coccyx


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to coccyx: Coccyx pain

coccyx

 [kok´siks]
the small bone caudad to the sacrum in humans, formed by the union of four (sometimes five or three) rudimentary vertebrae, and forming the caudal end of the vertebral column.

coc·cyx

, gen.

coc·cy·gis

, pl.

coc·cy·ges

(kok'siks, -si-jis, -si-jēs), [TA] Avoid the mispronunciations kok'iks and kos'iks.
The small bone at the end of the vertebral column in humans, formed by the fusion of four rudimentary vertebrae; it articulates above with the sacrum.
[G. kokkyx, a cuckoo, the coccyx]

coccyx

(kŏk′sĭks)
n. pl. coccyges (kŏk-sī′jēz, kŏk′sĭ-jēz′)
A small triangular bone at the base of the spinal column in humans and other apes, consisting of several fused rudimentary vertebrae. Also called tailbone.

coc·cyx

, pl. coccyges (kok'siks, -si-jēz) [TA]
The small bone at the end of the vertebral column in humans, formed by the fusion of four rudimentary vertebrae; it articulates above with the sacrum.
[G. kokkyx, a cuckoo, the coccyx]

coccyx

The rudimentary tail bone, consisting of four small vertebrae fused together and joined to the curved SACRUM. From the resemblance of the bone to a cuckoo's beak.

coccyx

the fusion of the posterior vertebrae to form a single unit, the coccyx. In humans three to five vertebrae are involved and these form the remnant of a tail.

Coccyx

The last bone of the spinal column, consisting of three to five fused vertebrae that connect with the sacrum, a part of the pelvis.
Mentioned in: Coccyx Injuries
References in periodicals archive ?
The majority of PIs were located on the sacrum, ischium, coccyx, and heel regions.
The patient reported pain relief from the stimulator, but she was experiencing diminished relief from the stimulator over the last several years and also had inadequate coverage in her most painful region, which was the coccyx itself.
The following parameters were noted: presence or absence of intervertebral discs in the sacrum and coccyx; vertebral levels at which the discs were present; maximum and minimum vertical thickness of the intervertebral disc.
This pathology should always be suspected in any process of the lytic sacrum or coccyx, especially in endemic areas of tuberculosis, to prevent or at least reduce the morbidity of this disease, which is generally curable [16].
I couldn't write my column on the desktop because my coccyx could not endure the pain when I sit down.
An enthusiastic supporter of the Injured Jockeys Fund, which paid for his operation after he spent years suffering the effects of a broken coccyx sustained in a fall at Worcester, Cheshire was regularly seen at racecourses across East Anglia selling the charity's calendars, diaries, Christmas cards and other merchandise.
"Anyone know how long it takes for a battered coccyx to heal?
But, beyond that, the prospect of tuning in for another episode seems about as appealing as mistiming a double somersaulted inversion dismount and suffering a parallel bar up your coccyx.
Partridge Partridge But, beyond that, the prospect of tuning in for another episode seems about as appealing as mistiming a double somersaulted inversion dismount and suffering a parallel bar up your coccyx.
Since teratomas arise from embryonic totipotent cells that theoretically arise from Henson's node and migrate caudally to rest in the coccyx, many advocate for coccygectomy when a sacrococcygeal teratoma is diagnosed, whether at birth or in an adult [6,7,9,14,15].
Mills will be without Liam Hatch for between six and eight weeks after he broke his coccyx in the weekend FA Cup first-round draw at League Two Oxford United.
GROSS: (Fig: 1) The specimen was a soft tissue mass, along with coccyx measuring 7 X 6 X 4 cm, soft to firm in consistency and well capsulated.