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The prostate is both an accessory gland of the male reproductive system and a muscle driven mechanical switch between urination and ejaculation. It is found only in some mammals. It differs between species anatomically, chemically, and physiologically. Anatomically, the prostate is found below the bladder, with the urethra passing through it. It is described in gross anatomy as consisting of lobes, and in microanatomy by zone. It is surrounded by an elastic, fibromuscular capsule and contains glandular tissue as well as connective tissue.
The ureters are tubes made of smooth muscle that propel urine from the kidneys to the urinary bladder. In a human adult, the ureters are usually 20–30 cm (8–12 in) long and around 3–4 mm (0.12–0.16 in) in diameter. The ureter is lined by urothelial cells, a type of transitional epithelium, and has an additional smooth muscle layer in third closest to the bladder that assists with peristalsis.
The medulla oblongata or simply medulla is a long stem-like structure which makes up the lower part of the brainstem. It is anterior and partially inferior to the cerebellum. It is a cone-shaped neuronal mass responsible for autonomic (involuntary) functions, ranging from vomiting to sneezing. The medulla contains the cardiac, respiratory, vomiting and vasomotor centers, and therefore deals with the autonomic functions of breathing, heart rate and blood pressure as well as the sleep wake cycle.
The seminal vesicles, are a pair of two convoluted tubular glands that lie behind the urinary bladder of some male mammals. They secrete fluid that partly composes the semen.
The vas deferens, also called ductus deferens, is part of the male reproductive system of many vertebrates; these ducts transport sperm from the epididymis to the ejaculatory ducts in anticipation of ejaculation. It is a partially coiled tube which exits the abdominal cavity through the inguinal canal.
The umbilical artery is a paired artery that is found in the abdominal and pelvic regions. In the fetus, it extends into the umbilical cord.
The internal pudendal artery is one of the three pudendal arteries that branches off the internal iliac artery. It provides blood to the external genitalia.
Vesicle may refer to:
The middle cerebral artery (MCA) is one of the three major paired arteries that supply blood to the cerebrum. The MCA arises from the internal carotid and continues into the lateral sulcus where it then branches and projects to many parts of the lateral cerebral cortex. It also supplies blood to the anterior temporal lobes and the insular cortices.
The internal iliac artery is the main artery of the pelvis.
The vaginal artery is an artery in females that supplies blood to the vagina and the base of the bladder.
The obturator artery is a branch of the internal iliac artery that passes antero-inferiorly on the lateral wall of the pelvis, to the upper part of the obturator foramen, and, escaping from the pelvic cavity through the obturator canal, it divides into both an anterior and a posterior branch.
The middle rectal artery is an artery in the pelvis that supplies blood to the rectum.
The inferior vesical artery or inferior vesicle artery is an artery in the pelvis that supplies the lower part of the bladder.
The superior vesical artery supplies numerous branches to the upper part of the bladder. This artery often also gives branches to the vas deferens and can provide minor collateral circulation for the testicles.
The inferior hypogastric plexus is a network (plexus) of nerves that supplies the organs of the pelvic cavity. The inferior hypogastric plexus gives rise to the prostatic plexus in males and the uterovaginal plexus in females.
The artery to the ductus deferens is an artery in males that provides blood to the ductus deferens.
The vesical nervous plexus arises from the forepart of the pelvic plexus.
In human anatomy, the dorsal veins of the penis comprise the superficial dorsal vein of the penis and the deep dorsal vein of the penis.
Vesical refers to the urinary bladder and its relevant and nearby structures and functions, including:
References
- 1 2 Gray's anatomy : the anatomical basis of clinical practice. Standring, Susan (41 ed.). [Philadelphia]. 2016. pp. 1279–1280. ISBN 978-0-7020-5230-9. OCLC 920806541.CS1 maint: others (link)
- 1 2 Bilhim, Tiago; Pereira, José António; Fernandes, Lúcia; Tinto, Hugo Rio; Pisco, João M. (October 2014). "Angiographic Anatomy of the Male Pelvic Arteries". American Journal of Roentgenology. 203 (4): W373–W382. doi:10.2214/AJR.13.11687. ISSN 0361-803X. PMID 25247966.