basal tone

basal /ba·sal/ (ba´s'l) pertaining to or situated near a base; in physiology, pertaining to the lowest possible level.

ba·sal (b

l, -z

adj.

1. Of, relating to, located at, or forming a base, usually of an organ or a tooth.

2. Of, relating to, of situated at the lowest level, as of an organ.

basal

[bā′səl]

Etymology: Gk, basis, foundation

pertaining to the fundamental or the basic, as basal anesthesia, which produces the first stage of unconsciousness, and the basal metabolic rate, which indicates the lowest metabolic rate; basal membrane.

basal [ba´sal]

pertaining to or situated near a base; in physiology, pertaining to the lowest possible level.

basal body temperature method a type of natural family planning; see contraception.

basal (baz´

l),

adj 1. describing the minimal functions necessary for life.
adj 2. located at or forming the base of a structure.
n 3. the fundamental structures from which an organism is derived.

basal bone,

n portion of the jawbones that forms the body of the maxilla or mandible.

basal lamina,

n a layer composed of the lamina densa and the lamina lucida. It is an extracellular matrix that lies beneath the epithelium and is believed to inhibit cell migration. The term is usually associated with electron microscopy, whereas the term
basement membrane is usually associated with light microscopy.

basal layer,

n See stratum basale.

basal metabolic rate (BMR)

n a type of basal rate, or energy exchange, determined by means of a clinical test of oxygen consumption in a subject who has had a good night's rest, has fasted for 12 to 14 hours, and has been physically, mentally, and emotionally at rest for 30 minutes; usually indicated as a percentage of the normal calorie production per surface area, the normal values ranging between plus and minus 20%.

basal metabolism,

n See basal metabolic rate.

basal seat,

n the oral tissues and structures that support a denture.

basal seat area,

n See area, basal seat.

basal seat outline,

n an outline on the mucous membrane or on a cast of the entire area that is to be covered by a denture.

basal surface,

n See surface, basal.

basal

pertaining to or situated near a base; in physiology, pertaining to the lowest possible level.

basal body

the structure that acts as a template for the characteristic 9 + 2 arrangement of the microtubules of eukaryotic cilia and flagella.

basal cell tumors

neoplasms of the multipotential cells within the stratum germinativum of the skin. They are common in dogs and cats, are locally expansive and do not metastasize.

basal energy requirements (BER)

see energy requirements.

basal ganglia

a collection of masses of gray matter at the base of the cerebral hemispheres, subthalamus and midbrain which are responsible for much of the organization of the activity of somatic muscles. The individual nuclei are the caudate nucleus, putamen, globus pallidus, endopeduncular nucleus, subthalamic nucleus and the substantia nigra. Other nuclei which have a similar function but are usually not included in the group are the amygdaloid nuclei and the red nucleus.

basal layer

see stratum basale.

basal membrane

the deepest layer of the epidermis in the avian skin. Called also dermoepidermal junction.

basal metabolic rate

see metabolic rate.

basal metabolism

the minimal energy expended for the maintenance of respiration, circulation, peristalsis, muscle tonus, body temperature, glandular activity and the other vegetative functions of the body. See also metabolic rate.

basal metabolism test

a method of measuring the body's expenditure of energy by recording its rate of oxygen intake and consumption. Once a major test of thyroid gland function, it is being replaced by diagnostic tests requiring less extensive preparation and capable of producing more accurate test results, e.g. the determination of the levels of thyroid hormones in the blood and the radioiodine uptake test.

basal nuclei

see basal ganglion.

basal plate

the ventral plate of the developing neural tube of the embryo; associated with motor output from the CNS.

basal tone

degree of contractile tension remaining in blood vessels after complete elimination of all external excitatory influences.

basal

1. In anatomy, denoting a layer or cells farthest away from the surface. Example: the basal cells of the corneal epithelium nearest Bowman's layer. 2. In optics, denoting the surface opposite to the apex of a prism.

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BAO basal body basal bone basal cell carcinoma basal energy expenditure basal ganglia basal lamina basal layer basal membrane basal metabolic rate basal metabolism basal seat basal seat area basal seat outline basilar artery basiloma deep artery of penis denture-bearing area epithelial lamina			12] on depression of basal tone and reversal of high potassium-induced tone; however, a slight but clear shift in the concentration-response curve was observed between the two essential oils when acetylcholine was employed as the contractile agent. Temporal variation of chemical composition and relaxant action of the ... by Madeira, S.V.F.; Rabelo, M.; Soares, P.M.G.; Souza, E.P.; Meireles, A.V.P.; Montenegro, C.; Lima, R. / Phytomedicine: International Journal of Phytotherapy & Phytopharmacology			Basal cell cancer basal cell carcinoma basal cell nevus Basal cell nevus syndrome basal cell papilloma basal energy expenditure basal ganglia basal granule basal joint reflex basal lamina basal layer basal layer of endometrium basal layer of epidermis basal membrane basal metabolic rate basal metabolism basal narcosis basal rod basal seat basal seat area basal seat outline basal skull fracture basal temperature basal temperature chart basal tidal volume basal tone basal vein basal-cell nevus syndrome basalioma basalis Basaljel basaloid carcinoma basaloma bascule base base analog Base Crazies base curve base deficit base excess base gait BASE Jumping base line base note base of gastric gland base of heart base of lung base of prism base of renal pyramid base of skull base of stapes			basal seat area basal seat area basal seat area basal seat outline basal seat outline basal seat outline basal seat outline Basal Skin Potential Level Basal Skin Resistance Basal skull fracture Basal skull fracture Basal Sphincter of Oddi-Pressure basal surface basal surface basal surface basal surface basal surface of denture basal surface of denture basal surface of denture Basal Systemic Delivery Rate basal systolic murmur basal systolic murmur basal systolic murmur basal systolic murmur Basal temperature Basal temperature basal temperature chart Basal Temporal Language Area Basal thyroid-stimulating hormone level basal tidal volume basal tone basal tunnel basal vein basal vein basal vein Basal veins Basal veins basal wall basal water table Basal Zone Trophoblast Basal-cell carcinoma Basal-cell carcinoma Basal-cell carcinoma basal-cell epithelioma basal-cell nevus syndrome Basal-Lateral Membrane Vesicles Basal-nerved Basal-to-Apical basalia Basalioma Basalioma basalis basalis Basalisk Basalisk Basaljel Basaljel Basaljel Basaljel basally basally

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