Pelvis

This high-detail 3D model showcases a deep dissection of the female pelvis, isolated from surrounding regions, with emphasis on visceral, vascular, and ligamentous structures in relation to bony landmarks.Pelvic Organs & Peritoneal Structures- Sigmoid colon descends into the rectum over the pelvic brim, crossing the common and external iliac vessels.- Nearby: Sigmoid and superior rectal arteries, and the descending ureter.- Urinary bladder (collapsed) and uterus are positioned anteriorly in the true pelvis.- The broad ligament is retained, though ovaries, uterine tubes, ovarian and round ligaments are present but indistinct due to age-related atrophy.- Suspensory and round ligaments are detached from the peritoneum to expose surrounding vessels. Arteries & Veins- Internal iliac artery branches are visible bilaterally.- Median sacral artery is seen in the midline between the common iliac arteries.- Left side: Uterine artery only.- Right side: Uterine, superior vesical, and obturator arteries.- Inferior epigastric artery and vein arise from the external iliac vessels, visible near the inferior abdominal wall. Musculoskeletal Features- Right side: Entire femur and thigh muscles removed to expose:- Obturator membrane- Acetabular cartilage- Transverse acetabular ligament- Posterior dissection reveals:- Superior gluteal foramen and artery- Sacrospinous ligament (with sacrotuberous ligament removed)- Inferior rectal artery branches within the ischioanal fossa Nerves & Ligaments- Left sciatic nerve preserved within the greater sciatic foramen- Sacrotuberous ligament retained on the left- Ischioanal fossae on both sides show:- Inferior rectal artery branches- Pelvic diaphragm fibers- External anal sphincter integration with the rectal wall

This 3D model preserves a right male pelvis sectioned just superior to the L5 vertebra and sectioned at the midsagittal plane, with the thigh preserved to near the midshaft of the femur. This specimen compliments our LW 91 female hemipelvic specimen and thigh. The common iliac artery is preserved with several key branches visible, particularly the distribution of the internal iliac within the true pelvis. Several major vessels including the obturator artery and the partially obliterated umbilical artery passes towards the anterior abdominal wall (to form the medial umbilical ligament) and gives off the superior vesicle artery; while the roots of the iliolumbar, superior gluteal, inferior gluteal and internal pudendal artery are visible lateral to the urinary bladder. The ureter descends superficial to these vessels to approach the urinary bladder which is covered with peritoneum in this model. The ductus deferens is exposed from the entry into the space via the deep inguinal ring and passing posteriorly (though sectioned from its normal insertion pathway and resting on the internal iliac artery). Adjacent to the ureter and on the superficial surface of the psoas major muscle is an enlarged iliac lymph node and part of the lymphatic vasculature ascending along the external iliac artery. The majority of the pelvis has been left undissected, allowing for an appreciation of the rectovesicular pouch and the exposed superior rectal artery and vein approaching the preserved portion of rectum. In cross section, the rectum, seminal vesicle and prostate are visible (the section plane preserves parts of both the prostatic urethra and ejaculatory duct).In the anterior thigh the borders and contents of the femoral triangle are well-preserved, with partial coverage by the flap of the anterior abdominal wall. Posteriorly the skin over the gluteal region and the gluteus maximus muscle have been removed as sequential windows to expose the gluteus medius and minimum muscles, the piriformis, the obturator internus with gemelli muscles, and the quadratus femoris muscle. The superior and inferior gluteal arteries are maintained superior and inferior to the piriformis, respectively; with the sciatic nerve exiting inferior to piriformis before passing deep to the retained portion of the gluteus maximus.

This detailed 3D model displays the left half of a female pelvis, sectioned midsagittally, and extending to the proximal mid-thigh.Pelvic Organs & Peritoneum- Visible structures: Urinary bladder, uterus, vagina, and rectum (from anterior to posterior).- The peritoneum is preserved, showing the vesicouterine and rectouterine pouches.- The broad ligament, uterine tube, fimbriae, and left ovary are identifiable near the pelvic brim. Vessels & Nerves- Common and external iliac arteries pass toward the subinguinal space, alongside the common iliac vein and psoas major.- The ureter crosses over these vessels. - The femoral nerve is visible between psoas major and iliacus muscles. Anterior Thigh & Inguinal Region- Superficial fascia removed, exposing thigh structures up to the perineal edge.- Femoral triangle dissected to show:- Femoral artery and vein, with the vein receiving tributaries from the great saphenous, superficial circumflex iliac, external pudendal, and deep pudendal veins.- Femoral nerve lateral to the artery.- Anterior cutaneous nerves and part of the lateral cutaneous nerve over the sartorius muscle. - Inguinal lymph nodes beneath the inguinal ligament. Posterior Gluteal Region- Gluteus maximus removed to reveal deeper gluteal muscles.- Piriformis reflected, exposing:- Sciatic nerve, formed by tibial and common peroneal nerves.- Superior and inferior gluteal arteries. - Posterior cutaneous nerve of the thigh running parallel to the sciatic nerve.- Obturator internus, gemelli, and quadratus femoris muscles exposed.- Internal pudendal artery and pudendal nerve track toward the ischioanal fossa.- Their branches, including the inferior rectal nerve, are visible near the pelvic diaphragm and external anal sphincter.