[L. tuberculum, a little swelling]
1. A small rounded elevation or eminence on a bone.
2. A small nodule, esp. a circumscribed solid elevation of the skin or mucous membrane.
3. The characteristic lesion resulting from infection by tubercle bacilli. It consists typically of three parts: a central giant cell, a midzone of epithelioid cells, and a peripheral zone of nonspecific structure.
A tubercle on the lateral edge of the floor of the fourth ventricle.
SYN: SEE: auditory tubercle
A tubercle of the medial side of the distal aspect of the femur to which the tendon of the adductor magnus is attached.
A tubercle, part of the temporal bone, located at the base of the zygomatic arch to which is attached the temporomandibular ligament.
SEE: Acoustic tubercle.
A tubercle on the inferior surface of the clavicle to which the conoid ligament is attached.
A tubercle on the mandibular condyle for the attachment of the lateral ligament of the temporomandibular joint.
SEE: Darwinian tubercle
A tubercle on the anterior border of the acromium to which the deltoid muscle attaches.
A tubercle of variable size on the crown of a tooth representing a thickened area of enamel or an accessory cusp.
A fibrous tubercle that has replaced a previously inflamed area.
The tubercle on either side of the lower jawbone.
The embryonic tubercle that becomes the clitoris or the penis.
SEE: Ghon, Anton
A small tubercle between the lacrimal crest and the frontal process of the maxilla.
SEE: Scalene tubercle
A small tubercle on either side of the midline of the chin.
A small tubercle resembling a millet seed, caused by tuberculosis.
SEE: miliary tuberculosis
SEE: Müller, Johannes P.
A tuburcle at the lateral end of the crest of the pubic bone. The inguinal ligament attaches to it.
A tubercle on the first rib for attachment of the scalenus anterior muscle.
SYN: SEE: Lisfranc tubercle
A rough surface on the scapula above the glenoid cavity to which is attached the long head of the biceps brachii.
tubercle of the upper lip
The tubercle of the upper part of the vermilion border that represents the distal termination of the philtrum of the upper lip.
To view other topics, please log in or purchase a subscription.
Taber’s Cyclopedic Medical Dictionary 24th Edition Online + App from F.A. Davis and Unbound Medicine. Find 75,000 medical and nursing definitions. Download to iPhone, iPad, and Android. Complete Product Information.