The pedal disc (also known as a basal plate) is the surface opposite to the mouth of the sea anemone. IIt serves to attach the anemone to the substrate, or hard surface, upon which it lives.

What is basal example?

In medicine, the word basal describes structures that are located at the base of some major organ or other body part. Basal ganglia, for example, are found at the base of the brain in humans, and a basal cell is at the deepest part of the skin.

What is meant by basal conglomerate?

: a conglomerate that resting on a surface of erosion and consequently marking an unconformity forms the bottom member of a sedimentary series.

What is disc in zoology?

(Science: zoology) The anterior surface or oral area of coelenterate animals, as of sea anemones. The lower side of the body of some invertebrates, especially when used for locomotion, when it is often called a creeping disk.

What is the meaning of basal disc?

: an expanded basal portion by which certain stalked sessile organisms are attached to the substrate.

Where are hydras found?

freshwater Hydras occur in freshwater, either in flowing or standing waters. They tolerate a wide range of conditions from depths up to 350 metres in lakes, or in shallow, fast-flowing streams. They attach themselves to solid surfaces such as stones, twigs, or vegetation. They do not occur on soft surfaces.

Does basal mean basic?

of, at, or forming the base. forming a basis; fundamental; basic.

What is a basal in testing?

Basal For individually administered tests, the point on test, associated with a given level of functioning or skill, for which an examiner is confident, that all items prior to that item would be answered correctly (considered too easy).

What does basal activity mean?

The basal activity of the receptor, and its ability to activate intracellular signaling pathways, is defined by the probability that a fraction of the receptor adopts the active state in the absence of ligand.

What is basal nonconformity?

After this interval of subglacial erosion, and following the retreat of the glacier, the basal nonconformity was defined by topographic highs and lows that controlled the deposition of the succeeding deposits.

What does basal mean in geology?

Basal Located at the bottom of a geologic unit. Base flow That part of streamflow that is sustained primarily by ground- water discharge. It is not attributable to direct runoff from precipitation or melting snow.

What is basal sandstone?

The basal sandstone consists of about 30 to 750 feet of Cambrian sandstone overlying the crystalline basement complex. The basal sandstone is overlain and confined by shale and carbonate rocks of the Middle and Upper Cambrian Conasauga Group.

What is a disk medical term?

Disc: Shortened terminology for an intervertebral disc, a disk-shaped piece of specialized tissue that separates the bones of the spinal column. … When the disc has herniated or ruptured, it may create pressure against one or more of the spinal nerves which can cause pain, weakness or numbness.

What do mean by disk?

1 : something that is or appears to be flat and round. 2 usually disc : cd. 3 : a round, thin, flat plate coated with a magnetic substance on which data for a computer is stored. 4 usually disc : a phonograph record.

What is the difference between DiSC and disk?

Although disc and disk are listed as variants for something round and flat in shape, each one seems to have a preferred usage. Disc is seen more often in the music industry and throwable objects such as Frisbees, whereas disk is the preferred spelling in computer-related lingo such as floppy disk.

How would you describe a tentacle?

In zoology, a tentacle is a flexible, mobile, elongated organ present in some species of animals, most of them invertebrates. … Most forms of tentacles are used for grasping and feeding. Many are sensory organs, variously receptive to touch, vision, or to the smell or taste of particular foods or threats.

Where is the basal disk on a Hydra?

A structure called a basal disc on the bottom of the tube-like body secretes a sticky substance which helps hydras to attach themselves to a solid base.

What does the word benthic mean?

1 : of, relating to, or occurring at the bottom of a body of water. 2 : of, relating to, or occurring in the depths of the ocean.

How do hydras eat?

Hydra capture their food by paralyzing and killing the food organism by means of nematocysts, which are discharged into the prey. The prey is brought to the mouth (proctostome) by the tentacles, a response that is induced glutathione. … The organism is then taken in through the mouth, which is star-shaped or circular.

What are hydras powers?

The Hydra’s most potent ability is the power to regrow any head that is cut off, with twice as many in its place. She is also said to be extremely venomous, killing someone with a single scent of her breath.

How do hydras defend themselves?

Hydra tentacles contain barbed, poison containing cnidocytes that they use to stun animals like the water flea, Daphnia, before eating them alive, and to protect themselves from attack by other animals. … The linking of opsin to cnidocytes explains how hydra are able to respond to light even though they do not have eyes.

What is a basal story?

Basal stems from the word base or basic. Commonly called reading books or readers, basal readers are short stories, including individual books for learners, a teacher’s edition, workbooks, assessments and activities for a specific reading level.

What is a basal condition?

4 Basal metabolic rate. The basal metabolic rate (BMR) is the metabolic rate of a person measured under basal conditions, i.e. when a person is awake and in absolute physical and mental rest after 12 hours of absolute fasting, and when the environmental temperature is 2025 C.

Are basal cells cancerous?

About 8 out of 10 skin cancers are basal cell carcinomas (also called basal cell cancers). These cancers start in the basal cell layer, which is the lower part of the epidermis. These cancers usually develop on sun-exposed areas, especially the face, head, and neck. They tend to grow slowly.

What is a good basal rate?

General Guidelines for Testing a Basal Rate: Your healthcare provider will determine the initial basal rate you should use when starting on your insulin pump. The goal is to not let your blood sugar level rise or fall more than 30 mg/dL when not eating or exercising.

What is your basal rate?

Basal rate, in biology, is the rate of continuous supply of some chemical or process. In the case of diabetes mellitus, it is a low rate of continuous insulin supply needed for such purposes as controlling cellular glucose and amino acid uptake.

When should I change my basal rate?

Note: Basal rates are usually changed one hour prior to an observed rise or fall in the blood glucose, since the rapid-acting insulin infused by the pump takes about an hour to peak. For example, if your blood glucose rises between 3 AM and 7 AM, you would increase the basal rate between 2 AM and 6 AM.

What is a temporary basal?

Did You Know: A temporary basal rate allows an immediate short-term change to your basal insulin for a specified period of time (30 minutes to 24 hours). This rate can be up to your Maximum basal rate setting. It offers an easy way to immediately meet short-term insulin needs for temporary activities or situations.

What is basal limit?

Basal limit is a safety feature intended to prevent accidently setting a basal rate higher than you intended. (For example, this could help keep you from setting a basal rate of 2.0 instead of 0.2 because the decimal point was omitted.)

How do I adjust my basal rate?

Changing Your Basal Rate(s)

  1. Go to the SET BASAL RATE 1 screen. …
  2. The SET BASAL RATE 1 screen flashes the basal rate in U/H.
  3. Enter your first basal rate amount and press ACT. …
  4. The SET START TIME 2 screen appears. …
  5. In the SET START TIME 2 screen, enter the start time for the next rate.
  6. Press ACT. …
  7. Press ACT.