Interpeduncular fossa
Encyclopedia
The Interpeduncular fossa is a somewhat lozenge-shaped area of the base of the brain, limited in front by the optic chiasma, behind by the antero-superior surface of the pons
, antero-laterally by the converging optic tracts, and postero-laterally by the diverging cerebral peduncles.
The structures contained in it, from behind forward, are the posterior perforated substance
, corpora mamillaria, tuber cinereum
, infundibulum
, and hypophysis
.
Pons
The pons is a structure located on the brain stem, named after the Latin word for "bridge" or the 16th-century Italian anatomist and surgeon Costanzo Varolio . It is superior to the medulla oblongata, inferior to the midbrain, and ventral to the cerebellum. In humans and other bipeds this means it...
, antero-laterally by the converging optic tracts, and postero-laterally by the diverging cerebral peduncles.
The structures contained in it, from behind forward, are the posterior perforated substance
Posterior perforated substance
The depressed area between the crura is termed the interpeduncular fossa, and consists of a layer of gray matter, the posterior perforated substance, which is pierced by small apertures for the transmission of blood vessels; its lower part lies on the ventral aspect of the medial portions of the...
, corpora mamillaria, tuber cinereum
Tuber cinereum
The tuber cinereum is a hollow eminence of gray matter situated between the mammillary bodies and the optic chiasm. The tuber cinereum is part of the hypothalamus.-Structure:...
, infundibulum
Infundibulum
An infundibulum is a funnel-shaped cavity or organ.* Lungs: The alveolar sacs of the lungs from which the air chambers open are called infundibula...
, and hypophysis
Hypophysis
Hypophysis may refer to:*Pituitary gland*Hypophysis...
.