Is elater in the dictionary?
James Bradley
Score: 4.3/5 (10 votes)
an elastic filament serving to disperse spores.
Is elater a word?
Yes, elater is in the scrabble dictionary.
What is elater in biology?
An elater is a cell (or structure attached to a cell) that is hygroscopic, and therefore will change shape in response to changes in moisture in the environment. Elaters come in a variety of forms, but are always associated with plant spores.
What is elater in Pteridophytes?
Elaters are ribbon-like or tube-like structures that are attached to the spore walls. They are sterile cells. Elaters are hygroscopic (can absorb water) in nature. Their main function is the dispersal of spores as they push the spores out of the plant by absorbing moisture.
What is webbing mean in English?
1 : a strong narrow closely woven fabric designed for bearing weight and used especially for straps or upholstery.
How to get a word added to the dictionary - Ilan Stavans
What does it mean by wobbling?
1a : to move or proceed with an irregular rocking or staggering motion or unsteadily and clumsily from side to side. b : tremble, quaver. 2 : waver, vacillate. transitive verb. : to cause to wobble.
What is the webbing between your toes called?
Webbing of the fingers or toes is called syndactyly. It refers to the connection of 2 or more fingers or toes. Most of the time, the areas are connected only by skin. In rare cases, the bones may fuse together.
What is the Elater function?
Elaters are the ribbon or tube like structures attached to the wall of spore. The elaters function is to increase dispersal because they push the spores out of the plant by absorbing moisture.
Is Anthoceros a bryophyte?
Anthoceros agrestis, commonly called field hornwort, is a bryophyte of the genus Anthoceros.
What is Elaterophore in botany?
[i′lad·ə·rə‚fȯr] (botany) A tissue bearing elaters, found in some liverworts.
What are Peristome teeth?
Each peristome is a ring of triangular "teeth" formed from the remnants of dead cells with thickened cell walls. There are usually 16 such teeth in a single peristome, separate from each other and able to both fold in to cover the stoma as well as fold back to open the stoma.
Do mosses have Columella?
Columella (in plants) is an axis of sterile tissue which passes through the center of the spore-case of mosses. In fungi it refers to a centrally vacuolated part of a hypha, bearing spores. The word finds analogous usage in myxomycetes.
Which of the contain Pseudoelaters?
- Pseudoelaters are present in the species of hornworts when this plants grown longer in order into release the spore they split lengthwise and mature spores will be released, here where pseudoelaters are also present along with them to change the shape of spore and make them survive in case of dry and drought ...
Do all bryophytes have Protonema?
Moss spores germinate to form an alga-like filamentous structure called the protonema. ... These give rise to gametophores, stems and leaf like structures. Bryophytes do not have true leaves (megaphyll. Protonemata are characteristic of all mosses and some liverworts but are absent from hornworts.
What is Archegoniophore?
: the stalk or other outgrowth of a prothallium upon which archegonia are borne (as in liverworts of the genus Marchantia) — compare carpocephalum.
What are Elaters in marchantia?
Hint: An elater is a cell which is hygroscopic and can change shape with changes in moisture and environment. ... They are tubular with spiral thickenings and also help in spore release. Complete step by step answer: - Marchantia can reproduce by sexually as well as asexually.
Why is Anthoceros called as hornwort?
Anthoceros is a genus of hornworts in the family Anthocerotaceae. ... Its name means 'flower horn', and refers to the characteristic horn-shaped sporophytes that all hornworts produce.
What is Gemma Cup?
Definition. A small receptacle or cup on upper surface of bryophytes in which gemmae are produced from which they are splashed out of and dispersed by rain drops.
How do sperm get out of the Antheridium?
When a mature antheridium is moistened the cells at the apex absorb water, swell and finally burst or open in some way. The sperm mass inside a mature antheridium is under pressure. So, once an antheridium has opened, the sperm mass is forced out.
What is spore Elater division?
spores have four bands, or elaters, which coil and uncoil in response to changes in humidity, assisting in the dispersal of the spores. Under low light intensity and high humidity, the spores germinate to form small, flattened, green gametophytes.
Which is commonly known as hornwort?
Ceratophyllum demersum, commonly known as hornwort, rigid hornwort, coontail, or coon's tail, is a species of Ceratophyllum. It is a submerged, free-floating aquatic plant, with a cosmopolitan distribution, native to all continents except Antarctica.
What is duck feet?
The takeaway. Out-toeing, or being duck-footed, is a condition marked by feet that point outward instead of straight ahead. It's most common in toddlers and young children, who typically outgrow it by age 8. Adults can also become duck-footed as the result of a sedentary lifestyle, poor posture, injury, or other causes ...
What is the skin between your finger and thumb called?
The area of skin between the thumb and the index finger is often call the "thenar webspace". What the "webspace" looks like when a child is performing fine motor tasks is often a good indicator of muscle strength and fine motor control.
Does webbed feet mean inbred?
Is webbed feet a sign of inbreeding? No, it is not sign of inbreeding. It is an abnormality present at birth.
