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Smooth muscle is grouped into two types: single-unit smooth muscle, also known as visceral smooth muscle, and multiunit smooth muscle. Most smooth muscle is of the single-unit type, and is found in the walls of most internal organs (viscera); and lines blood vessels (except large elastic arteries), the urinary tract , and the digestive tract .
Three distinct types of muscle (L to R): Smooth (non-striated) muscle in internal organs, cardiac or heart muscle, and skeletal muscle. There are three distinct types of muscle: skeletal muscle, cardiac or heart muscle, and smooth (non-striated) muscle. Muscles provide strength, balance, posture, movement, and heat for the body to keep warm. [3]
Histologic specimen being placed on the stage of an optical microscope Human lung tissue stained with hematoxylin and eosin as seen under a microscope. Histology, [help 1] also known as microscopic anatomy or microanatomy, [1] is the branch of biology that studies the microscopic anatomy of biological tissues.
Gross anatomy (also called topographical anatomy, regional anatomy, or anthropotomy) is the study of anatomical structures that can be seen by unaided vision. Microscopic anatomy is the study of minute anatomical structures assisted with microscopes, and includes histology (the study of the organization of tissues), and cytology (the study of ...
Gross anatomy (also called topographical anatomy, regional anatomy, or anthropotomy) is the study of anatomical structures that can be seen by the naked eye. [1] Microscopic anatomy is the study of minute anatomical structures assisted with microscopes , which includes histology (the study of the organization of tissues), [ 1 ] and cytology ...
Obliquely striated muscle is intermediate between the other two. The filaments are staggered and this is the type of muscle found in earthworms that can extend slowly or make rapid contractions. [5] In higher animals striated muscles occur in bundles attached to bone to provide movement and are often arranged in antagonistic sets.
The hollow inner part of a body organ (such as the gastrointestinal tract) or tube (such as an artery) is called the lumen. The side of a cell facing the lumen is called the apical surface; the opposite side, facing away from the lumen is the basolateral surface, which faces instead towards the interstitium, and away from the lumen.
reproductive - male (gland) bulbourethral glands: Simple columnar - reproductive - male (gland) seminal vesicle: Pseudostratified columnar - respiratory: oropharynx: Stratified squamous, non-keratinized - respiratory: larynx: Pseudostratified columnar, ciliated: respiratory epithelium: respiratory: larynx - true vocal cords: Stratified squamous ...