- Biology. any globose or knoblike part, as a flower head or the head of a bone.
Origin of capitulum
Examples from the Web for capitulum
The capitulum in the largest specimens was .2 of an inch in length.A Monograph on the Sub-class Cirripedia (Volume 1 of 2)
Dorsolaterally there is an articular surface for the capitulum of the rib.
As is well known, the ribs of the Monotremata have only the central head, the capitulum.
In the Odontocetes the ribs have, some of them, the normal attachment by capitulum and tuberculum.
The tuberculum and capitulum on each of the trunk ribs are separated only by a shallow concavity.
- a racemose inflorescence in the form of a disc of sessile flowers, the youngest at the centre. It occurs in the daisy and related plants
- anatomy zoology a headlike part, esp the enlarged knoblike terminal part of a long bone, antenna, etc
Word Origin and History for capitulum
used in various senses in English; Latin, literally "little head," diminutive of caput "head," also "leader, guide, chief person; summit; capital city; origin, source, spring," figuratively "life, physical life;" in writing "a division, paragraph;" of money, "the principal sum," from PIE *kaput- "head" (see head (n.)).
- A small head or rounded articular extremity of a bone.
- A small knob or head-shaped part, such as a protuberance of a bone or the tip of an insect's antenna.
- An inflorescence consisting of a compact mass of small stalkless flowers, as in the English daisy. The yellow central portion of the capitulum of a daisy consists of disk flowers, while the outer white, petallike structures are actually ray flowers. The capitulum is the characteristic inflorescence of the composite family (Asteraceae) of flowering plants.