What's the difference between eyeball and retina?

Eyeball


Definition:

  • (n.) The ball or globe of the eye.

Example Sentences:

  • (1) The weight and size of the eyeballs were almost the same as those in normal NC pups.
  • (2) You can also blast individual eyeballs from their sockets, or – if you're particularly skilful – make their testicles explode like a pair of microwaved eggs.
  • (3) I think the heart of good comedy really lives in truth and reacting to the absurdities, hypocrisies, abuses of power in the world.” Late night television is a no longer a glass of warm milk before bed, it’s a lunch buffet And as TV viewership declines and internet virality becomes as important as real-time eyeballs, cable networks might find that topical comedy is a smart, cost-effective way to grab cross-platform attention.
  • (4) It is emphasized that eyeball deformation can be used as an independent tool in transmitter studies of the retina.
  • (5) The optic nerve of 2 adult male Macaca fuscata was exposed and lysophosphatidylcholine dissolved in saline at 2% was slowly injected into the nerve at about 5 mm posteriorly from the eyeball.
  • (6) This larger operation appears justified in selected cases by the reduced risks to an already compromised eyeball or optic nerve.
  • (7) Absorbable polydioxanone (PDS; Ethicon) threads were used for cerclage of the eyeball.
  • (8) Bovine eyeballs were immersed in fluids including sea water for variable intervals of time, and magnesium concentrations and those of other electrolytes were determined in the aqueous and vitreous humor.
  • (9) Authors have presented treatment results of severe eye injuries with double perforation of the anterior and posterior wall of the eyeball.
  • (10) The Wildervanck syndrome consists of the Klippel-Feil deformity of the spine, eyeball retraction, lateral gaze weakness, and hearing loss.
  • (11) In this strain of rat, the eyeball is reduced to about one-third in diameter, and there is no optic nerve.
  • (12) I lifted my patient's eyelid to check she was dead – and her eyeball came out Read more After some deft manoeuvring with the forceps and a prophylactic course of antibiotics, the offending item was deposited in the medical waste bin.
  • (13) A 6-year old girl, the 3rd case, developed episodes of opisthotonous, upward rolling of the eyeballs, protrusions of the tongue, intermittent writhing movements of the upper limbs, and drowsiness following the ingestion of 6 tablets of chloroquine sulfate for suspected diagnosis of malaria.
  • (14) Squeaky-clean Leona Lewis has covered Trent Reznor's hara-kiri-themed treatise Hurt, Beyoncé pre-empted Ke$ha on last year's Rather Die Young, and the Lynchian pretend-we're-dead poise of Lana "Born To Die" Del Rey couldn't be more cadaver chic if she started shaking with rigor mortis, maggots spilling from her eyeballs.
  • (15) Chronic trophic uveitis was encountered in some patients after the operation, which led to subatrophy of the eyeball.
  • (16) Specific antigens were detected in the lens of the eyeball by immunofluorescence test with sera from mice in which ophthalmitis had been induced and the antigens were lenticular proteins with molecular weights (MW) of 15,000 (15K) to 25K, and 45K.
  • (17) The effect of eyeball pressure on the heart rate was measured in 65 babies and was found to cause a brisk drop in heart rate in 32 babies.
  • (18) In nine cases of severe injury in the anterior segment with little light perception, reconstructive keratoplasty was performed to keep the eyeballs successfully in seven cases, among whom five cases obtained transparent grafts.
  • (19) For comparison, the responses of retinal ganglion cells to eyeball deformation in a hydrostatically open system and to a sudden increase in the intraocular pressure (closed system) are described.
  • (20) The degree of redox processes and oxygen tension in the tissues was studied by the polarographic technique, the character of microcirculatory processes with the aid of biomicroscopy of the eyeball conjunctiva, the intensity of immunologic shifts by means of precipitation with polyethylene glycol at different dilutions.

Retina


Definition:

  • (n.) The delicate membrane by which the back part of the globe of the eye is lined, and in which the fibers of the optic nerve terminate. See Eye.

Example Sentences:

  • (1) The distribution of gelsolin, a calcium-dependent actin-severing and capping protein, in the retina of the developing and adult rabbit was studied.
  • (2) At day 7 MD occupy about 14% area of posterior retina in transverse sections in Campbell rats versus 7% in normal animals.
  • (3) Chromatolysis and swelling of the cell bodies of cut axons are more prolonged than after optic nerve section and resolve in more central regions of retina first.
  • (4) Reverse transcription of retina mRNA followed by DNA amplification using D4-specific nucleotides demonstrates the presence of D4 mRNA in retina.
  • (5) Electroretinographic (ERG), morphometric and biochemical studies on retinas from monkeys or rats reveal that moderate level developmental lead (Pb) exposure produces long-term selective rod deficits and degeneration.
  • (6) Cultured cells from fourth to ninth passage showed positive labelling for S 100 protein, carbonic anydrase (CAA), glutamine synthetase (GS), alpha cristallin (alpha C) and polyclonal glial fibrillary acidic protein (GFAP) antibody, but were negative for both monoclonal GFAP antibody and also for Muller cells in the retina.
  • (7) This study examines the morphology of sporadic congenital microphthalmia in 1-day-old chicks, with particular emphasis on the neural retina.
  • (8) We based our approach on the anteroposterior location of the incarceration site and the amount of retina incarcerated into the wound.
  • (9) The posterior retina remained uninvolved, and no further treatment was needed.
  • (10) On histopathologic examination there were microabscesses in the inner choroid and subretinal space, disrupting the outer retina but sparing the inner retina.
  • (11) Although the Ca2+-independent mechanism accounts for about two thirds of the total acetylcholine release in the dark, the amount of acetylcholine released in this way is small compared with the release of acetylcholine triggered by stimulation of the retina with light.
  • (12) These results are consistent with the idea that RPE pigment dispersion is triggered by a substance that diffuses from the retina at light onset.
  • (13) A specific vitamin A-dependent fluorophore was isolated from these retinas using thin-layer chromatography (TLC).
  • (14) Premature infants possessed 35-50% higher levels of retinal vitamin C than those found in mature retinas.
  • (15) The relationship of these observations to the genesis of positional markers in the regenerating retina is discussed.
  • (16) One may speculate whether clinical conditions exist--apart from hereditary retinal dystrophies--in which the retina becomes more sensitive to light from strong artificial or natural sources, which are otherwise innoxious.
  • (17) We also used an optical device to stabilize images of the real world upon the retina.
  • (18) The three-dimensional view obtained with scanning electron microscopy provides another perspective on the pathogenetic changes of the RCS retina.
  • (19) Although the chicks were behaviorally and electrophysiologically blind at the time of hatching, their retinas appeared morphologically comparable to normal chicks at this stage.
  • (20) These observations suggest that IDDM patients have reduced fibrinolytic activity in their retinas, which might predispose them to thromboembolic disease.