What's the difference between span and spay?

Span


Definition:

  • () imp. & p. p. of Spin.
  • (v. t.) The space from the thumb to the end of the little finger when extended; nine inches; eighth of a fathom.
  • (v. t.) Hence, a small space or a brief portion of time.
  • (v. t.) The spread or extent of an arch between its abutments, or of a beam, girder, truss, roof, bridge, or the like, between its supports.
  • (v. t.) A rope having its ends made fast so that a purchase can be hooked to the bight; also, a rope made fast in the center so that both ends can be used.
  • (v. t.) A pair of horses or other animals driven together; usually, such a pair of horses when similar in color, form, and action.
  • (v. t.) To measure by the span of the hand with the fingers extended, or with the fingers encompassing the object; as, to span a space or distance; to span a cylinder.
  • (v. t.) To reach from one side of to the order; to stretch over as an arch.
  • (v. t.) To fetter, as a horse; to hobble.
  • (v. i.) To be matched, as horses.
  • (imp.) of Spin

Example Sentences:

  • (1) In addition, DDT blocked succinate dehydrogenase and the cytochrome b-c span of the electron transport chain, which also secondarily reduced ATP synthesis.
  • (2) The extent of the infectious process was limited, however, because the life span of the cultures was not significantly shortened, the yields of infectious virus per immunofluorescent cell were at all times low, and most infected cells contained only a few well-delineated small masses of antigen, suggestive of an abortive infection.
  • (3) Three overlapping clones, spanning a total of 19 kb of the human SC gene, including 3 kb of the 5' flanking region, were characterized.
  • (4) We have evaluated the life-span of B lymphocytes by measuring the functional reactivity of normal B cells upon transfer into xid mice, which do not respond to anti-mu, fluoresceinated-Ficoll (FL-Ficoll) and 2,4,6-trinitrophenyl aminoethylcarbamylmethyl Ficoll (TNP-Ficoll).
  • (5) Median effect analysis was applied for the evaluation of in vitro effect by the growth inhibition, and the in vivo effect by comparison of the increase of life span (ILS) in a combined group with the sum of ILS's in 2 single agent groups.
  • (6) These data indicate that the development of HCC in HBV-negative alcoholics with cirrhosis occurs in relation to the development of macronodules and loss of liver weight, most likely along with the prolongation of the life span.
  • (7) We then used synthetic peptides spanning the active fragment to identify the primary sequence of the adhesive site as Leu-Arg-Glu (LRE): neurons attach to an immobilized LRE-containing peptide, and soluble LRE blocks attachment of neurons to the s-laminin fragment.
  • (8) After cessation of exposures, HEVal was lost faster than predicted by the normal erythrocyte life span alone.
  • (9) The antibiotic was effective against Gram-positive bacteria, fungi and yeasts, and prolonged the life span of mice bearing Ehrlich ascites carcinoma.
  • (10) The mean red cell life span increased from 13 days before treatment to 21.6 days after 3 mo of carbamylation.
  • (11) Analysis of mRNA life span by using actinomycin D demonstrates that PPET-1 mRNA has a short intracellular half-life of about 15 min and is superinduced by cycloheximide.
  • (12) Respiration-related neurons were classified with respect to the correlation of their activity with the activity of the phrenic nerve: phase-bound inspiratory (I) and expiratory (E) neurones and phase-spanning expiratory-inspiratory and inspiratory-expiratory neurones were discriminated.
  • (13) The cytoplasmic and membrane spanning domains of galactosyltransferase were found to be sufficient to retain all of the hybrid invariant chain in trans Golgi cisternae as judged by indirect immunofluorescence, treatment with brefeldin A and immuno-electron microscopy.
  • (14) Selection limits for scutellar bristles in lines M and M2 were equal to or greater than the most extreme reported in the literature.-The probit span of the canalised 4 bristle class decreased in each selection line as the mean scutellar bristle number increased, and increased again in the relaxed lines as the mean bristle number decreased.
  • (15) The predicted yeast enzyme contains at least four potential membrane-spanning regions and several shorter hydrophobic regions that align exactly with similar sequences in the rat liver protein.
  • (16) cDNA was prepared by reverse transcription of peripheral blood mRNA and amplified by the polymerase chain reaction (PCR) using primers corresponding to sequences 400 bp apart on the cDNA, spanning the last three exons (X, Y, Z) of the beta-Sp gene.
  • (17) The biologically active unit spans about 16 kilobase pairs (kbp) and is composed of seven exons and six introns.
  • (18) The present study extended this effort to a noninstitutionalized life-span sample of males and females in six age groups (fourteen to ninety-four).
  • (19) This altered region spans the normal site of autocatalytic proteolysis that occurs at the same time as (enzymatic) activation of prochymosin at acidic pH.
  • (20) Moreover, no increase in cAMP can be detected over an extended time span.

Spay


Definition:

  • (v. t.) To remove or extirpate the ovaries of, as a sow or a bitch; to castrate (a female animal).
  • (v. t.) The male of the red deer in his third year; a spade.

Example Sentences:

  • (1) The cAMP-dependent protein kinase (ATP:protein phosphotransferase, EC 2.7.1.37), has been studied in the vaginal epithelium, vaginal stroma, endometrium, and whole uterus of spayed mice treated with oestradiol-17 beta, and in the vaginal epithelium and uterus of spayed mice.
  • (2) Sequential P treatment reduced the degree of nuclear staining in the oviduct and endometrium below that found in spayed animals; however, such treatment only lowered the amount of cytosolic, not nuclear, ER significantly below spayed levels in those same tissues.
  • (3) Therefore, the effect of E on GH in spayed monkeys cannot be accounted for by a direct action on somatotrophs.
  • (4) Its concentration was maximal at proestrus and after administering 2-20 microgram of estradiol to spayed rats.
  • (5) The mean age of dogs with urinary bladder neoplasia was 9.5 years; 6 were males, 13 were females, and 2 were spayed females.
  • (6) Staphylococcus aureus and Streptococcus canis were the most frequently isolated bacteria in specimens collected from the vagina (in the area of the urethral orifice) of 20 normal intact bitches and 20 spayed bitches.
  • (7) However, when calculated on the basis of the DNA content of the myometrium, which was 8 times higher in the spayed than in the pregnant animals, the specific activities were lower in the tissue from spayed animals.
  • (8) Scedosporium inflatum Malloch et Salkin was found to cause osteomyelitis in a 6-year-old spayed female beagle.
  • (9) Mating during a period of 40 min at the beginning of hormonally induced estrus in spayed female rats resulted in a rapid decrease in receptivity as measured hourly by the lordosis response.
  • (10) Cerebral phaeohyphomycosis was diagnosed in a 9-year-old spayed dog that had a series of epileptic convulsions a day before death.
  • (11) Spayed animals were given progesterone for 4 days and then an injection of BCG serum or vaccine in 1 uterine horn.
  • (12) If the spayed beagle dam can be considered a model in which one may equivalate bone changes occurring in the ovarian hormone-deficient human female, we reach the following conclusions: The presence or absence of quasi-physiological levels of single ovarian hormones do affect the status of trabecular bone.
  • (13) Resorptive and formative characteristics on the periosteal and corticoendosteal bone envelopes were assessed on the ribs of intact, spayed and medroxyprogesterone acetate (MPA)-supplemented Beagle dams.
  • (14) A 5-y-old spayed female Corgi dog was dipped with a d-limonene-based compound for flea infestation.
  • (15) A correspondence between the appearance of vaginal smears and the layers of the epithelium from which the cells had desquamated was established in untreated rats during the estrous cycle, in control ovariectomized rats and in spayed rats injected with either estrogen or progesterone.
  • (16) Thirteen adult cycling female cynomolgus monkeys were ovariectomized and treated for 28 days with 1) an empty Silastic capsule (Spay), 2) a 2-cm E-filled capsule (E), or 3) a 2-cm E-filled capsule for 14 days plus a 6-cm P-filled capsule implanted for an additional 14 days (E + P).
  • (17) A 6-year-old, obese, spayed female Doberman pinscher dog was presented for clinical examination with a 1-day history of repeated seizures and a long-term history of periodic bouts of ataxia, circling, and head tilt.
  • (18) Treatment of carcinomas in spayed (hormone-independent), nonspayed (hormone-dependent) rats, and of tumors which were refractory to treatment with estradiol dipropionate caused regression of the tumors.
  • (19) The report cites the results of three experiments designed to determine the effect of estrogen treatment on spayed and entire ewes.
  • (20) When small amounts of this compound were applied to the vulvas of anestrous or spayed females, males placed with these females became sexually aroused and attempted to mount them.