### symptom | pain | neuralgia:

Trigeminal neuralgia
* appears to be causing face pain.
* can affect any part of the face supplied by the fifth cranial nerve.
* condition consisting of transient episodes of severe facial pain.
* disabling pain syndrome responsive to both medical and surgical therapies.
* disorder in which sudden lightning-like pains strike the face.
* has loss of myelin sheath in the cheek leading to intense facial pain.
* is an often misdiagnosed, intense pain in the face
  - diagnosed based upon the clinical findings
  - due to abnormal transmission in the trigeminal nerve
  - illnesses
  - more common in women than in men
  - probably the most common type of facial pain
  - the most common neurologic finding
* painful disorder of the fifth cranial nerve, called the trigeminal nerve.
* produces no clinical changes that can be measured.
* syndrome of chronic facial pain which severely affects quality of life.

Neuralgic pain
* follows nerve root compression.
* lasts for months to years.

Neurogenic pain
* can occur in response to even mild touch, heat, or chemical contact.
* is pain which arises from damaged nerves or from amputation.

### symptom | pain:

Neuropathic pain
* arises from nerve injury and is often opioid resistant.
* can respond well to amitryptyline.
* comes from aberrant signaling in the pain transmission or pain modulation pathways.
* feels different from most other types of pain
  - than the aches of everyday life
* happens when there is actual nerve damage.
* is also a part of porphyria.
* is caused by a structural abnormality in the nervous system
  - damage to nerves or altered nervous system function
  - derived from an injury to the peripheral or central nervous system
* is difficult to control
  - manage
* is opiate resistant at usual doses
* is pain caused by injury to or deterioration of nerves
  - that is caused by damage to nerve tissue
* responds poorly to opiates.

Nociceptive pain
* is caused by damage to tissue
* means pain caused by an injury or disease outside the nervous system.

### symptom | pain:

Oil paint
* are pigments dispersed in a drying oil such as linseed oil , castor oil, or tung oil
  - slow drying and can be blended
  - the most versatile of all
* can remain if bonded solidly to surfaces.
  * takes a long time to dry. Artists find this useful because they can keep working on the painting for a long time. People say that Leonardo da Vinci worked on his painting of the Mona Lisa for four years, even though it is not a very large picture.
* consists of ground pigment mixed with oil that dries on exposure to air
  - pigment, or colored powders, ground in oil that dries on exposure to air
* forms a tough plastic film as the binder reacts with oxygen in the air.
* is fuel-blended for energy recovery
  - days rather than hours to dry
* tends to dry, shrink and crack.
* very popular paint.
+ Oil paint, Painting an oil painting: Painting :: Paints
  * Oil paint can be almost as smooth as glass, or lumpy, bumpy or streaky.

Pain control
* can assist in making patients as comfortable as possible
  - provide comfort while healing, speed recovery and improve results of surgery
* fundamental part of the care and treatment of back disorders.
* is also important in patients with stable disease
  - common in primitive cultures
  - crucial, especially in pancreatic cancer
* significant part of arthritis treatment.

Patellofemoral pain
* common knee problem.
* multifactorial problem.

Pelvic pain
* can be a complex diagnosis for most physicians
  - troublesome but harmless part of ovulation or a sign of serious infection
  - occur when adhesions are stretched
* common complaint among women.
* very frequent complaint to gynaecologists.

Persistent pain
* inhibits contralateral somatosensory cortical activity in humans.
* means it is continuous and present most of the time.