chorda


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Related to chorda: Chordata, chorda dorsalis, chords

chorda

 [kor´dah] (pl. chor´dae) (L.)
a cord or sinew. adj., adj chor´dal.
chorda mag´na Achilles tendon.
chor´dae tendi´neae tendinous cords connecting the two atrioventricular valves to the appropriate papillary muscles in the heart ventricles.
Chordae tendineae of the posterior cusps of atrioventricular valves in a cross-section of the heart. From Dorland's, 2000.
chorda tym´pani a nerve originating from the facial nerve, distributed to the submandibular, sublingual, and lingual glands and the anterior two-thirds of the tongue; it is a parasympathetic and special sensory nerve.
chorda umbilica´lis umbilical cord.
chorda voca´lis vocal cord.

chor·da

, pl.

chor·dae

(kōr'dă, -dē), [TA]
A tendinous or a cord-like structure.
See also: cord.
[L., cord]

chorda

/chor·da/ (kor´dah) pl. chor´dae   [L.] a cord or sinew.chor´dal
chorda dorsa´lis  notochord.
chorda mag´na  Achilles tendon.
chor´dae tendi´neae cor´dis  tendinous cords connecting the two atrioventricular valves to the appropriate papillary muscles in the heart ventricles.
chorda tym´pani  a nerve originating from the intermediate nerve, distributed to the submandibular, sublingual, and lingual glands and anterior two thirds of the tongue; it is a parasympathetic and special sensory nerve.

chorda

[kôr′də]
a string filament such as a nerve or tendon.

chor·da

, pl. chordae (kōr'dă, -dē) [TA]
A tendinous or a cordlike structure.
See also: cord
[L., cord]

chor·da

, pl. chordae (kōr'dă, -dē) [TA]
A tendinous or a cordlike structure.
[L., cord]

chorda

pl. chordae [L.] a cord or sinew.

chorda magna
Achilles tendon.
chorda tendineae
tendinous cords connecting the two atrioventricular valves to the appropriate papillary muscles in the heart ventricles.
Enlarge picture
Ruptured chorda tendineae in a horse heart at necropsy. By permission from Knottenbelt DC, Pascoe RR, Diseases and Disorders of the Horse, Saunders, 2003
chorda tendineae rupture
causes acute, massive, cardiac insufficiency leading to congestive heart failure and an early death; called also detachment.
chorda tympani
a nerve originating from the facial nerve, distributed to the submandibular, sublingual and lingual glands and the anterior two-thirds of the tongue; it is a parasympathetic and special sensory nerve.
chorda umbilicalis
umbilical cord.
chorda vocalis
vocal cord.
References in periodicals archive ?
Our findings indicate that cutting the chorda tympani does not result in a significantly increased risk of taste disturbance in patients with diseased ears, lending weight to the theory that the chorda tympani is hypofunctional preoperatively in patients with CSOM.
The parasympathetic division of cranial nerve VII supplies fibers that contribute to the greater petrosal nerve (which supplies the lacrimal gland), the lesser petrosal nerve (which supplies the parotid gland), and the chorda tympani (which supplies the submandibular and sublingual glands).
1,2) However, access through the superior opening of the facial recess is limited by the presence of both the facial nerve and the chorda tympani nerve.
In our case, sacrifice of the chorda tympani nerve or repeated stimulation of the dehiscent bifid facial nerve might have provided the stimuli for viral reactivation.
The bony posterior canal was enlarged with high-speed drill curettage, which allowed for ample visualization of the ossicular chain, round window niche, chorda tympani, facial nerve, and hypotympanum (figure 3,A).
The chorda tympani nerve deserves a great deal of attention.
The chorda tympani nerve was seen leaving the iter chordae posterior and passing between the malleus and incus.
Furthermore, posterior transposition requires severing the chorda tympani and greater superficial petrosal nerves, which results in transient dysgeusia and an ipsilateral dry eye.
On the relation of the chorda dorsalis to the anlage of the pharyngeal bursa or the median pharyngeal recess.
One had cholesteatoma invading the fallopian canal, and the other was found to have a chorda tympani nerve injury at exploration.
2) Scutum lowering during an operation allows the surgeon to see the normal structure of the ossicles and assess the continuity of the ossicular chain and ossicle mobility, but it adds to the length of surgery and is associated with increased morbidity, such as damage to the ossicular chain and the chorda tympani nerve.
The chorda tympani was identified in its usual course, passing over the incus as expected (figure).