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The stomach is distensible, and can normally expand to hold about one litre of food. [4] The shape of the stomach depends upon the degree of its distension and that of surrounding viscera, e.g. the colon. [3] When empty, the stomach is somewhat J-shaped; when partially distended, it becomes pyriform in shape. In obese persons, it is more ...
Whilst the muscularis externa is similar throughout the entire gastrointestinal tract, an exception is the stomach which has an additional inner oblique muscular layer to aid with grinding and mixing of food. The muscularis externa of the stomach is composed of the inner oblique layer, middle circular layer, and the outer longitudinal layer.
The final branch which is important for the digestive system is the inferior mesenteric artery, which supplies the regions of the digestive tract derived from the hindgut, which includes the distal 1/3 of the transverse colon, descending colon, sigmoid colon, rectum, and the anus above the pectinate line.
To "make one's bones" is an American English idiom meaning to take actions to establish achievement, status, or respect. [1] It is an idiomatic equivalent of "establish[ing] one's bona fides ". [ 2 ]
In mammals, nAchR subunits have been found to be encoded by 17 genes, and of these, nine genes encoding α-subunits and three encoding β-subunits are expressed in the brain. β 2 subunit-containing nAChRs (β 2 nAChRs) and α 7 nAChRs are widely expressed in the brain, whereas other nAChR subunits have more restricted expression. [40]
This is a list of human anatomy mnemonics, categorized and alphabetized.For mnemonics in other medical specialties, see this list of medical mnemonics.Mnemonics serve as a systematic method for remembrance of functionally or systemically related items within regions of larger fields of study, such as those found in the study of specific areas of human anatomy, such as the bones in the hand ...
A 22-year-old influencer hits record for a TikTok video. She starts off her "Day in the Life" vlog with a clip of her flat stomach and protruding hip bone.
The gut-associated lymphoid tissue lies throughout the intestine, covering an area of approximately 260–300 m 2. [5] In order to increase the surface area for absorption, the intestinal mucosa is made up of finger-like projections (), covered by a monolayer of epithelial cells, which separates the GALT from the lumen intestine and its contents.