lor·do·sis

(lôr-dō′sĭs)

n. pl. lor·do·ses (-sēz)

1. An abnormal forward curvature of the spine in the lumbar region.

2. The mating posture displayed by female rodents and certain other mammals, in which the back is arched downward and the hindquarters are raised.

[Greek lordōsis, from lordos, bent backward.]

lor·dot′ic (-dŏt′ĭk) adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Adj.

lordotic - having abnormal sagging of the spine (especially in horses)

dipped, swayback, swaybacked

unfit - not in good physical or mental condition; out of condition; "fat and very unfit"; "certified as unfit for army service"; "drunk and unfit for service"

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References in periodicals archive

The company plans to launch its product line in multiple footprints, lordotic angles and heights in the beginning of the fourth quarter.

4WEB Medical wins FDA 510(k) clearance of CSTS-SA Interbody Fusion Device

[14] examined the effects of ES there on the copulatory behavior of ovariectomized, hormone-primed, sexually receptive females in the presence of sexually active males and conversely found diminished lordotic activity in female hamsters.

The role of septal nuclei in modulation of sexual behavior in young male rats

Food and Drug Administration to provide structural stability in total or partial discectomies; Maxim Surgical's line of spinal interbody spacers, on the other hand, includes the X-Treme Interbody Fusion System, a cervical solution comprised of neutral and lordotic cages in two footprints with varying heights for assorted patient anatomies.

The medtech industry confronted old ghosts in 2018 as it defended itself against a damning documentary and crammed for a series of global regulatory changes

It is designed for up to 8mm of continuous in situ expansion, with up to 30[degree sign] of continuous in situ lordotic adjustment.

SpineEX wins US FDA's clearance for Sagittae lateral lumbar Interbody fusion device

Hegazy et al (2014) [14] have cited the work of Lengsfeld et al (2000) who have stated that a lordotic posture of the lumbar spine should be maintained during sitting, but prolonged sitting and increased lumbar lordosis is generally accepted as a high-risk factor in low back pain.

MORPHOMETRIC STUDY OF LUMBAR VERTEBRAE IN CENTRAL INDIAN POPULATION AND ITS CLINICAL IMPORTANCE

Maternal VIN females had a shorter latency to enter the mating chamber (p = 0.046; [[eta].sub.p.sup.2] = 0.19; Figure 9A), and tended to have greater lordotic intensity than VEH females (p = 0.067; [[eta].sub.p.sup.2] = 0.18; Figure 9B).

Effects of the Endocrine-Disrupting Chemicals, Vinclozolin and Polychlorinated Biphenyls, on Physiological and Sociosexual Phenotypes in F2 Generation Sprague-Dawley Rats

Moreover, it has been indicated that pathologies such as spondylolisthesis, osteoarthritis and disk degeneration lead to alterations on the lumbar lordotic angle (LLA).3

Radiographic analysis of the lumbar and sacral region angles in young Turkish adults

Low back pain changes the curvature degrees of the lumbosacral region.5 Patients with low back pain change their posture to cope with pain.6 Extension - mobilization therapy has been found to be beneficial in the case of acute low back pain.7 On the contrary, chronic low back pain patients especially with spinal stenosis benefit from flexion posture.8 It has been shown that the lumbar lordotic angle decreases in patients with lumbar disc herniation.

Comparison of lumbosacral alignment in Geriatric and Non-Geriatric patients suffering low back pain

(27) Additionally, lordotic posture places more weight on the facets, which are not predominantly weightbearing joints but are sites of nociceptive tissue.

Survey of Musculoskeletal Disorders Among Indian Dancers in Mumbai and Mangalore

Level specificity is made thanks to the angular gradient, as reported in previous studies, and based on the air sac supporting the lordotic curve.

Comparison of the short-term effects of the conventional motorized traction with non-surgical spinal decompression performed with a DRX9000 [TM] device on pain, functionality, depression, and quality of life in patients with low back pain associated with lumbar disc herniation: A single-blind randomized-controlled trial

Since high pelvic incidence requires a pronounced lordotic curve bent into the rod, there is concern that the contouring process can affect the resistance to fatigue.

Importance of the Sagittal Plane in Understanding Adult Spinal Deformities