21. During consonants, Nasometry usually refers to the measurement of air escaping past the velum and escaping through the nose. 22. :: : : You have to lower your velum , otherwise air won't go out your nose. 23. When metamorphosis occurs, the velum is lost, and the newly metamorphosed juvenile adopts its slug-like adult form. 24. The velum and foot of the veliger can be retracted into the shell to protect these structures from predators or mechanical damage. 25. Three scolopidia stretch from the velum to the leg wall, each containing one sensory neuron with a dendrite and attached cilia. 26. The root of reveal is the Latin velum , " veil "; to reveal is to strip away the veil. 27. At any given moment the soft palate or velum either allows or doesn't allow sound to resonate in the nasal chamber. 28. The pharynx is subdivided; the ventral part forming a respiratory tube that is isolated from the mouth by a valve called the velum . 29. The ejective such as, with simultaneous closure of the velum and glottis, is not normally considered to be a co-articulated consonant. 30. By this time they have developed a velum , a ciliated locomotory and feeding organ, and the rudiments of a straight-hinged shell.
