| portion |
1. That which is divided off or separated, as a part from a whole; a separated part of anything.
2. A part considered by itself, though not actually cut off or separated from the whole. "These are parts of his ways; but how little a portion is heard of him!" (Job xxvi. 14) "Portions and parcels of the dreadful past." (Tennyson)
3. A part assigned; allotment; share; fate. "The lord of that servant . . . Will appoint him his portion with the unbelievers." (Luke xii. 46) "Man's portion is to die and rise again." (Keble)
4. The part of an estate given to a child or heir, or descending to him by law, and distributed to him in the settlement of the estate; an inheritance. "Give me the portion of goods that falleth to me." (Luke xv. 12)
5. A wife's fortune; a dowry.
Synonym: Division, share, parcel, quantity, allotment, dividend.
Portion, Part. Part is generic, having a simple reference to some whole. Portion has the additional idea of such a division as bears reference to an individual, or is allotted to some object; as, a portion of one's time; a portion of Scripture.
Origin: F, from L. Portio, akin to pars, partis, a part. See Part.
1. To separate or divide into portions or shares; to parcel; to distribute. "And portion to his tribes the wide domain." (Pope)
2. To endow with a portion or inheritance. "Him portioned maids, apprenticed orphans, blest." (Pope)
Origin: Portioned; Portioning.
Source: Websters Dictionary
(01 Mar 1998) |
| sphincter of third portion of duodenum |
A physiological sphincter supposedly located at the horizontal (inferior) portion of the duodenum.
(05 Mar 2000) |
| subcutaneous portion of external anal sphincter |
pars subcutanea musculi sphincteri ani externi, subcutaneous portion of external anal sphincter |
| supravaginal portion of cervix |
The part of the cervix of the uterus lying above the attachment of the vagina.
Synonym: portio supravaginalis.
(05 Mar 2000) |
| articular eminence of temporal bone |
Articular eminence of the temporal bone which bounds the mandibular fossa anteriorly; it forms the anterior root of the zygomatic process; it is enclosed by the articular capsule of the temporomandibular joint with the articular fossa; the head of the mandible (and intervening articular disc) move onto the articular tubercle to allow full depression of mandible (opening of mouth).
Synonym: tuberculum articulare ossis temporalis, articular eminence of temporal bone, eminentia articularis ossis temporalis, tuber zygomaticum.
(05 Mar 2000) |
| articular fossa of temporal bone |
A deep hollow in the squamous portion of the temporal bone at the root of the zygoma, in which rests the condyle of the mandible.
Synonym: cavitas glenoidalis, fossa mandibularis, articular fossa of temporal bone, glenoid cavity, glenoid fossa, glenoid surface.
(05 Mar 2000) |
| articular surface of temporal bone |
The smooth portion of the mandibular articular fossa and eminence of the temporal bone that articulates with the disk of the temporomandibular joint.
Synonym: facies articularis ossis temporalis.
(05 Mar 2000) |
| articular tubercle of temporal bone |
Articular eminence of the temporal bone which bounds the mandibular fossa anteriorly; it forms the anterior root of the zygomatic process; it is enclosed by the articular capsule of the temporomandibular joint with the articular fossa; the head of the mandible (and intervening articular disc) move onto the articular tubercle to allow full depression of mandible (opening of mouth).
Synonym: tuberculum articulare ossis temporalis, articular eminence of temporal bone, eminentia articularis ossis temporalis, tuber zygomaticum.
(05 Mar 2000) |
| parietal border of frontal bone |
The margin of the frontal bone that articulates with the parietal bone.
Synonym: margo parietalis ossis frontalis.
(05 Mar 2000) |
| parietal border of sphenoid bone |
The margin of the greater wing of the sphenoid that articulates with the parietal bone.
Synonym: margo parietalis ossis sphenoidalis.
(05 Mar 2000) |
| mastoid border of occipital bone |
The margin of the occipital squama that articulates with the temporal bone.
Synonym: margo mastoideus squamae occipitalis, mastoid margin of occipital bone.
(05 Mar 2000) |
| mastoid part of the temporal bone |
The portion of the petrous part of the temporal bone bearing the mastoid process.
Synonym: pars mastoidea ossis temporalis.
(05 Mar 2000) |
| sagittal border of parietal bone |
The medial border of the parietal bone entering into the sagittal suture.
Synonym: margo sagittalis ossis parietalis.
(05 Mar 2000) |
| squamous border of parietal bone |
The lateral border of the parietal bone that articulates with the squamous part of the temporal bone.
Synonym: margo squamosus ossis parietalis.
(05 Mar 2000) |
| squamous border of sphenoid bone |
The margin of the greater wing of the sphenoid bone that articulates with the squamous part of the temporal bone.
Synonym: margo squamosus ossis sphenoidalis.
(05 Mar 2000) |
