Search Results for: orifice
External urethral orifice
Definition noun The meatus of the urethra where urine is excreted in both males and females, and where semen is ejected in... Read More
Vaginal orifice
vaginal orifice The narrowest portion of the canal, in the floor of the vestibule posterior to the urethral... Read More
External os
Definition noun A small, somewhat circular aperture on the extremity of the extocervix Supplement At the lower part of the... Read More
Internal os
Definition noun The part of the cervical canal, forming an internal narrowing of the uterine cavity Supplement The cervix... Read More
Descensus uteri
Descensus uteri --> prolapse of the uterus Downward movement of the uterus due to laxity and atony of the muscular and... Read More
Enterobius vermicularis
Definition noun Human pinworm that inhabits the rectum of its host Supplement Enterobius vermicularis (formerly Oxyurias... Read More
Thyropharyngeus
Definition noun (anatomy) The superior muscle arising from the thyroid cartilage, and, together with cricopharyngeus,... Read More
External urethral sphincter
Definition noun The urethral sphincter associated with the discharge of urine in both males and females, and where semen is... Read More
Spermatogenesis
Spermatogenesis Definition Spermatogenesis is the biological process of producing sperm cells. It occurs in the male gonad... Read More
Glans penis
Definition noun, plural: glans penises (anatomy) The conical expansion of the corpus spongiosum that forms the head of the... Read More
Interureteric fold
Interureteric fold a fold of mucous membrane extending from the orifice of the ureter of one side to that of the other... Read More