What's the difference between reciprocate and retrospective?

Reciprocate


Definition:

  • (v. i.) To move forward and backward alternately; to recur in vicissitude; to act interchangeably; to alternate.
  • (v. t.) To give and return mutually; to make return for; to give in return; to interchange; to alternate; as, to reciprocate favors.

Example Sentences:

  • (1) In this review, we demonstrate that serum creatinine does not provide an adequate estimate of glomerular filtration rate (GFR), and contrary to recent teachings, that the slope of the reciprocal of serum creatinine vs time does not permit an accurate assessment of the rate of progression of renal disease.
  • (2) In crosses between inverted repeats, a single intrachromatid reciprocal exchange leads to inversion of the sequence between the crossover sites and recovery of both genes involved in the event.
  • (3) A reciprocal translocation, identified as t(6p+; 14q-), is described in a 38,XX intersex pig.
  • (4) From the results presented it appears that morphine produces a reciprocal change in the activity evoked in extensor and flexor reflex pathways.
  • (5) Don't we by chance come across this reciprocal spiral perspective when two people distrust one another without actually showing it?
  • (6) Reciprocal translocations involving the short arm of acrocentric chromosomes can segregate to produce partial duplications without associated deletions.
  • (7) In a second phase of the study, a comparison was made between mortality rates of male and female progeny of White Leghorn-Rhode Island Red reciprocal crosses.
  • (8) Finally, a reciprocal facilitating effect of RRs and augmenting responses (ARs), which was studied by combined stimulation of nucleus ventralis posterolateralis (VPL) and NCM, appeared to be dependent upon an intracortical mechanism.
  • (9) Three triacetinases (A, B and C) were shown to undergo reciprocal conversions under storage and during some purification procedures (effect of pH, ionic strength, ion-exchange chromatography, concentration, lyophilization, etc.).
  • (10) For this purpose the molecular models of Monod-Wyman-Changeux (MWC) and of Koshland-Nemethy-Filmer (KNF) are tested by showing how the different plots, direct, reciprocal, Scatchard and Hill, vary as do the parameters considered in these models.
  • (11) Some organization schemes concerning locomotor and scratching rhythmicity generators are considered, such as: two half-centres with reciprocal inhibitory connections and tonic excitatory influences on these half-centres: two half-centres with inhibitory-excitatory connections and tonic excitatory influences on one half-centre; ring structures consisting of more than two functional groups of neurons with excitatory and inhibitory connections between them.
  • (12) The factor is encoded by two genes in Saccharomyces cerevisiae, called TIF51A and TIF51B, which are regulated reciprocally by oxygen and by heme.
  • (13) A free T4 index (FTI) can be calculated from the values for T4 and TBG index, because the TBG index is reciprocally related to the serum uptake test (T3-resin).
  • (14) The staining of HRP-immunopositive cell bodies indicates that the pallial regions studied receive afferent projections from the main olfactory bulb and are reciprocally interconnected by intrapallial associative fiber systems.
  • (15) In the following, there will be indicated the approved techniques and methods of suturing the cleft palate and a new method will be discussed related to the reciprocal Z-type plastic operation.
  • (16) The agonist-antagonist pair was observed to generate a net force in two control modalities: proportional activation and reciprocal activation.
  • (17) Failure to mate was a major factor in interspecific crosses and was much more pronounced in crosses between P. polionotus females and P. maniculatus males than in the reciprocal cross.
  • (18) The reciprocal (equivalent) and nonreciprocal (excessive giving or receiving) exchange of services was measured by the frequency of exchange and perception of potential support between the dyad.
  • (19) Since indoleaminergic cells make reciprocal synaptic connections with rod bipolar cell terminals, which are depolarizing in the rabbit retina, we hypothesize that 5-HT2 receptors facilitate the synaptic transmission from the depolarizing rod bipolar cell thus facilitating ON-excitation in the retinal network while 5-HT1A receptors mediate an inhibitory process.
  • (20) By the fourth injection, arachidonic acid had fallen 48% below control and was accompanied by reciprocal increases of more saturated fatty acids including linoleic (18:2), oleic (18:1) and palmitic (16:0) acids.

Retrospective


Definition:

  • (a.) Looking backward; contemplating things past; -- opposed to prospective; as, a retrospective view.
  • (a.) Having reference to what is past; affecting things past; retroactive; as, a retrospective law.

Example Sentences:

  • (1) Thirteen patients with bipolar affective illness who had received lithium therapy for 1-5 years were tested retrospectively for evidence of cortical dysfunction.
  • (2) A total of 104 evaluable patients 20-90 years old treated by direct vision internal urethrotomy a.m. Sachse for urethral strictures reported retrospectively via a questionnaire their sexual potency before and after internal urethrotomy.
  • (3) Because of the small number of patients reported in the world literature and lack of controlled studies, the treatment of small cell carcinoma of the larynx remains controversial; this retrospective analysis suggests that combination chemotherapy plus radiation offers the best chance for cure.
  • (4) The adaptive filter processor was tested for retrospective identification of artifacts in 20 male volunteers who performed the following specific movements between epochs of quiet, supine breathing: raising arms and legs (slowly, quickly, once, and several times), sitting up, breathing deeply and rapidly, and rolling from a supine to a lateral decubitus position.
  • (5) The present retrospective study reports the results of a survey conducted on 130 patients given elective abdominal and urinary surgery together with the cultivation of routine intraperitoneal drainage material.
  • (6) We report a retrospective study of 107 cases of carcinoma of the sigmoid colon and upper rectum treated for primary cure at the University of California at Los Angeles Hospital between 1955 and 1970.
  • (7) For retrospective action to be taken, and an FA charge to follow, the decision of the panel must be unanimous.” The match between the sides ended in acrimony and two City red cards.
  • (8) A retrospective review was undertaken of 127 lower extremity fasciotomies performed for compartment syndrome after acute ischemia and revascularization in 73 patients with vascular trauma and 49 patients with arterial occlusive disease.
  • (9) A retrospective study examined the reactions to the termination of pregnancy for fetal malformation and the follow up services that were available.
  • (10) A retrospective study was done in 86 patients on dialysis in order to evaluate the doses of aluminum hydroxide (OH3 Al) received to achieve a better serum phosphate control.
  • (11) Ultrasonography of 4 cases of intussusception in children with proven lead points were reviewed retrospectively.
  • (12) This information has been collected in Finland retrospectively from waterworks, and will be correlated with the Finnish Cancer Registry data.
  • (13) A retrospective review of 388 patients who presented to the Mayo Clinic for treatment of endometrial carcinoma between 1979 and 1983 was performed and the surgical and pathologic observations were documented.
  • (14) In a retrospective study of 610 patients the role of routine gastroscopy prior to cholecystectomy was investigated.
  • (15) We retrospectively studied the incidence and course of epoxy resin contact dermatitis in 2265 patients in whom contact dermatitis was confirmed by patch testing.
  • (16) This was a retrospective study of 285 patients with coronary heart disease and 393 healthy subjects.
  • (17) Therefore, two-dimensional echocardiographic findings in 22 patients with perivalvular abscess found at surgery or necropsy were compared with those in 24 patients without abscess in a retrospective but blinded study.
  • (18) Patients with femoral neck fractures treated at a department of orthopedic surgery in a university hospital and one retrospective control sample from a department of general surgery in a county hospital.
  • (19) A retrospective study of autopsy-verified fatal pulmonary embolism at a department of infectious diseases was carried out, covering a four-year period (1980-83).
  • (20) A retrospective study was conducted into 136 patients who had received surgical treatment for perforated gastroduodenal ulcers, with the view to establishing postoperative lethality and morbidity (comparing simple suturing with definitive ulcer surgery).