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stoma

n. 细孔,口,气孔

细孔,口,气孔

WordNet (r) 3.0 (2006) (WordNet)

stoma
n 1: a minute epidermal pore in a leaf or stem through which
gases and water vapor can pass [synonym: {stoma}, {stomate},
{pore}]
2: a mouth or mouthlike opening (especially one created by
surgery on the surface of the body to create an opening to an
internal organ)

The Collaborative International Dictionary of English v.0.48 (gcide)

Stoma \Sto"ma\, n.; pl. {Stomata}. [NL., fr. Gr. ?, ?, a mouth.]
1. (Anat.) One of the minute apertures between the cells in
many serous membranes.
[1913 Webster]

2. (Bot.)
(a) The minute breathing pores of leaves or other organs
opening into the intercellular spaces, and usually
bordered by two contractile cells.
(b) The line of dehiscence of the sporangium of a fern. It
is usually marked by two transversely elongated cells.
See Illust. of {Sporangium}.
[1913 Webster]

3. (Zool.) A stigma. See {Stigma}, n., 6
(a) &
(b) .
[1913 Webster]

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英文字典中文字典相关资料:

Stoma: What it is, Types, Care Living With - Cleveland Clinic
What is a stoma? A stoma is a surgically created opening on the outside of your body that connects to an organ on the inside The operation to create this opening and connection is called an ostomy
What Is a Stoma? Types, Care, Complications, and More
If you need surgery to remove part or all of your large intestine (colon) and rectum or your bladder, you might need a stoma This is a surgical opening in your belly that allows poop or pee to leave your body and collect in a bag or pouch
Stoma (medicine) - Wikipedia
In anatomy, a stoma (pl : stomata ˈstoʊ mə tə or stomas) is any opening in the body For example, a mouth, a nose, and an anus are natural stomata Any hollow organ can be manipulated into an artificial stoma as necessary This includes the esophagus, stomach, duodenum, ileum, colon, pleural cavity, ureters, urinary bladder, and renal
What Is an Ostomy? Types, Surgery Overview Living With an Ostomy | UOAA
What is an ostomy? An ostomy is a surgically created opening in the abdomen that allows stool or urine to leave the body when the usual route is not safe or no longer works The opening is called a stoma and it may be needed because of disease, injury, or other medical conditions
Understanding Stoma and Ostomy Basics
Let’s start with the basics: The stoma is the mouth-like, visible part of an ostomy A fecal or urinary stoma is composed of mucous membrane or the lining of the intestine that’s exposed to the surface
Stoma: Types, Surgery, Care, Reversal, and Complications
Many people use the terms “ostomy” and “stoma” interchangeably, but they do have slightly different meanings: An ostomy refers to the actual opening in your abdomen A stoma refers to the end
What is a stoma? - Macmillan Cancer Support
What is a stoma (colostomy or ileostomy)? A stoma is an opening that is made through the tummy (abdominal) wall It connects the bowel to the surface of the tummy The stoma is round or oval-shaped, and it looks pink and moist It has no nerve supply, so it does not hurt
What Is A Stoma? - Bladder Bowel Community
A stoma is an opening on the abdomen that can be connected to either your digestive or urinary system to allow waste (urine or faeces) to be diverted out of your body

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