Anatomy Of The Urinary Bladder

It plays two main roles. It conveys urine from the urinary bladder to outside the body.

The Urinary Bladder Is A Muscular Sac Composed Of 3 Layers Of Smooth Muscle Since The Bladder Is Exposed To Urine For Long A Bladder Medical Knowledge Anatomy

Urine is made in the kidneys and travels.

Anatomy of the urinary bladder. The urinary system consists of two kidneys two ureters a urinary bladder and a urethra. ANATOMICAL LOCATION When Empty the adult urinary bladder is located in the Lesser pelvis lying partially superior to and partially postetior to the pubic Bones. When empty the bladder is about the size and shape of a pear.

The urinary bladder is a muscular sac in the pelvis just above and behind the pubic bone. Gross Anatomy of the Bladder Surface Anatomy of the Bladder. The bladders walls relax and expand to store urine and contract and flatten to empty urine through the urethra.

The urethra is the excretory canal of the urinary bladder. It extends from the internal urethral orifice of the bladder to the external urethral orifice of the external genitalia. Urinary bladder is a hollow muscular viscus that acts as a reservoir of urine.

Demonstration of anatomy of the urinary bladder as regard position shape main relations ligaments blood supply nerve supply and lymphatic drainage. Anatomy of the Urinary System. In some individuals a full bladder may ascend to the level of the Umbilicus.

The bladder is an organ of the urinary system. It has a folded internal lining known as rugae which allows it to accommodate up to 400-600ml of urine in healthy adults. The urinary bladder is initially drained by the allantois.

The median umbilical ligament which connects the apex of the bladder to the umbilicus. This article will describe the anatomy of the urinary bladder. The course of urethra is different between males and females.

1135 is a musculomembranous sac which acts as a reservoir for the urine. Body which collects the urine. The urinary bladder usually just called the bladder is a major part of the bodys urinary system.

A remnant of the urachus can be found in adults. The detrusor muscle works with the urinary sphincter to hold in or push out urine from the bladder through the urethra during urination. The bladder has a volume capacity of 400500 ml and is of ovoid shape.

However this is obliterated during fetal development and becomes a fibrous cord the urachus. Urine enters the bladder via the ureters and exits via the urethra. The innermost layer of the bladder is the mucosa layer that lines the hollow lumen.

At the apex the dorsal and ventral wall meets and the urachus starts and runs to the umbilicus. The bladder is a very flexible organ made up of smooth muscle. Histologically the urinary bladder is lined with transitional epithelium and does not produce mucus.

Crisscrossed bands of smooth muscle form the detrusor muscle the primary muscle of the bladder. The bladder can be divided in the corpus with two lateral walls dorsal wall and ventral wall. At the bottom of the bladder the detrusor muscle forms the internal urethral sphincter.

Unlike the mucosa of other hollow organs the urinary bladder is lined with transitional epithelial tissue that is able to stretch significantly to accommodate large volumes of urine. Urinary bladder in most vertebrates except birds organ for the temporary storage of urine from the kidneys connected to the kidneys by means of tubular structures called ureters. How does the bladder store urine.

The typical healthy adult bladder can store up to two cups of urine for two to five hours. Key facts about the urinary bladder. As the bladder fills it enters the Greater Pelvis.

The urinary bladder Fig. The bladder neck. And as its size position and relations vary according to the amount of fluid it contains it is necessary to study it as it appears a when empty and b when distended.

Upon examination specific landmarks are used to describe the location of any irregularities in the bladder. In infants and young childrenthe urinary bladder is in the abdomen even when empty. The bladders job in the urinary system is to store the urine produced by your body until it is released from the body when you urinate.

The kidneys alone perform the functions just described and manufacture urine in the process while the other organs of the urinary system provide temporary storage reservoirs for urine or serve as transportation channels to carry it from one body region to another. Temporary storage of urine the bladder is a hollow organ with distensible walls. The urinary bladder is made of several distinct tissue layers.

1-3 It is a hollow organ that is made mostly out of muscle. The urinary bladder or simply bladder is a hollow muscular organ in humans and other vertebrates that stores urine from the kidneys before disposal by urination. The bladder wall is mainly made up of a special type of smooth muscle called the detrusor which is elastic and allows the bladder to expand and contract.

Fundus base which contains the trigone. In the human the bladder is a hollow distensible organ that sits on the pelvic floor. Trigone which houses the urethra.

The Bladder usually enters the Greater Pelvis by 6 Years of age.

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