porta

Other forms: portas

Definitions of porta

1. noun

   an aperture or hole that opens into a bodily cavity
   synonyms: opening, orifice

   types:

   vent

   external opening of urinary or genital system of a lower vertebrate

   blastopore

   the opening into the archenteron

   aortic orifice

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

   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)

   porta hepatis

   opening for major blood vessels to enter and leave the liver

   spiracle

   a breathing orifice

   mouth

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

   os

   a mouth or mouthlike opening

   cervix, cervix uteri, uterine cervix

   necklike opening to the uterus

   fenestra

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

   cardia

   the opening into the stomach and that part of the stomach connected to the esophagus

   introitus

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

   external orifice, urethral orifice

   the orifice through which urine is discharged

   pylorus

   a small circular opening between the stomach and the duodenum

   anus

   the excretory opening at the end of the alimentary canal

   fontanel, fontanelle, soft spot

   any membranous gap between the bones of the cranium in an infant or fetus

   naris

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

   rima

   a narrow elongated opening or fissure between two symmetrical parts

   cytostome

   mouth of a protozoan

   beak, bill, neb, nib, pecker

   horny projecting mouth of a bird

   beak

   beaklike mouth of animals other than birds (e.g., turtles)

   blowhole

   the spiracle of a cetacean located far back on the skull

   stigma

   an external tracheal aperture in a terrestrial arthropod

   mouth, oral cavity, oral fissure, rima oris

   the opening through which food is taken in and vocalizations emerge

   incompetent cervix

   (obstetrics) uterine cervix that becomes dilated before term and without labor often resulting in miscarriage or premature birth

   fenestra of the vestibule, fenestra ovalis, fenestra vestibuli, oval window

   fenestra that has the base of the stapes attached to it

   fenestra cochleae, fenestra of the cochlea, fenestra rotunda, round window

   fenestra leading into the cochlea

   pudendal cleavage, pudendal cleft, pudendal slit, rima pudendi, rima vulvae, urogenital cleft, vulvar slit

   the fissure between the labia majora

   bunghole

   vulgar slang for anus

   imperforate anus

   a congenital defect of the anus; there is partial or complete obstruction of the anal opening

   anterior fontanelle

   corresponds to the bregma when bones have ossified

   sphenoid fontanel, sphenoid fontanelle, sphenoidal fontanel, sphenoidal fontanelle

   the irregularly shaped area on either side of the cranium where the frontal bone and the anterior tip of the parietal bone and the temporal bone and the greater wing of the sphenoid bone meet; corresponds to the pterion when bones have ossified

   anterior naris, nostril

   either one of the two external openings to the nasal cavity in the nose

   posterior naris

   either one of the two posterior openings at the back of the nasal cavity leading to the nasopharynx

   glottis vera, rima glottidis, rima vocalis, true glottis

   the space between the two true vocal folds

   false glottis, glottis spuria, rima respiratoria, rima vestibuli

   the opening between the false vocal folds

   type of:

   passage, passageway

   a path or channel or duct through or along which something may pass