How to use Vermiform in a sentence
In association with this movement in a definite direction the body has become vermiform and bilaterally symmetrical.
But in general we find that elaboration of imaginal structure is associated with degradation in the nature of the larva, cruciform and vermiform larvae being characteristic of the highest orders of the Hexapoda, so that unlikeness between parent and offspring has increased with the evolution of the class.
In all the remaining orders of the Endopterygota the larva is eruciform or vermiform.
The eruciform larva of the Orthorrhapha leads on to the headless vermiform maggot of the Cyclorrhapha, and in the latter sub-order we find metamorphosis carried to its extreme point, the muscid flies being the most highly specialized of all the Hexapoda as regards structure, while their maggots are the most degraded of all insect larvae.
In some species (Spengelidae) there is a long capillary vermiform extension of the stomochord in front.Advertisement
The vermiform body is covered with cycloid imbricating scales, devoid of osteoderms. Limbs and even their arches are absent, excepting a pair of flaps which represent the hind-limbs in the males.
Ungulinidae.-Foot greatly elongated, vermiform, ending in a glandular enlargement.
Vermiform, with thick girdle and small valves; insertion and sutural plates strongly drawn forward, sharp and smooth.
Foot expanded distally into a symmetrical disk with a crenate edge or simple and vermiform without well-developed lateral processes; shell often contracted towards the anterior aperture.
The body is elongated and vermiform; it bears a number of paired appendages, each terminating in a pair of claws, and all very much alike.Advertisement
Caecum very short and wide, with a vermiform appendage (see Wombat).
In general structure they all closely resemble human beings, as in the absence of tails; in their semi-erect position (resting on finger-tips or knuckles); in the shape of vertebral column, sternum and pelvis; in the adaptation of the arms for turning the palm uppermost at will; in the possession of a long vermiform appendix to the short caecum of the intestine; in the size of the cerebral hemispheres and the complexity of their convolutions.
The stem at one extremity is truncate, but at the other is terminated by a vermiform fleshy appendage.
Larvae eruciform without thoracic legs, or vermiform without head-capsule.