the soft biological_tissue constituting the back of the roof of the mouth. The soft palate is distinguished from the hard palate at the front of the mouth in that it does not contain bone....
.

Function

The interaction between the tongue
Tongue

The tongue is skeletal muscle on the floor of the mouth that manipulates food for chewing . It is the primary organ of taste. Much of the upper surface of the tongue is covered in papillae and taste buds....
 and the hard palate is essential in the formation of certain speech sounds, notably /t/, /d/, /j/, and //.

Cleft

In the birth defect called cleft palate, the left and right portions of this plate are not joined, forming a gap between the mouth and nasal passage (a related defect affecting the face is cleft lip).

Cleft palate has a severe impact upon the ability to nurse
Lactation

Lactation describes the secretion of milk from the mammary glands, the process of providing that milk to the young, and the period of time that a mother lactates to feed her young....
 and speak but is now cured through reconstructive surgical
Surgery

Surgery is a medical specialty that uses operative manual and instrumental techniques on a patient to investigate and/or treat a pathological condition such as disease or injury, to help improve bodily function or appearance, or sometimes for some other reason....
 procedures at an early age (where such procedures are available).

See also

  • Electropalatograph
  • Head and neck anatomy
    Head and neck anatomy

    Head and neck anatomy focuses on the structures of the head and neck of the human body, including the brain, bones, muscles, blood vessels, nerves, glands, nose, mouth, teeth, tongue, and throat....
  • Maxilla
    Maxilla

    The maxilla is a fusion of two bones along the palate fissure that form the upper jaw. This is similar to the mandible, which is also a fusion of two halves at the mental symphysis....
  • Palate
    Palate

    The palate is the roof of the mouth in humans and vertebrate animals. It separates the oral cavity from the nasal cavity. The palate is divided into two parts, the anterior bony hard palate, and the posterior fleshy soft palate or velum....
  • Soft palate
    Soft palate

    The soft palate is the soft biological_tissue constituting the back of the roof of the mouth. The soft palate is distinguished from the hard palate at the front of the mouth in that it does not contain bone....


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