What's the difference between flaccid and rigid?

Flaccid


Definition:

  • (a.) Yielding to pressure for want of firmness and stiffness; soft and weak; limber; lax; drooping; flabby; as, a flaccid muscle; flaccid flesh.

Example Sentences:

  • (1) Ruthenium red (RuR) inhibits Ca2+ uptake and transmitter release in synaptosomes, and produces flaccid paralysis when injected intraperitoneally (IP) and convulsions after intracranial administration.
  • (2) The barostat quantitates muscular wall tone indirectly by measuring its reciprocal, e.g., the volume of air within a flaccid intraluminal bag that is maintained at a constant and preselected pressure, by an electronic feedback mechanism.
  • (3) The protein synthesis rate was lower in the central core than in the periphery of incubated flaccid control muscles.
  • (4) On admission, he was comatose and flaccid with his four extremities.
  • (5) The sodium ionophore monensin induces a suppression of motility, leading to a rapid flaccid paralysis (in approximately 1.5 h at 1 x 10(-7) M, and within a few minutes at higher concentrations).
  • (6) The aim of the article is to show that its indication to reinforce flaccid musculature or to cover muscular defects of the abdominal wall is fully justified even in a time of routine use of plastic nets.
  • (7) We studied the influence of sepsis on muscle protein synthesis and degradation in vivo and in muscles, incubated flaccid or at resting length.
  • (8) The patient developed a confluent maculopapular erythema and large flaccid bullae of trunk, legs, feet and mucous membranes, with fever up to 38 degrees C. Toxic epidermal necrolisis (TEN) was supposed and the diagnosis was confirmed by a skin patch test followed by cutaneous biopsy.
  • (9) We also confirm that a tetanus toxin-derived fragment, the Ibc fragment, which is not transported retrogradely, produces flaccid paralysis.
  • (10) This negative pressure of the anterior mediastinum would result from an absent cardiac mass which was displaced leftward, favoured by an enlarged and flaccid pericardial sac.
  • (11) We analyzed the results of transfers of the iliopsoas or external oblique muscles performed to augment the abductor power of the hips in 149 patients with flaccid paralysis of the hips.
  • (12) The neurological manifestations developed during adolescence with slurred and slow speech with scanning, muscle flaccidity, sings of Trömner and Jacobson, intentional tremor, equilibrium disturbances.
  • (13) Sacral shingles is associated with sensory loss and flaccid detrusor paralysis.
  • (14) The results suggest that a noradrenergic alpha-adrenoceptor system maintains penile flaccidity in the dog.
  • (15) Of the four surviving cases with flaccid paralysis, three had residual weakness in their lower limbs and walked with an abnormal gait 3 years after the acute paralytic attack.
  • (16) An infant presented at birth with symmetrical flaccid paraparesis limited to lower legs and feet, and involving the proximal and distal muscle group.
  • (17) Rats injected with 10(6) 9L gliosarcoma cells showed progressive weight loss, flaccid paralysis, and neurogenic bladder dysfunction and had a median survival of 11 days.
  • (18) Moreover, combined beta-endorphin and haloperidol treatment produced flaccidity in most animals.
  • (19) The stimulator has been working satisfactorily since November 1965.This stimulator could eventually also be used in purely sensory sacral lesions, in well-selected incomplete lower motor neuron lesions, and in flaccid detrusors of the myogenic type.A review of the literature up to the time of this report shows only a few encouraging but incomplete results in humans.
  • (20) Six malnourished children presenting with acute flaccid paralysis caused by hypokalaemia are described.

Rigid


Definition:

  • (a.) Firm; stiff; unyielding; not pliant; not flexible.
  • (a.) Hence, not lax or indulgent; severe; inflexible; strict; as, a rigid father or master; rigid discipline; rigid criticism; a rigid sentence.

Example Sentences:

  • (1) By the 1860s, French designs were using larger front wheels and steel frames, which although lighter were more rigid, leading to its nickname of “boneshaker”.
  • (2) Diphenoxylate-induced hypoxia was the major problem and was associated with slow or fast respirations, hypotonia or rigidity, cardiac arrest, and in 3 cases cerebral edema and death.
  • (3) Pitlike surface structures seen in negatively stained whole cells and thin sections were correlated with periodically spaced perforations of the rigid sacculus.
  • (4) Rigidly fixing the pubic symphysis stiffened the model and resulted in principal stress patterns that did not reflect trabecular density or orientations as well as those of the deformable pubic symphysis model.
  • (5) The fracture can be treated arthroscopically by rigid internal fixation, while at the same time treating possible associated lesions.
  • (6) This study examined the extent to which normal learners identified as cognitively rigid could use alternate strategies when instructed to do so.
  • (7) In some patients stimulation can reduce rigidity and coactivation of muscles immediately or slowly over days or months.
  • (8) Major alleviation of the rigidity and bradykinesia with chronic oral l-dopa therapy was not accompanied by any change in the silent period.
  • (9) At clinically achievable concentrations, the combination of nafcillin plus gentamicin produced enhanced killing against 13 of 14 strains of enterococci and was synergistic (by very rigid criteria) against 10 of 14 strains.
  • (10) Low-temperature NMR studies indicate that 5 is more rigid than tamoxifen; interconversion between enantiomeric conformers is slow on the NMR time scale at -75 degrees C.
  • (11) Global 'abnormality', hunching (rigid arching of back), hindlimb abduction, forepaw myoclonus, stereotyped lateral head movements, backing, and immobility occurred significantly only in drug-treated rats.
  • (12) A study was made of twelve cases with uveitis, glaucoma and hyphema (UGH) caused by rigid intraocular posterior chamber implants.
  • (13) Eight alpha-helices behave as relatively rigid bodies and corner regions are more flexible, showing larger fluctuations.
  • (14) This modification allows for precision of movement, ease of repositioning, and adaptation of rigid skeletal stabilization of mobilized osseous segments in the chin.
  • (15) The pedicle screw systems were always the most rigid.
  • (16) Lactate dehydrogenase (LDH) levels and subunit isozyme patterns in cornea were monitored in 36 albino rabbits wearing thick, rigid, gas-permeable contact lenses for periods of 24 h, 2 and 7 days, and 1 and 3 months.
  • (17) The prevalence of sleep apnea, apnea index, duration of the longest episode of apnea, and penile rigidity were tabulated.
  • (18) During the last 21 months, 12 additional children have been managed with a more stringent protocol combining neck immobilization in a rigid cervical brace for 3 months and restriction of both contact and noncontact sports, together with a major emphasis on patient compliance.
  • (19) In the second placebo controlled experiment 150 mg im testosterone enanthate administration was associated with enhanced rigidity of NPT but with no effect on frequency or circumference change of NPT and no effect on frequency of REM.
  • (20) The whole isolator system included two rigid supply isolators, too.