| acephal | <zoology> One of the Acephala. Origin: Gr.; priv. + head: cf. F. Acephale, LL. Acephalus. Source: Websters Dictionary (01 Mar 1998) |
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| acephala | <zoology> That division of the Mollusca which includes the bivalve shells, like the clams and oysters; so called because they have no evident head. Formerly the group included the Tunicata, Brachiopoda, and sometimes the Bryozoa. See Mollusca. Origin: NL, fr. Gr, adj. Neut. Pl, headless. See Acephal. Source: Websters Dictionary (01 Mar 1998) |
| acephalan | Same as Acephal. <zoology> Belonging to the Acephala. Source: Websters Dictionary (01 Mar 1998) |
| acephali | 1. A fabulous people reported by ancient writers to have heads. 2. A Christian sect without a leader. Bishops and certain clergymen not under regular diocesan control. 3. A class of levelers in the time of K. Henry I. Origin: LL, pl. Of acephalus. See Acephal. Source: Websters Dictionary (01 Mar 1998) |
| acephalia | Congenital absence of the head. Synonym: acephalia, acephalism. Origin: G. A-priv. + kephale, head (05 Mar 2000) |
| acephalic migraine | A classic migraine episode in which the teichopsia is not followed by a headache. Synonym: migraine without headache. (05 Mar 2000) |
| acephaline | Denoting members of the protozoan suborder Acephalina (order Eugregarinida), characterised by simple noncompartmentalised bodies, that parasitise invertebrates. (05 Mar 2000) |
| acephalism | Congenital absence of the head. Synonym: acephalia, acephalism. Origin: G. A-priv. + kephale, head (05 Mar 2000) |
| acephalist | One who acknowledges no head or superior. Source: Websters Dictionary (01 Mar 1998) |
| acephalobrachia | Synonym: abrachiocephaly. Origin: G. A-priv. + kephale, head, + brachion, arm (05 Mar 2000) |
| acephalocardia | Absence of head and heart in a parasitic twin. Origin: G. A-priv. + kephale, head, + kardia, heart (05 Mar 2000) |
| acephalocheiria | Congenital absence of head and hands. Origin: G. A-priv. + kephale, head, + cheir, hand (05 Mar 2000) |
| acephalochiria | Congenital absence of head and hands. Origin: G. A-priv. + kephale, head, + cheir, hand (05 Mar 2000) |
| acephalocyst | <zoology> A larval entozoon in the form of a subglobular or oval vesicle, or hy datid, filled with fluid, sometimes found in the tissues of man and the lower animals; so called from the absence of a head or visible organs on the vesicle. These cysts are the immature stages of certain tapeworms. Also applied to similar cysts of different origin. Origin: Gr. Without a head + bladder. Source: Websters Dictionary (01 Mar 1998) |
| acephalocystic | Pertaining to, or resembling, the acephalocysts. Source: Websters Dictionary (01 Mar 1998) |