- a funnel-shaped organ or part.
- a funnel-shaped extension of the hypothalamus connecting the pituitary gland to the base of the brain.
- a space in the right ventricle at the base of the pulmonary artery.
Origin of infundibulum
Examples from the Web for infundibulum
The infundibulum is broad, as depicted in the accompanying cut.The Horse's Mouth
The floor is prolonged into an infundibulum (in) which contains a prolongation of the third ventricle.
The notochord (ch) is continued forwards in the head to the hinder border of the infundibulum.
Along the sides of the infundibulum run the commissural fibres connecting the floor of the mid-brain with the cerebrum.
The floor of the thalamencephalon projects downwards and backwards as the infundibulum.
- anatomy any funnel-shaped part, esp the stalk connecting the pituitary gland to the base of the brain
Word Origin and History for infundibulum
1799 in the anatomical sense, from Latin infundibulum, literally "a funnel," from infundere "to pour into" (see infuse) + -bulum, suffix forming names of instruments. In some cases a loan-translation into Latin of Greek khoane "funnel." Related: Infundibular.
- A funnel or funnel-shaped structure or passage.
- The infundibulum of the fallopian tube.
- The expanding portion of a calix as it opens into the pelvis of the kidney.
- conus arteriosus
- A termination of a bronchiole in the alveolus.
- Termination of the cochlear canal beneath the cupola.
- The funnel-shaped, unpaired prominence of the base of the hypothalamus behind the optic chiasm, continuous below with the stalk of the pituitary gland.