Thus suspended, it feels about with the cremaster, as the spine at the end of its tail is called, which is full of minute curved hooklets at its end.
Usually segments 7 to 9 and 13, each have a pair of fleshy pads, which are termed prolegs and are furnished on their edges with a row of minute hooklets (see Plate I.
It is these hooklets which enable caterpillars to hold on by means of their prolegs with such great tenacity.
The edges of the abdominal segments are furnished dorsally with a row of small {131}hooklets above and below all the divisions; on the ventral surface there is only a single row, which is situated in front of each articulation.
Where these hooklets are wanting the barbs do not adhere together, resulting in a loose "discontinuous" vane such as, for example, is found in the plumes of the ostrich.
It is to the agency of these hooklets alone that the closely-knit, elastic vanes of the flight feathers and the body feathers are due.
If the broad tapeworm could be reared in a direct manner by the administration of Bothriocephalus eggs, there would be no need for the presence of boring hooklets in the proscolex.
There could be no doubt as to the genuineness of the case, as the spinal cyst was tapped during life, when echinococcushooklets were found.
S S are suctorial discs; the hooklets may be seen encircling a membranous disk.
The presence of pus with hepatic cells will be conclusive of abscess, whilst a serous fluid with echinococci hooklets will prove the existence of the echinococcus cyst.
The hooklets may be absent, as in the case of acephalocysts, but the fluid is characteristic in other respects: it contains a large quantity of chloride of sodium and is free from albumen.
The discovery of the characteristic hooklets of the scolex in the fluid withdrawn from the tumor will be conclusive as to the presence of echinococci.
In all doubtful cases the use of an aspirator-needle and the withdrawal of some fluid containing the characteristic hooklets of the echinococcus will serve to determine the nature of the growth.
Scolex of taenia echinococcus, showing crown of hooklets; 2, scolex and detached hooklets (obj.
The scolex is about the size of a pin-head, and is surrounded by four sucking discs, but has no hooklets (Fig.
The rostellum with its hooklets is frequently invaginated into the body.
The scolex is surrounded by four sucking discs, and has a projection, or rostellum, with a double row of horny hooklets (Fig.
The larva has complete circles of hooklets on its five pairs of prolegs, and the pupa (usually completely obtect) does not move at all from its cocoon.
The larva has usually ten prolegs, whose hooklets are arranged only along the inner edge, while the immobile pupa is always obtect with only two free abdominal segments (the fifth and sixth).
The larvae have hooklets only on the inner edges of the prolegs.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "hooklets" in a variety of sentences. We hope that you will now be able to make sentences using this word.
