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The head (Latin: caput). The head of the epididymis receives spermatozoa via the efferent ducts of the mediastinium of the testis [3] at the superior pole of the testis. [2]: 1296 The head is characterized histologically by a thick epithelium with long stereocilia (described below) and a little smooth muscle. [3]
Anatomically, the pancreas is divided into a head, neck, body, and tail. The pancreas stretches from the inner curvature of the duodenum, where the head surrounds two blood vessels: the superior mesenteric artery and vein. The longest part of the pancreas, the body, stretches across behind the stomach, and the tail of the pancreas ends adjacent ...
Agenesis of dorsal pancreas has to be differentiated with pancreatic fat infiltration, chronic pancreatitis and atrophy of pancreatic body and tail. [4] The absence of pancreatic body and tail is the usual manifestation of dorsal pancreatic agenesis, the density and morphological features of the pancreatic head should be either normal or ...
They differ in size according to their position, those in the middle of the gland being larger and longer. The lobules are conical in shape, the base being directed toward the circumference of the organ, the apex toward the mediastinum testis.
Animation of the migration of spermatozoa from their origin as germ cells to their exit from the vas deferens.A) Blood vessels; B) Head of epididymis; C) Efferent ductules; D) Seminiferous tubules; E) Parietal lamina of tunica vaginalis; F) Visceral lamina of tunica vaginalis; G) Cavity of tunica vaginalis; H) Tunica albuginea; I) Lobule of testis; J) Tail of epididymis; K) Body of epididymis ...
Testis in the place of its original formation; t', together with the dotted lines above, indicates the direction in which the testis and epididymis descend from the abdomen into the scrotum. Skene's glands a.k.a. paraurethral gland: pr. Prostate: u. Uterus. The uterine tube of the right side is marked m. va. Vagina: vh. Ductus aberrans: vs ...
Adult human testicle with epididymis: A. Head of epididymis, B. Body of epididymis, C. Tail of epididymis, and D. Vas deferens. Those aged 15 to 35 are most commonly affected. [2] The acute form usually develops over the course of several days, with pain and swelling frequently in only one testis, which will hang low in the scrotum. [3]
The tubuli seminiferi recti (also known as the tubuli recti, tubulus rectus, or straight seminiferous tubules) are structures in the testicle connecting the convoluted region of the seminiferous tubules to the rete testis, although the tubuli recti have a different appearance distinguishing them from these two structures.