|
Fovea Centralis
|
D005584 |
[An area approximately 1.5 millimeters in diameter within the macula lutea where the retina thins out greatly because of the oblique shifting of all layers except the pigment epithelium layer. It includes the sloping walls of the fovea (clivus) and contains a few rods in its periphery. In its center (foveola) are the cones most adapted to yield high visual acuity, each cone being connected to only one ganglion cell. (Cline et al., Dictionary of Visual Science, 4th ed)
] |
|
Fowl adenovirus A
|
D025681 |
[A serotype of the species Fowl adenovirus A.
, The type species of the genus AVIADENOVIRUS, family ADENOVIRIDAE, an oncogenic virus of birds. This is also called CELO virus for chick embryo lethal orphan virus.
] |
|
Fowlpox
|
D005586 |
[A poxvirus infection of poultry and other birds characterized by the formation of wart-like nodules on the skin and diphtheritic necrotic masses (cankers) in the upper digestive and respiratory tracts.
] |
|
Fowlpox virus
|
D005587 |
[The type species of the genus AVIPOXVIRUS. It is the etiologic agent of FOWLPOX.
] |
|
Fox-Fordyce Disease
|
D005588 |
[Chronic pruritic disease, usually in women, characterized by small follicular papular eruptions in APOCRINE GLANDS areas. It is caused by obstruction and rupture of intraepidermal apocrine ducts.
] |
|
Foxes
|
D005589 |
[Any of several carnivores in the family CANIDAE, that possess erect ears and long bushy tails and are smaller than WOLVES. They are classified in several genera and found on all continents except Antarctica.
] |
|
Fractals
|
D017709 |
[Patterns (real or mathematical) which look similar at different scales, for example the network of airways in the lung which shows similar branching patterns at progressively higher magnifications. Natural fractals are self-similar across a finite range of scales while mathematical fractals are the same across an infinite range. Many natural, including biological, structures are fractal (or fractal-like). Fractals are related to "chaos" (see NONLINEAR DYNAMICS) in that chaotic processes can produce fractal structures in nature, and appropriate representations of chaotic processes usually reveal self-similarity over time.
] |
|
Fractional Flow Reserve, Myocardial
|
D053805 |
[The ratio of maximum blood flow to the MYOCARDIUM with CORONARY STENOSIS present, to the maximum equivalent blood flow without stenosis. The measurement is commonly used to verify borderline stenosis of CORONARY ARTERIES.
] |
|
Fractional Precipitation
|
D005590 |
[A method which uses specific precipitation reactions to separate or collect substances from a solution.
] |
|
Fractionation, Field Flow
|
D031521 |
[Sedimentation field is either gravitational or centrifugal.
, Separation of molecules and particles by a simultaneous action of carrier liquid flow and focusing field forces (electrical, sedimentation, or thermal), without a stationary phase.
] |
|
Fracture Dislocation
|
D000072039 |
[Fracture of a bone near an articulation with concomitant dislocation of that joint.
] |
|
Fracture Fixation
|
D005592 |
[The use of metallic devices inserted into or through bone to hold a fracture in a set position and alignment while it heals.
] |
|
Fracture Fixation, Internal
|
D005593 |
[The use of internal devices (metal plates, nails, rods, etc.) to hold the position of a fracture in proper alignment.
] |
|
Fracture Fixation, Intramedullary
|
D005594 |
[The use of nails that are inserted into bone cavities in order to keep fractured bones together.
] |
|
Fracture Healing
|
D017102 |
[The physiological restoration of bone tissue and function after a fracture. It includes BONY CALLUS formation and normal replacement of bone tissue.
] |
|
Fractures, Avulsion
|
D000071562 |
[Tearing away of the CORTICAL BONE fragment at the location of a strong ligament or tendon attachment. The bone fragment detachment site often occurs near a soft site (e.g., GROWTH PLATE) at the base where LIGAMENTS; TENDONS; or JOINT CAPSULES attach. In younger patients it is most often caused by a sudden forceful pull on a tendon in the opposite direction of the bone movement. In the elderly it is associated with osteoporotic INSUFFICIENCY FRACTURES.
] |
|
Fractures, Bone
|
D050723 |
[Breaks in bones.
] |
|
Fractures, Cartilage
|
D050724 |
[Breaks in CARTILAGE.
] |
|
Fractures, Closed
|
D005596 |
[Fractures in which the break in bone is not accompanied by an external wound.
] |
|
Fractures, Comminuted
|
D018460 |
[A fracture in which the bone is splintered or crushed into a number of pieces.
] |
