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1. the constricted part connecting the head with the trunk of the body.
anatomic neck of humerus the constriction of the humerus just below its proximal articular surface.
bladder neck a constricted portion of the urinary bladder where its inferolateral surfaces meet at the opening of the urethra.
neck of femur the heavy column of bone connecting the head of the femur and the shaft.
Madelung's neck diffuse symmetrical lipomas of the neck.
neck of spermatozoon a short portion of the tail of a spermatozoon immediately posterior to the head, aterior to the middle piece. See illustration at spermatozoon.
surgical neck of humerus the constricted part of the humerus just below the tuberosities.
neck of tooth the narrowed part of a tooth between the crown and the root; called also cervix dentis and collum dentis.
uterine neck (neck of uterus) cervix uteri.
webbed neck a thick skin fold on the side of the neck, from the mastoid region to the acromion. Called also pterygium colli.
wry neck torticollis.
a neck that appears to be unusually broad because of bilateral folds of skin extending from the clavicles to the head but containing no muscles, bones, or other structures; occurs in Turner syndrome and Noonan syndrome.
A broad neck with lateral folds of skin extending from the clavicle to the head, as found in Turner syndrome.
webbed neckPterygium colli, Sphinx neck A sphinx-like neck characterized by a thick web or fold of skin that extends from behind the ears to the distal clavicle and to acromial process; WN is typical of Turner gonadal dysgenesis syndrome, but also occurs in fetal hydantoin, Noonan, trisomy 18 syndromes. See Turner syndrome.
web·bed neck(webd nek)
The broad neck due to lateral folds of skin extending from the clavicle to the head but containing no muscles, bones, or other structures; occurs in Turner and Noonan syndromes.