Definition of umbilical in English:


Pronunciation /ʌmˈbɪlɪk(ə)l//ˌʌmbɪˈlʌɪk(ə)l/


  • 1Relating to or affecting the navel or umbilical cord.

    ‘the umbilical artery’
    • ‘Blood then courses down through the descending aorta and comes back to the placenta where it gets oxygenated again by way of two umbilical arteries.’
    • ‘Conversely, neonatal outcomes such as Apgar score, rate of admission to the intensive care unit, seizures, perinatal mortality and low umbilical artery pH values were comparable across groups.’
    • ‘Apgar scores and umbilical artery pH did not differ between groups.’
    • ‘Histologically, the umbilical cord was composed of 2 vessels with a single umbilical artery.’
    • ‘Postterm pregnancy also is an independent risk factor for low umbilical artery pH levels at delivery and low five-minute Apgar scores.’
    • ‘The ischiadic artery was the embryonic important axial artery of the lower limb arising originally from the umbilical artery.’
    • ‘The required sedation to insert the umbilical artery and percutaneous central venous catheters resulted in the infants having a poor respiratory drive initially.’
    • ‘The UVC courses from umbilical vein to left portal vein to ductus venosus to either hepatic vein or IVC and then into right atrium.’
    • ‘It is interesting to note that cord abnormalities such as true knots, nuchal cord, insertional abnormalities, tumors, and single umbilical artery were not seen in our study.’
    • ‘Neonatal morbidity rates were similar except for an abnormal umbilical artery pH that was more common in infants born after delayed pushing.’
    • ‘These include fetal movement assessment, nonstress test, contraction stress test, fetal biophysical profile, modified biophysical profile and umbilical artery Doppler velocimetry.’
    • ‘There were no differences between the two groups with respect to the foetal cardiotocographic test results, amniotic fluid volume estimation and umbilical artery pulsatility indices.’
    • ‘Before the procedure is begun, the correct depth of the umbilical artery catheter insertion should be estimated.’
    • ‘Measurements of arterial blood gases were not made after 14 days of life, as the umbilical artery catheter was removed from all animals.’
    • ‘But there are also natural mechanisms that promptly reduce the blood flow in the umbilical arteries.’
    • ‘On the other hand, the inferior mesenteric may give rise to the middle colic or to an accessory right hepatic, ‘accessory’ renal artery, or a common artery for both umbilical arteries when it arises from its usual position from the aorta.’
    • ‘A single umbilical artery is present in 0.2 to 1 percent of newborns and may be associated with asymptomatic renal anomalies in 7 percent of these infants.’
    • ‘On the lateral film the UAC dips into the pelvis from the umbilicus through one of the paired umbilical arteries and then courses through the internal iliac artery and then into the common iliac artery and aorta.’
    • ‘The device we are developing will allow the neonatologist to monitor blood in a noninvasive manner beyond the period of umbilical artery recording.’
    • ‘The umbilical flow velocity waveform of a normally growing fetus has high-velocity diastolic flow, while in cases of intrauterine growth restriction, the umbilical artery diastolic flow is diminished.’
    1. 1.1 Extremely close; inseparable.
      ‘the umbilical link between commerce and international rugby’
      • ‘Following very bad stockmarkets in recent years, Irish investors are typified by strong aversion to risk and an almost umbilical attachment to capital guarantees.’
      • ‘More and more citizens sensed that the human-nature umbilical link was itself under attack, and that defending it required a radically new way of thinking.’
      • ‘Many of the arguments have a wearily familiar ring, not least Huxley's assertion of the umbilical connection between religion and bloodshed.’
      • ‘Such a ban can cut off the umbilical chord that links a Sudra [member of a low caste] with his own god as happens in the case of Appi.’
      • ‘Their gypsy ancestry seemed to act as an umbilical connection to the ritual songs they sang.’
      • ‘He has never got round to cutting the umbilical link with his home city, here represented by the slurred abbreviation in the title.’
      • ‘Without doubt Rik Rue is connected by umbilical cord to the sonic history of this country.’
      • ‘The talk about an umbilical connection of his films with society led us to the issue of the film society movement.’
      • ‘Speaker after speaker, continued Mokoena-Harvey, nostalgically recounted their umbilical attachment to Kofifi.’
      • ‘It is no mere coincidence that at least one statutory body employs three women with umbilical connections with the group.’
      • ‘Rarely has a football been attached to quicksilver legs with such umbilical certainty; never again will we see such an intoxicating blend of power and guile in his trademark dribbling game.’
      • ‘Timber was felled from the nearby forest, bricks baked using local clay, stone cut from a convenient quarry, sustaining a building culture with an umbilical connection to place.’
      • ‘All I know about 1970s New York City's that it's where I grew up, and you always have an umbilical connection to the time and place of your growing up.’
      • ‘That umbilical link was a sign of subordination, yet at the first sustained objection the government backed off.’
      • ‘A new corporation was created, whose members were to be appointed by the ITC, and the umbilical link with the ITV companies was broken, as the new corporation was empowered to sell its own advertising.’
      • ‘Instead, since the government earlier this year declared a state of emergency, aid agencies like Goal have been providing an umbilical link to people who would otherwise have nothing.’
      • ‘Her almost umbilical connection to songs like ‘The Ram of Derbish Town’ is plain to behold on this requiem to the traditions of agrarian England.’
      • ‘It's an existential travelogue about trying to navigate in mysterious places, despite fear and disorientation, and without a bungee enthusiast's umbilical link to safety.’
      • ‘Fuller's present tense is misleading: she no longer lives in Zimbabwe, or even in Africa, but her book is (among many other things) a love-letter to Africa from a woman who feels an undying, umbilical attachment to it.’
      • ‘Keltek has built umbilical connections with its customers, tuning in to intranets to deliver orders on a daily level.’
      • ‘Amateurism offered an umbilical link between the 50-year-old veteran and the international superstar since both men drank in the same clubhouse.’
    2. 1.2 (of a pipe or cable) connecting someone or something to a source of essential supplies.
      ‘a tractor-mounted unit in the field is fed through an umbilical hose’
      • ‘The umbilical is the cable that connects the mother ship providing power and communications to the ASRV (commonly called the Remora).’
      • ‘The umbilical cable system is required to have good resistance to repetitive bending.’
      • ‘The downside is that if the umbilical connection to the internet is lost, there's no local persistent storage.’
      • ‘Even from this distance and locked into the shipyard and tethered by an umbilical power cable the ship was magnificent, a behemoth that looked like it could take on a fleet and in fact it could take on a small fleet.’
      • ‘Now that they'd disconnected all supply umbilical lines, the showers were on full recycle setting, offering only a hard, thin spray that was greedily sucked back up through the drains in both floor and walls.’
      • ‘A data link between the host ship and the submersible vehicle is via an umbilical cable.’
      • ‘An umbilical cable attaches to the waistcoat through my drysuit, with an external switch on the chest area.’
      • ‘They did haul up metres of thin, orange-coloured fibre optic cabling which, it emerged, was the umbilical connection for the remote control submarine which the Royal Navy sent over the wreck in days following the accident.’
      • ‘A lantern is a hand-held torch which has its batteries enclosed in the main body, while the umbilical has a battery that is separate from the lamp-head but linked by an umbilical electrical wire.’
      • ‘A short umbilical cable rolled out with the rocket which was fired by electrical impulse, breaking the cord.’
      • ‘He also has rather a lot of pretty electronic circuitry which on various occasions we see pulsing under access hatches and which can be plugged into the ship's systems by an umbilical cable for diagnostic purposes.’
      • ‘Next activities include the connection of the umbilical cables between Fregat and the LVA, through which the Venus Express spacecraft is powered and commanded while still on the ground.’
      • ‘On Christmas day, Cassini will jettison the Huygens probe, severing the electronic umbilical link.’
      • ‘Electrical power and data are transmitted via a neutrally-buoyant umbilical cable.’
      • ‘Nexans shall supply Norsk Hydro with two static lengths of umbilical cable.’
      • ‘The process was quickly completed and the two technicians entered the transport's passenger area while the sentry unhooked the umbilical pipe from the camp reservoir.’
      • ‘The Huygens probe, built and managed by the European Space Agency, is bolted to Cassini and fed electrical power through an umbilical cable.’
      • ‘A loadcrew member failed to properly insert the safing pin prior to retracting the missile's umbilical cable.’
      • ‘The spacecraft was ‘tricked’ in to thinking it had left an imaginary ‘launcher’ by the opening of a number of electrical connections in its umbilical cables which simulated the launch vehicle adaptor.’
      • ‘The stimulus lights are mounted in a separate module that connects to the main module via an umbilical cable.’


  • short for umbilical cord
    • ‘The astronauts' job is to connect power, data and fluid umbilicals as well as installing cameras, antenna and releasing launch restraints.’
    • ‘The unit connects to the sub via a 5-foot, multipair umbilical with a 15-pin termination that carries all of the analog signals to the amps.’
    • ‘Instead, it was docked along side, tethered by an umbilical.’
    • ‘The internal pudendal artery may arise in common with the obturator or the umbilical.’
    • ‘The feed only gets notice when we unhook it, and we're not fed the world by our umbilicals, we're pulled further out of it.’
    • ‘The ramp and docking umbilicals that would be available at a habitat weren't there and the hatch opened onto the port side of the hull, high up, so it was a long way down.’
    • ‘Sheared umbilicals have been an ongoing problem area, not only for the command but the entire Air Force.’
    • ‘There were also other areas to the right of the umbilicals, on the right costal margin and the waistline, on both thighs, both knees, both ankles and both hands.’
    • ‘As it unfolds, Schroeder always makes it a focus of the shot, to signify that once again the umbilical between reality and fantasy has been re-opened (and the electrified emotions emanating from both are starting to flow).’
    • ‘In ten minutes, he latched the craft to a waiting umbilical.’
    • ‘There was a pop and a hiss as the boarding tube and umbilicals were retracted, leaving only the docking clamps holding us in place.’
    • ‘Heavy mechanical noises sounded through the pressurized sections of the hull as huge clamps and umbilicals retracted.’
    • ‘The normally obliterated umbilical artery within the urachus forms the median umbilical ligament in the adult.’
    • ‘Ice-diving is like diving on an umbilical with your buddy on a line.’
    • ‘This artery has been well studied and has been found to arise from the umbilical in 94% of cases.’
    • ‘The fourth flight experienced a catastrophic tailfin failure at launch as well as an electrical short in the umbilical.’
    • ‘Disaster struck, and in the terrible conditions we got our umbilicals entangled.’
    • ‘This yoke secures the missile umbilical to the launcher.’
    • ‘If Miki-san had heard two hearts, as I indicated in my last post, she would have refused to have the birth at her clinic, because multiple births often pose complex problems involving low birth weight, tangled umbilicals etc.’
    • ‘Maybe all I ever really wanted was to cut the umbilical.’


Mid 16th century: from French ombilical, or based on Latin umbilicus (see umbilicus).