noun
definition
A duct or stream that carries away.
adjective
definition
Carrying away from.
example
An efferent nerve carries impulses from the brain to the body.
definition
Carried outward.
example
Efferent impulses are those conveyed by the motor or efferent nerves from the central nervous organ outwards.
Examples of efferent in a Sentence
The male ducts are either one pair or two pairs, which open by a common and complicated efferent terminal apparatus furnished with a protrusible penis.
By the pulsation of the pericardial vesicle (best observed in the larva) the blood is driven into the glomerulus, from which it issues by efferent vessels which effect a junction with the ventral (sub-intestinal) vessel in the trunk.
These processes are hollow, and receive the venous blood from, and return it again aerated into, the hollow axis, in which an afferent and an efferent blood-vessel may be differentiated.
In the filaments of the gill of Protobranchia and many Filibranchia the tubular cavity is divided by a more or less complete fibrous septum into two channels, for an afferent and efferent blood-current.
Each is an outgrowth of the body-wall at the side of the body, and consists of an axis containing two main vessels, an afferent and efferent, and bearing on either side a series of transverse plates whose blood-sinuses communicate with the vessels of the axis.
The afferent vessel of the' ctenidium receives blood from the vena cava or principal blood-sinus of the body, the efferent vessel opens into the auricle of its own side.
Each auricle forms the terminal enlargement of the efferent vein of the ctenidium of its own side.
This action, at first sight somewhat obscure, is due to the extreme pupillary contraction which removes the mass of the iris from pressing upon the spaces of Fontana, through which the intraocular fluids normally make a very slow escape from the eye into its efferent lymphatics.
Matter, according to him, impresses the afferent nervous system, this the brain, this the efferent nervous system, while consciousness remains a mere spectator.
The oxygenated blood is carried from each gill by an efferent vessel on the external or pallial side of the axis to another longitudinal vessel which leads to the auricle on each side.
Every efferent channel, after entrance in the central nervous system, subdivides; of its subdivisions some pass to efferent channels soon, others pass further and further within the cord and brain before they finally reach channels of outlet.
All the cavities of a side are ultimately in communication with an efferent duct opening on the surface of the body a little above the line of attachment of the gills.
The gonads, as in other Arthropoda, are hollow saccular organs, the cavity communicating with the efferent ducts.
Various accessory structures may be connected with the efferent ducts in both sexes.
One of the two efferent lophophoral vessels, uniting to form f.
The principal blood-channels are two longitudinal vessels which run down the entire length of the body, and are known as the " afferent " vessel (af) and the " efferent " vessel (ef) respectively, from their relation to the tentacles.
One of these branches communicates with the afferent lophophoral vessel, while the other one opens into the crescentic efferent lophophoral vessel (r.v.).
They are said to be developed from the coelomic epithelium which covers the efferent vessel or its caeca.
The driving hydrostatic pressure (head of pressure) is controlled by the afferent and efferent arterioles, and provided by arterial pressure.
Their antibodies pass into the efferent lymph and reach the bloodstream.
They can then pass into the venules and efferent lymphatics along the border between the cortex and the medulla.
A, of Helix; B, of Eolis; a, ova; b, developing spermatozoa; c, common efferent duct.
It is said by Schultz (I I) to develop, in specimens which are regenerating the lophophoral end, from an invagination of the ectoderm; and in this condition is compared by him with Efferent vessel.
Motor nerve-Motor or efferent nerve cells carry impulses from the brain to muscle or organ tissue.
From the bite or other area of penetration, the virus multiplies as it spreads along nerves that travel away from the spinal cord and brain (efferent nerves) and into the salivary glands.
Efferent nerves-Peripheral nerves that carry signals away from the brain and spinal cord.
Each testis communicates by means of an efferent duct with a common collecting duct of its side of the body, which opens on to the exterior by means of a protrusible penis, and to which is sometimes appended a seminal vesicle.
The efferent ducts are ciliated, and there is a patch of cilia at the point where they communicate with the cavity of each testis.
All ultimately emerge as efferent channels.