(n.) The first, or preaxial, digit of the fore limb, corresponding to the hallux in the hind limb; the thumb. In birds, the pollex is the joint which bears the bastard wing.
Example Sentences:
(1) The observation was made that the expressivity of the disease was fading: while there were 15 PPK patients among the 25 investigated members in the generations II and III, there were only 2 patients among 22 members in the generations IV and V. In addition to PPK incontinentia pigmenti was diagnosed in two instances and pollex duplex in one.
(2) In burrows there was noted a change of dominant species: in the period of intensive epizootic of 1972 they were Ct. pollex and C. tesquorum, in 1973 during a slump of epizootic--C. tesquorum and N. setosa and in 1974 when epizootic was not discovered at all--N. setosa.
(3) In such cases, a pollex abductus configuration of the flexor pollicis longus should be sought, and if found, corrected.
(4) Pollex abductus is an anomaly in which the flexor pollicis longus attaches not only at its customary insertion, but also into the extensor by a tendon that passes around the radial aspect of the thumb.
(5) This suggests that current nomenclatures for the three bones of the pollex is appropriate.
Prepollent
Definition:
(a.) Having superior influence or power; prevailing; predominant.
(n.) An extra first digit, or rudiment of a digit, on the preaxial side of the pollex.