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Unus testis, nullus testis (lit. ' one witness, no witness ') is a Latin legal phrase describing a rule of the law of evidence. According to this rule, the uncorroborated testimony of one witness should be discounted because it is deemed to be too unreliable to establish a fact. The English equivalent of the phrase is "one man, no man". [1]
Cryptorchidism, also known as undescended testis, is the failure of one or both testes to descend into the scrotum. The word is from Ancient Greek ...
The lower part persists as the gubernaculum testis ("scrotal ligament"). This ligament secures the testis to the most inferior portion of the scrotum, tethering it in place and limiting the degree to which the testis can move within the scrotum. Cryptorchidism (undescended testes) are observed in INSL3-null male mice.
The most common presentation of testicular cancer is a hard, painless lump which can be felt on one of the testis. It is either noticed by a clinician during a routine examination, or the patient themselves. [17] Risk factors for TC include: Cryptorchidism; Family history; Previous testicular cancer; The diagnosis is confirmed in different ways.
The notorious liar — who was ultimately kicked out of Congress in disgrace — initially appeared shocked when Norton asked which of his former colleagues had the smelliest breath.
Infertility is the most prevalent symptom of Sertoli-cell-only syndrome. Semen examination reveals azoospermia, with sperm density frequently falling to fewer than 1 million sperm per mL.
The undescended testis is at increased risk of testicular torsion. [17] The mechanism for torsion in the undescended testicle is not fully understood, though it may be due to abnormal contractions of the cremaster muscle, which covers the testicle and spermatic cord and is responsible for raising and lowering the testicle to regulate scrotal ...
1: Epididymis 2: Head of epididymis 3: Lobules of epididymis 4: Body of epididymis 5: Tail of epididymis 6: Duct of epididymis 7: Deferent duct (ductus deferens or vas deferens)