noun
definition
A tubular opening or passage in the body.
example
The urinary meatus is the opening of the urethra, situated on the glans penis in males, and in the vulva in females.
Examples of meatus in a Sentence
As a rule the meatus is the narrowest part of the whole canal.
The skin of the penis forms a fold which covers the glans and is known as the prepuce or foreskin; when this is drawn back a median fold, the frenuluni praeputii, is seen running to just below the meatus.
The squamosal enters considerably into the formation of the temporal fossa, and, besides sending the zygomatic process forwards, it sends down behind the meatus auditorius a post-tympanic process which aids to hold in place the otherwise loose tympano-periotic bone.
The tympanic forms a tubular meatus auditorius externus directed outwards and slightly backwards.
No blood was present at the external urethral meatus.
This is the external auditory meatus in medical speak.
The external ear consists of the auricle and the external acoustic meatus or ear canal.
The nasolacrimal duct connects the inferior end of the lacrimal sac to the inferior meatus of the nose.
The middle turbinate has also been partly removed to show a bristle passed from the middle meatus into the antrum.
Routine hematological and biochemical investigations were normal as was an MRI scan of her brain and internal acoustic meatus.
They contribute to the formation of the auditory meatus, and of the right and left carotid canals which accompany the eustachian tubes.
No importance can be attached to the presence of horns as an indication of affinity between Arsinoitherium and the Amblypoda; and there are important differences in the structure of the skulls of the two, notably in the external auditory meatus, the occiput, the premaxill.ae, the palatal foramina and the lower jaw.
Hypospadias is a congenital defect of the penis in which the urinary tract opening, or urethral meatus, is abnormally located away from the tip of the penis.
The air-bladder may be so reduced as to lose its hydrostatic function and become subservient to a sensory organ, its outer exposed surface being connected with the skin by a meatus between the bands of muscle, and conveying the thermobarometrical impressions to the auditory nerves.
The urethral meatus may be located at any point along the penile shaft from just below the tip of the penis to closer to the body and/or near the scrotum.
Hypospadias is diagnosed most often during the initial newborn physical examination and is classified based on where the urethral meatus is located.