- rhomboid fossa
- rhomboid fossa n the floor of the fourth ventricle of the brain formed by the dorsal surfaces of the pons and medulla oblongata
Medical dictionary. 2011.
rhomboid fossa
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Rhomboid fossa — Infobox Brain Name = PAGENAME Latin = f. rhomboidea GraySubject = 187 GrayPage = 798 Caption = Hind brain of a human embryo of three months viewed from behind and partly from left side. (Rhomboid fossa labeled at center.) Caption2 = Rhomboid… … Wikipedia
rhomboid fossa — noun : the floor of the fourth ventricle of the brain … Useful english dictionary
inferior part of rhomboid fossa — the triangular caudal portion of the rhomboid fossa, extending downward from the rostral part of the taeniae with its apex (the calamus scriptorius) being continuous with the wall of the central canal of the medulla oblongata … Medical dictionary
intermediate part of rhomboid fossa — the wide central portion of the rhomboid fossa, between the superior foveae rostrally and the beginning of the taeniae caudally … Medical dictionary
superior part of rhomboid fossa — the triangular rostral portion of the rhomboid fossa, continuous at its apex with the wall of the cerebral aqueduct and terminating at an imaginary line drawn between the superior foveae … Medical dictionary
fossa rhomboidea — [TA] rhomboid fossa: the floor of the fourth ventricle of the brain, made up of the dorsal surfaces of the medulla oblongata and pons. It is divided into superior, intermediate, and inferior parts … Medical dictionary
medial eminence of rhomboid fossa — eminentia medialis fossae rhomboideae … Medical dictionary
fossa — A depression usually more or less longitudinal in shape below the level of the surface of a part. [L. a trench or ditch] acetabular f. [TA] a depressed area in the floor of the acetabulum superior to the … Medical dictionary
Nerve — A bundle of fibers that uses electrical and chemical signals to transmit sensory and motor information from one body part to another. See nervous system. * * * A whitish cordlike structure composed of one or more bundles (fascicles) of myelinated … Medical dictionary
Nucleus — 1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells. * * * 1. In cytology, typically a rounded or oval mass of protoplasm within the cytoplasm of a plant or animal cell; it is surrounded by a… … Medical dictionary
