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Segmentation is the physical characteristic by which the human body is divided into repeating subunits called segments arranged along a longitudinal axis. In humans, the segmentation characteristic observed in the nervous system is of biological and evolutionary significance. [1]
Segmentation in biology is the division of some animal and plant body plans into a linear series of repetitive segments that may or may not be interconnected to each other. This article focuses on the segmentation of animal body plans, specifically using the examples of the taxa Arthropoda , Chordata , and Annelida .
A liver segment is one of eight segments of the liver as described in the widely used Couinaud classification (named after Claude Couinaud) in the anatomy of the liver.This system divides the lobes of the liver into eight segments based on a transverse plane through the bifurcation of the main portal vein, [1] arranged in a clockwise manner starting from the caudate lobe.
Unlike peristalsis, which predominates in the esophagus, segmentation contractions occur in the large intestine and small intestine, while predominating in the latter. While peristalsis involves one-way motion in the caudal direction, segmentation contractions move chyme in both directions, which allows greater mixing with the secretions of the ...
Segmental analysis is a method of anatomical analysis for describing the connective morphology of the human body.Instead of describing anatomy in terms of spatial relativity, as in the anatomical position method, segmental analysis describes anatomy in terms of which organs, tissues, etc. connect to each other, and the characteristics of those connections.
A bronchopulmonary segment is a portion of lung supplied by a specific segmental bronchus and its vessels. [ 1 ] [ 2 ] These arteries branch from the pulmonary and bronchial arteries , and run together through the center of the segment.
"Brain Anatomy and How the Brain Works". Johns Hopkins Medicine. 14 July 2021. "Brain Map". Queensland Health. 12 July 2022. This page was last edited on ...
In crustacean development, a somite is a segment of the hypothetical primitive crustacean body plan. In current crustaceans, several of those somites may be fused. In current crustaceans, several of those somites may be fused.
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