neck of tooth(redirected from cervical margin of tooth)
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.
neck of tooth[TA]
the slightly constricted part of a tooth, between the crown and the root.