porta

Definitions of porta
  1. noun
    an aperture or hole that opens into a bodily cavity
    synonyms: opening, orifice
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    types:
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    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
    asshole, 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
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