(n.) The collection or mass of filaments growing from the skin of an animal, and forming a covering for a part of the head or for any part or the whole of the body.
(n.) One the above-mentioned filaments, consisting, in invertebrate animals, of a long, tubular part which is free and flexible, and a bulbous root imbedded in the skin.
(n.) Hair (human or animal) used for various purposes; as, hair for stuffing cushions.
(n.) A slender outgrowth from the chitinous cuticle of insects, spiders, crustaceans, and other invertebrates. Such hairs are totally unlike those of vertebrates in structure, composition, and mode of growth.
(n.) An outgrowth of the epidermis, consisting of one or of several cells, whether pointed, hooked, knobbed, or stellated. Internal hairs occur in the flower stalk of the yellow frog lily (Nuphar).
(n.) A spring device used in a hair-trigger firearm.
(n.) A haircloth.
(n.) Any very small distance, or degree; a hairbreadth.
Example Sentences:
(1) Cook, who has postbox-red hair and a painful-looking piercing in his lower lip, was now on stage in discussion with four fellow YouTubers, all in their early 20s.
(2) The surface of all cells was covered by a fuzzy coat consisting of fine hairs or bristles.
(3) We have isolated a murine cDNA clone, pCAL-F559, for the calcium-binding protein calcyclin by differential screening of a cDNA library made from RNA isolated from hair follicles of 6-d-old mice.
(4) White hair bulbs which demonstrated no TH activity formed 2SCD, but not 5SCD.
(5) Isolated outer hair cells from the organ of Corti of the guinea pig have been shown to change length in response to a mechanical stimulus in the form of a tone burst at a fixed frequency of 200 Hz (Canlon et al., 1988).
(6) We have reported on a simple and secure method of tying up hair during transplantation surgery for alopecia.
(7) Bone age has been analyzed mixed-longitudinally in a subsample of 370 patients (660 observations) and showed a slight retardation at all ages between 6 and 13 yr. Development of pubic hair of 91 subjects analyzed cross-sectionally was definitely retarded when compared to adequate reference data.
(8) Tumors were induced in athymic, T-cell-deficient nude mice and in syngeneic normal haired mice by treatment with low doses of 3-methylcholantrene (MCA).
(9) As I looked further, I saw that there was blood and hair and what looked like brain tissue intermingled with that to the right area of her skull."
(10) A new method of staining the keratin filament matrix allowing a visualization of the filaments in cross section of hair fibres has been developed.
(11) However, in subjects with alopecia there was no such difference and the growth rate of all the hairs showed a continuous distribution.
(12) No infection threads were found to penetrate either root hairs or the nodule cells.
(13) After 7 days, various stages of sensory hair degeneration could be observed.
(14) This review of androgenetic alopecia (AA) in women provides a summary of hair physiology and biochemistry, a general discussion of AA, and a brief description of other types of hair loss in women.
(15) Subungual hair penetration appears to be much less common.
(16) Steep longitudinal and transverse gradients of glycogen are known to exist in the organ of Corti of the guinea pig, with preferential accumulation in the outer hair cells of the apical turns.
(17) Of four normal tissues assessed, two (hair follicles and tissues responsible for development of leg contractures) showed no change in radioresponse after treatment with indomethacin, one (hematopoietic tissue) exhibited radioprotection, and one (jejunum) exhibited slight radiosensitization (enhancement factor, 1.12).
(18) On the other hand, the total number of missing hair cells, irrespective of location, was a good, general indicator of the hearing capacity in a given ear.
(19) The objective was to determine whether the parent axonal impulse train elicited by dual-hair stimulation was due to a temporal combining ("mixing"; Fukami, 1980) of the impulse trains elicited in the parent axons by the same stimulation to each hair alone.
(20) In addition to descriptions of variants of the root appearance for hairs removed from follicles in the three classical growth phases, several other commonly occurring root configurations are described and illustrated with photomicrographs.
Pigtail
Definition:
(n.) The tail of a pig.
(n.) A cue, or queue.
(n.) A kind of twisted chewing tobacco.
Example Sentences:
(1) Perforations of the left atrial or ventricular wall and extravasations of contrast medium during transseptal left heart catheterisation or angiocardiography can be eliminated by replacing the normally used transseptal catheters by Pigtail-catheters.
(2) The configuration of pigtail DSA catheters should reduce or prevent damage to vessel wall due to extravasation.
(3) In our Department we use a simple respiratory equipment consisting of a modified mask elbow and a pigtail bag.
(4) Searching for the evolutionary origins of these polymorphisms, we have sequenced five DRB clones isolated from a cDNA library of a pigtail macaque (Macaca nemestrina) B lymphocyte line.
(5) We have treated ten patients by means of internal drainage by using double pigtail catheters.
(6) Myocardial blood flow was measured by radioactive microspheres (15 micron diam) injected via a pigtail catheter into the left ventricle during light sedation (closed-chest flow measurements); following thoracotomy, a second set of microspheres was injected via a catheter into the left atrium (open-chest flow measurements, n = 5).
(7) Seven long stenoses were treated by continuous stenting, with a double pigtail stent.
(8) We report the successful insertion of polyurethane double-pigtail stents (made for transpapillary endoscopic insertion) by the percutaneous transhepatic route in five patients.
(9) We conclude that in the majority of patients with double pigtail ureteral stents vesicoureteral reflux occurs at a low grade during vesical filling and at a high grade during voiding.
(10) In 21 patients with a long-standing internal ureteral double-pigtail catheter we demonstrated the adverse effect of a full bladder on upper system drainage.
(11) We prospectively studied 60 ischemic patients with 5F catheters (Pigtail and Amplatz) using the percutaneous right brachial artery approach (group I), in order to compare this technique with two groups of 100 patients each randomly studied by the femoral route with either 5F (group II) or 8F (group III) catheters (Pigtail and Judkins).
(12) After confirmation by needle aspiration, one of two methods of percutaneous catheter introduction were used: (1) a modified Seldinger technique for placement of an 8 French pigtail catheter and (2) a trocar catheter technique for placement of a 12 or 16 French catheter.
(13) The signs and symptoms produced by 4 different types of 7F double pigtail catheters, including Cook polyurethane pigtail stent, Surgitek Silitek Uropass, Cook C-Flex and Van-Tec Soft stent, were analyzed prospectively.
(14) Bile-duct diameter had no influence on flow rate in pigtail stents.
(15) A pliable, easy to place, double pigtail, internal ureteral stent made of elastomeric polyurethane is described.
(16) Contrast material injections into the aorta were made through a 4-F multiple side-hole pigtail catheter inserted percutaneously from the brachial artery.
(17) In 16 of 191 patients the initial attempt to place a double-pigtail internal ureteric stent by conventional methods was unsuccessful.
(18) A high flow right angled 5 gauge polyethylene pigtail catheter was used in 24 patients for aorto-femoral angiography via the transbrachial approach.
(19) Percutaneous pigtail drainage of pleura fluid or air is simple, safe, effective, and substantially less traumatic than standard chest-tube placement.
(20) In nine cases we performed endoscopic retrograde pancreatic drainage (ERPD) by inserting 7-Fr pigtail catheters via the papilla into the cyst or into the main pancreatic duct.