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The epididymis is present in male reptiles, birds, mammals, and cartilaginous fish. [1] The caput epididymidis is fused to the testis in eutherian mammals, but not in marsupials. [13] In reptiles, there is an additional canal between the testis and the head of the epididymis and which receives the various efferent ducts.
Epididymitis is a medical condition characterized by inflammation of the epididymis, a curved structure at the back of the testicle. [1] Onset of pain is typically over a day or two. [ 1 ] The pain may improve with raising the testicle. [ 1 ]
The term epididymal hypertension is derived from the epididymis, a part of the male reproductive system. [8] The term is also applied to females despite the lack of an epididymis in female anatomy. Professor Caroline Pukall, who co-wrote the first in-depth study on EH, has suggested using the term throbbing crotch syndrome. [9]
Testicular torsion is a medical emergency. This is because the longer it takes to access medical intervention with respect to extending ischemia, the higher the chance that the testicle will be lost. There is a 90% chance to save the testicle if de-torsion surgery is performed within six hours of testicular torsion onset. [32]
Epididymis, a part of the extended testes region that stores sperm, the sperm sac. [5] [6] Spermatocele, a deformation of the epididymis, as sacs of fluid and sperm, sperm sacs. [5] [6] Seminal vesicle, a gland for seminal fluid, also called the sperm sac. [7] sperm sac, a blind-end pouch of the seminal vesicle. [8]
Given the treatment implications of testicular torsion, it is important to distinguish testicular torsion from other causes of testicular pain, such as epididymitis, which can present similarly. While both conditions can cause testicular pain, the pain of epididymitis is typically localized to the epididymis at the rear pole of the testicle.
The epididymis is a long whitish mass of tightly coiled tube. The sperm that are produced in the seminiferous tubules flow into the epididymis. During passage via the epididymis, the sperm undergo maturation and are concentrated by the action of ion channels located on the apical membrane of the epididymis. [2]
Spermatocele is a fluid-filled cyst that develops in the epididymis. [3] The fluid is usually a clear or milky white color and may contain sperm. [4] Spermatoceles are typically filled with spermatozoa [5] and they can vary in size from several millimeters to many centimeters.