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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
A neck stoma is an opening into your throat to help you breathe It also allows your provider to remove fluids and mucus from your respiratory system This type of stoma has different supplies and care needs What does a stoma in your abdomen look like? Your stoma is a roundish opening in your abdomen, about an inch to two inches wide
What Is a Stoma? Types, Care, Complications, and More - MedicineNet
A stoma may be temporary if you only need it while your body heals from surgery or an injury Or, it can be permanent It can take some time to adjust to a stoma Your medical team will teach you how to use your pouch and help you get comfortable using it Here is information you can use to help make the adjustment and understand why you need

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