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segment

 [seg´ment]
a demarcated portion of a whole. adj., adj segmen´tal.
behavior segment the smallest descriptive unit of a response to a stimulus.
bronchopulmonary s's the smaller subdivisions of the lobe of a lung; each segment is separated from others by a connective tissue septum and supplied by its own branch of the bronchus leading to the particular lobe.
hepatic s's subdivisions of the hepatic lobes based on arterial and biliary supply and venous drainage.
renal s's subdivisions of the kidney that have independent blood supply from branches of the renal artery, including the superior, anterior superior, inferior, anterior inferior, and posterior segments.
uterine segment either of the two portions into which the uterus becomes differentiated early in labor; the upper contractile portion (corpus uteri) becomes thicker as labor approaches, and the lower noncontractile portion (the isthmus) is thin walled and passive in character.

seg·ment

(seg'ment), [TA]
1. A section; a part of an organ or other structure delimited naturally, artificially, or by invagination from the remainder.
See also: metamere. Synonym(s): segmentum [TA]
2. A territory of an organ having independent function, supply, or drainage.
3. To divide and redivide into minute equal parts.
[L. segmentum, fr. seco, to cut]

segment

/seg·ment/ (seg´ment) a demarcated portion of a whole.
anterior segment of eye , anterior segment of eyeball the sclera, conjunctiva, cornea, anterior chamber, iris, and lens.
bronchopulmonary segments  one of the smaller subdivisions of the lobes of the lungs, separated by connective tissue septa and supplied by branches of the respective lobar bronchi.
hepatic segments  subdivisions of the hepatic lobes based on arterial and biliary supply and venous drainage.
posterior segment of eye , posterior segment of eyeball the vitreous, retina, and optic nerve.
renal segments  subdivisions of the kidney that have independent blood supply from branches of the renal artery, including the superior, anterior superior, inferior, anterior inferior, and posterior segments.
spinal segments , segments of spinal cord the regions of the spinal cord to each of which is attached anterior and posterior roots of the 31 pairs of spinal nerves: eight cervical, twelve thoracic, five lumbar, five sacral, and three coccygeal.
Enlarge picture
Segments of the spinal cord (segmenta medullae spinalis), comprising 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 or more coccygeal segments; shown relative to the vertebrae.
ST segment  the interval from the end of ventricular depolarization to the onset of the T wave.
uterine segment  either of the portions into which the uterus differentiates in early labor; the upper contractile portion (corpus uteri) becomes thicker as labor advances, and the lower noncontractile portion (the isthmus) is expanded and thin-walled.

segment

(sĕg′mənt)
n.
Biology A clearly differentiated subdivision of an organism or part, such as a metamere.
tr. & intr.v. (sĕg-mĕnt′) seg·mented, seg·menting, seg·ments
To divide or become divided into segments.

seg′men·tar′y (-mən-tĕr′ē) adj.

segment

[seg′mənt]
Etymology: L, segmentum, piece cut off
a component, part, or part of a structure, such as a lobe of the liver or part of the intestine.

segment

Hepatology
A functional division of the liver, of which there are eight.
 
Vox populi
A part of a larger region, structure or the body.

segment

Vox populi A part of a larger region, structure, body. See Abominal segment, Bronchopulmonary segment, Cervical segment, Competitive segment, Diaphragmatic segment, Posterior segment.

seg·ment

(seg'mĕnt) [TA]
1. A section; a part of an organ or other structure delimited naturally, artificially, or by invagination from the remainder.
Synonym(s): segmentum [TA] .
2. A territory of an organ having independent function, supply, or drainage.
3. To divide and redivide into minute, equal parts.
See also: metamere
[L. segmentum, fr. seco, to cut]

segment

  1. a division formed in the cleavage of an egg.
  2. part of a jointed appendage or of a chromosome.see SEGMENTATION.

segment,

n 1., a section into which something may be divided.
2., a part of a larger structure delineated through arbitrary or naturally occurring boundaries, often corresponding with a spinal segment. Also used to describe single vertebra (i.e., as a “vertebral segment”).

seg·ment

(seg'mĕnt) [TA]
1. A section; part of an organ or other structure delimited naturally, artificially, or by invagination from remainder.
2. Territory of an organ having independent function, supply, or drainage.
3. To divide and redivide into minute equal parts.
[L. segmentum, fr. seco, to cut]

segment,

n a part into which a body naturally separates or is divided, either actually or by an imaginary line.

segment

a demarcated portion of a whole.

bronchopulmonary segment
one of the subdivisions of the lobe of a lung, sometimes separated from others by a connective tissue septum and supplied by its own branch of the bronchus leading to the particular lobe.
hepatic s's
subdivisions of the hepatic lobes based on arterial and biliary supply and venous drainage.
References in periodicals archive ?
The Japanese will not be able to make significant inroads into the pickup segment immediately or even over a few years, for reasons of consumer mentality but also because they do not have a platform or engine to build three-quarter and one-ton pickups, so they are not able to serve that subsegment at all.
The team has already sequenced segments of 500 bases, he says.
The United States Department of Agriculture (USDA) provides considerable data relevant to this market segment.
Certain polyols tend to separate segment phases much more effectively.
For mid-range and value segments using Crescent formers, coatings are being designed that support the high moisture webs transferred to the Yankee dryer.
The geniculate ganglion and the labyrinthine segment of the facial nerve can be reached via both the middle fossa approach and the transmastoid approach.
Comparison of the sequences of the three CCHFV and DUGV M segments showed that the M segment of DUGV is shorter than those of CCHFV.
The fastest-growing segments of the market in terms of revenues will be team collaborative applications, followed by standalone service provider email and real-time conferencing software.
Midtown's Grand Central segment continues to lead the pack as the most active submarket, with 2.
Two-tier disclosure of full segment information for all primary segments.
The study consisted of three parts: the first part involved the development of a set of service attributes and attribute factors (Ting, 1995); the second part involved the identification of different segments based on socio-demographic and injury variables; and the last part involved the identification of perceptions and preferences of the services provided by two major groups of rehabilitation providers and the Hong Kong Workers' Health Center (WHC).
The requirement for material profit and loss statements by industry segments clearly suggest that the IRS will emphasize the profit split method, at least as a check.

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