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The bladder (from Old English blædre 'bladder, blister, pimple') is a hollow organ in humans and other vertebrates that stores urine from the kidneys.In placental mammals, urine enters the bladder via the ureters and exits via the urethra during urination.
The deltoid muscle is the muscle [1] forming the rounded contour of the human shoulder.It is also known as the 'common shoulder muscle', particularly in other animals such as the domestic cat.
Tracheomalacia may involve hypotonia of the trachealis muscle. [6]The trachealis muscle may become stiffer during ageing, which makes the whole trachea less elastic. [7]In infants, the insertion of an oesophagogastroduodenoscope into the oesophagus may compress the trachealis muscle, and narrow the trachea. [8]
Biological functions of nitric oxide are roles that nitric oxide plays within biology.. Nitric oxide (nitrogen monoxide) is a molecule and chemical compound with chemical formula of N O.
Muscle is a soft tissue, one of the four basic types of animal tissue.There are three types of muscle tissue in vertebrates: skeletal muscle, cardiac muscle, and smooth muscle.
A muscle cell, also known as a myocyte, is a mature contractile cell in the muscle of an animal. [1] In humans and other vertebrates there are three types: skeletal, smooth, and cardiac (cardiomyocytes). [2]
The linea alba is a white, fibrous band that is made of the bilateral rectus sheaths that join at the anterior midline of the body. These enclose the rectus abdominis muscles (a pair of long, linear muscles, commonly called the “sit-up” muscles) that originate at the pubic crest and pubic symphysis, and extend the length of the body’s trunk.
The myometrium is located between the endometrium (the inner layer of the uterine wall) and the serosa or perimetrium (the outer uterine layer).. The inner one-third of the myometrium (termed the junctional or sub-endometrial layer) appears to be derived from the Müllerian duct, while the outer, more predominant layer of the myometrium appears to originate from non-Müllerian tissue and is ...