Kerckring's ossicle

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• Kerckring (Kerkring) ossicle — see under center …   Medical dictionary

• Kerckring (Kerkring) center (ossicle) folds (valves) — Kerck·ring (Kerkring) center (ossicle), folds (valves) (kerkґring) [Theodorus Kerckring (or Kerkring), German born anatomist in the Netherlands, 1640–1693] see under center and see plicae circulares …   Medical dictionary

• Ossicle — Any small bone, such as the tiny bones within the human ear. * * * A small bone; specifically, one of the bones of the tympanic cavity or middle ear. SYN: ossiculum [TA], bonelet. [L. ossiculum, dim. of os, bone] Andernach ossicles SYN: sutural… …   Medical dictionary

• Kerckring (Kerkring) center — an ossification center sometimes present in the posterior margin of the foramen magnum at about the sixteenth week of fetal life; it unites with the other squamous parts prior to birth. Called also Kerckring ossicle …   Medical dictionary

• Kerckring — Theodor, Dutch anatomist, 1640–1693. See K. center, K. folds, under fold, ossicle, K. valves, under valve …   Medical dictionary

• center — 1. The middle point of a body; loosely, the interior of a body. A c. of any kind, especially an anatomical c.. 2. A group of nerve cells governing a specific function. SYN: centrum [TA]. [L. centrum; G. kentron] active c …   Medical dictionary

• Ossification of occipital bone — Figure 3 : Occipital bone at birth. The planum occipitale [Fig. 3] of the squama of the occipital bone is developed in membrane, and may remain separate throughout life when it constitutes the interparietal bone; the rest of the bone is… …   Wikipedia