• Thumbnail for Sigmoid sinus
    transverse sinuses. The sigmoid sinus is a dural venous sinus situated within the dura mater. The sigmoid sinus receives blood from the transverse sinuses, which...
    2 KB (196 words) - 20:40, 20 November 2024
  • Thumbnail for Dural venous sinuses
    venous sinuses included the superior sagittal sinus, inferior sagittal sinus, transverse sinus, straight sinus, sigmoid sinus and cavernous sinus. These...
    5 KB (477 words) - 06:53, 17 January 2025
  • Thumbnail for Cavernous sinus
    cavernous sinus drains by two larger channels, the superior and inferior petrosal sinuses, ultimately into the internal jugular vein via the sigmoid sinus, also...
    9 KB (1,057 words) - 13:43, 24 May 2025
  • Thumbnail for Transverse sinuses
    bone. They drain from the confluence of sinuses (by the internal occipital protuberance) to the sigmoid sinuses, which ultimately connect to the internal...
    4 KB (480 words) - 22:24, 15 July 2025
  • Thumbnail for Groove for sigmoid sinus
    that, groove for sigmoid sinus continues as groove for transverse sinus. Sigmoid sinus Cancer Web: Sigmoid Sulcus "Groove for sigmoid sinus". http://ect.downstate...
    1 KB (76 words) - 17:34, 25 June 2024
  • Specific uses include: Sigmoid function, a mathematical function Sigmoid colon, part of the large intestine or colon Sigmoid sinus, two structures that...
    588 bytes (112 words) - 10:16, 11 October 2019
  • Thumbnail for Sigmoid colon
    The sigmoid colon (or pelvic colon) is the part of the large intestine that is closest to the rectum and anus. It forms a loop that averages about 35–40...
    5 KB (558 words) - 14:17, 30 July 2025
  • into either the sigmoid sinus, or the jugular bulb. It communicates with the basilar venous plexus anteriorly, and the occipital sinus posteriorly (the...
    2 KB (208 words) - 06:22, 18 July 2025
  • Thumbnail for Jugular foramen
    structures to pass, including the inferior petrosal sinus, three cranial nerves, the sigmoid sinus, and meningeal arteries. The jugular foramen is formed...
    5 KB (451 words) - 01:42, 14 December 2024
  • Thumbnail for Occipital sinus
    sinus commences around the margin of the foramen magnum by several small venous channels (one of which joins the terminal part of the sigmoid sinus)...
    2 KB (198 words) - 10:09, 18 July 2025
  • Thumbnail for Base of skull
    Vestibular aqueduct Chiasmatic groove Middle clinoid process Groove for sigmoid sinus Trigeminal ganglion Middle cranial fossa Anterior cranial fossa Middle...
    3 KB (219 words) - 09:31, 25 February 2025
  • Thumbnail for Posterior cranial fossa
    the sigmoid sinus becomes the internal jugular vein. Note that a superior petrosal sinus enters the junction of the transverse and sigmoid sinuses. Also...
    6 KB (563 words) - 14:57, 31 January 2024
  • Thumbnail for Dural arteriovenous fistula
    Intratentorial From the posterior cavernous sinus, usually draining to the transverse or sigmoid sinuses Vertebral artery (posterior meningeal branch)...
    13 KB (1,298 words) - 10:51, 14 January 2025
  • "sigm-" (e.g. sigmodon, sigmurethra, etc.) Derivative "sigmoid" (e.g. sigmoid sinus, sigmoid colon, sigmoidoscopy, etc.) "the same letter, which the...
    18 KB (2,191 words) - 21:35, 2 July 2025
  • sagittal Straight Confluence of sinuses Lateral Transverse Sigmoid Inferior Occipital Arterial sinuses Carotid sinus Organ-specific spaces Costodiaphragmatic...
    9 KB (1,098 words) - 18:37, 16 July 2025
  • Thumbnail for Large intestine
    rectum. The name sigmoid means S-shaped (see sigmoid; cf. sigmoid sinus). The walls of the sigmoid colon are muscular and contract to increase the pressure...
    48 KB (5,684 words) - 09:35, 31 July 2025
  • Thumbnail for Jugular vein
    formed by the anastomosis of blood from the sigmoid sinus of the dura mater and the inferior petrosal sinus. The internal jugular runs with the common...
    8 KB (798 words) - 05:53, 27 July 2025
  • include venous causes (e.g., high riding or dehiscent jugular bulb, sigmoid sinus diverticulum), arterial causes (e.g., cervical atherosclerosis, potentially...
    85 KB (8,747 words) - 18:36, 19 July 2025
  • Thumbnail for Sigmoid sulcus
    temporal bone presents a deep, curved groove, the sigmoid sulcus, which lodges part of the transverse sinus; in it may be seen the opening of the mastoid...
    1 KB (79 words) - 22:26, 27 December 2023
  • Thumbnail for Mastoid cells
    process to its tip, and be separated from the posterior cranial fossa and sigmoid sinus by a mere slip of bone or not at all. They may extend into the squamous...
    5 KB (545 words) - 06:50, 18 July 2025
  • Thumbnail for Mastoid foramen
    border of the temporal bone. It transmits an emissary vein between the sigmoid sinus and the suboccipital venous plexus, and a small branch of the occipital...
    5 KB (385 words) - 21:46, 26 May 2025
  • Thumbnail for Condylar canal
    venous system including the suboccipital venous plexus, occipital sinus and sigmoid sinus. It is not always present, and can have variations of being a single...
    2 KB (205 words) - 03:00, 21 November 2021
  • Thumbnail for Subdural hematoma
    As intracranial pressure rises, blood is squeezed into the dural venous sinuses, raising the dural venous pressure and resulting in more bleeding from...
    28 KB (3,178 words) - 18:59, 18 July 2025
  • Thumbnail for Outline of human anatomy
    venous sinuses Transverse sinus Confluence of sinuses Marginal sinus Occipital sinus Petrosquamous sinus Sigmoid sinus Superior sagittal sinus Inferior...
    50 KB (4,111 words) - 20:02, 4 April 2025
  • Thumbnail for List of veins of the human body
    venous sinuses Transverse sinus Confluence of sinuses Marginal sinus Occipital sinus Petrosquamous sinus Sigmoid sinus Superior sagittal sinus Inferior...
    5 KB (481 words) - 12:18, 30 October 2023
  • vein is a vein connecting the suboccipital plexus of veins with the sigmoid sinus. It is clinically significant because it is a possible mode of transportation...
    929 bytes (64 words) - 21:23, 20 April 2022
  • Thumbnail for Intracranial hemorrhage
    slower-growing and may involve dural venous sinuses, including the falx cerebri, tentorium cerebelli, or the superior sagittal sinus. Anterior temporal EDH is usually...
    34 KB (3,886 words) - 17:01, 17 July 2025
  • Thumbnail for Inner ear
    through the labyrinthine vein, which empties into the sigmoid sinus or inferior petrosal sinus. Neurons within the ear respond to simple tones, and the...
    21 KB (2,838 words) - 11:03, 21 January 2025
  • Thumbnail for Internal jugular vein
    diameter is 10 mm, but may range between 5 and 35 mm. Inferior petrosal sinus Pharyngeal vein Common facial vein Lingual vein Superior thyroid vein Middle...
    7 KB (862 words) - 12:28, 27 December 2024
  • Thumbnail for Cerebral circulation
    travel laterally and inferiorly in an S-shaped curve that forms the sigmoid sinuses which go on to form the two jugular veins. In the neck, the jugular...
    20 KB (2,149 words) - 16:01, 17 July 2025