PORTA

Pronunciation (US): (GB):

Meaning:

An aperture or hole that opens into a bodily cavity

Example:

the orifice into the aorta from the lower left chamber of the heart

Synonyms:

opening; orifice; porta

Classified under:

Nouns denoting body parts

Hypernyms ("porta" is a kind of...):

passage; passageway (a path or channel or duct through or along which something may pass)

Hyponyms (each of the following is a kind of "porta"):

rima (a narrow elongated opening or fissure between two symmetrical parts)

naris (any of the openings to the nasal cavities that allow air to flow through the cavities to the pharynx)

fontanel; fontanelle; soft spot (any membranous gap between the bones of the cranium in an infant or fetus)

anus (the excretory opening at the end of the alimentary canal)

pylorus (a small circular opening between the stomach and the duodenum)

external orifice; urethral orifice (the orifice through which urine is discharged)

introitus (entrance or opening to a hollow organ or tube (especially the vaginal opening))

cardia (the opening into the stomach and that part of the stomach connected to the esophagus)

fenestra (a small opening covered with membrane (especially one in the bone between the middle and inner ear))

cervix; cervix uteri; uterine cervix (necklike opening to the uterus)

os (a mouth or mouthlike opening)

mouth (the externally visible part of the oral cavity on the face and the system of organs surrounding the opening)

spiracle (a breathing orifice)

porta hepatis (opening for major blood vessels to enter and leave the liver)

stoma (a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ))

aortic orifice (the orifice from the lower left chamber of the heart to the aorta)

blastopore (the opening into the archenteron)

vent (external opening of urinary or genital system of a lower vertebrate)