Definition, Betydelse, Synonymer & Anagram | Engelska ordet TESTIS

Definition av TESTIS

1. (anatomi) testikel

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• In humans, the major endocrine glands are the thyroid, parathyroid, pituitary, pineal, and adrenal glands, and the (male) testis and (female) ovaries.
• Gummas are most commonly found in the liver (gumma hepatis), but can also be found in brain, heart, skin, bone, testis, and other tissues, leading to a variety of potential problems including neurological disorders or heart valve disease.
• The words "testimony" and "testify" both derive from the Latin word testis, referring to the notion of a disinterested third-party witness.
• Risk factors include an undescended testis, family history of the disease, and previous history of testicular cancer.
• Mesothelial tissue also surrounds the male testis (as the tunica vaginalis) and occasionally the spermatic cord (in a patent processus vaginalis).
• The epididymis is invested completely by the tunica vaginalis (which is continuous with the tunica vaginalis covering the testis).
• Cryptorchidism, also known as undescended testis, is the failure of one or both testes to descend into the scrotum.
• A hydrocele testis is an accumulation of clear fluid within the cavum vaginale, the potential space between the layers of the tunica vaginalis of the testicle.
• There are two types: convoluted and straight, convoluted toward the lateral side, and straight as the tubule comes medially to form ducts that will exit the testis.
• The ovary and testis have receptors, follicle cells and leydig cells, respectively, where gonadotropins bind to stimulate the maturation of the gonads and secretion of estrogen and testosterone.
• The SRY-gene on the Y is the testis determining factor, so Dillema may have had infertile testes or ovotestes palpable in her groin.
• One testicle not descending into the scrotum during normal embryonic or fetal development (3–4% of 'normal' live births), also known as undescended testis or cryptorchidism.
• Although trophoblastic components are common components of mixed germ cell tumors, pure choriocarcinoma of the adult testis is rare.
• Rete tubular ectasia, also known as cystic transformation of rete testis is a benign condition, usually found in older men, involving numerous small, tubular cystic structures within the rete testis.
• The rete testis is the network of interconnecting tubules where the straight seminiferous tubules (the terminal part of the seminiferous tubules) empty.
• Sex cord–gonadal stromal tumour is a group of tumours derived from the stromal component of the ovary and testis, which comprises the granulosa, thecal cells and fibrocytes.
• 5α-R1 and 5α-R2 are also expressed, although to different degrees in liver, genital and nongenital skin, prostate, epididymis, seminal vesicle, testis, ovary, uterus, kidney, exocrine pancreas, and the brain.
• GFAP has also been found to be expressed in glomeruli and peritubular fibroblasts taken from rat kidneys, Leydig cells of the testis in both hamsters and humans, human keratinocytes, human osteocytes and chondrocytes and stellate cells of the pancreas and liver in rats.
• Gametogenesis is also the process of formation in male and female gametes that occur in the gonads (ovary and testis).
• A hydrocele testis, the most common form of hydrocele, is the accumulation of fluids around a testicle.

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