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Hair follicle: the infundibulum is the cup or funnel in which a hair follicle grows. Infundibulum (heart): The infundibulum of the heart, or conus arteriosus, is the outflow portion of the right ventricle. Lung: The alveolar sacs of the lungs, from which the air chambers (alveoli) open, are also called infundibula.
The pituitary stalk, also known as the infundibular stalk, infundibulum, or Fenderson's funnel, is the connection between the hypothalamus and the posterior pituitary, the posterior lobe of the pituitary gland.
Defects in infundibulum development can result in a heart condition known as tetralogy of Fallot. A tendinous band extends upward from the right atrioventricular fibrous ring and connects the posterior surface of the infundibulum to the aorta. The infundibulum is the entrance from the right ventricle into the pulmonary artery and pulmonary trunk.
Also known as the infundibulum or pituitary stalk, the infundibular stalk bridges the hypothalamic and hypophyseal systems. The median eminence is only occasionally included as part of the posterior pituitary. Other sources specifically exclude it from the pituitary. [5]
Both the left and right outflow tract have their own term. The right outflow tract is called "conus arteriosus" from the outside, and infundibulum from the inside. In the left ventricle the outflow tract is the "aortic vestibule". They both possess smooth walls, and are derived from the embryonic bulbus cordis [3]
The words infundibulum and choana are other words for funnel-shaped cavities (which medical English got from the Latin and Greek words for "funnel", respectively), and the renal pelvis is sometimes called the renal infundibulum.
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In the more posterior region, the suspensory ligament is attached to the upper pole of ovary and infundibulum of fallopian tube via a continuous tissue called the broad ligament. In sum, the suspensory ligament consists of a single connective tissue that has different regional notations, the peritoneum and the broad ligament.