What's the difference between hamular and sphenoid?
Hamular
Definition:
(a.) Hooked; hooklike; hamate; as, the hamular process of the sphenoid bone.
Example Sentences:
(1) In monotremes the elements remain distinct and show specialised features, including a hamular cartilage in the ectopterygoid of one specimen of Ornithorhynchus.
(2) The hamular cartilage arises by chondrification within the ectopterygoid element and shows no sign of being a separate morphological entity, but must be regarded as a specialised feature associated with the architecture of the palatal musculature.
(3) Finish line modifications provide adjustability and facilitate relining in the hamular notch as changes in tissue contour dictate.
Sphenoid
Definition:
(a.) Wedge-shaped; as, a sphenoid crystal.
(a.) Of or pertaining to the sphenoid bone.
(n.) A wedge-shaped crystal bounded by four equal isosceles triangles. It is the hemihedral form of a square pyramid.
(n.) The sphenoid bone.
Example Sentences:
(1) The resection included the skin, globe, sphenoid wings, and orbitofrontal bone.
(2) In Patient 2, rhinorrhoea and presumably entry of infection was facilitated by unplugging of a defect in the wall of the sphenoid sinus by bromocriptine-induced shrinkage of the pituitary adenoma.
(3) This difference, however, did not influence the detection of rhythmical ictal activity in cheek and sphenoidal montages in our study, nor the assignment of side, site or time of seizure onset by unbiased readers.
(4) The other structures or regions that were involved, in decreasing order of frequency, were the sphenoid sinus (26.7%), nasal fossa (21.8%), and ethmoid sinus (18.3%).
(5) A case of isolated sphenoidal tumor localization in a child without any endocrinological disorder and revealing an histiocytosis X is reported.
(6) Except when the sphenoid sinus or the middle cranial fossa is involved, it is advisable to set the height of the upper margin of the lateral facial field at a level no higher than the diaphragma sellae.
(7) This paper reviews 14 patients presenting with acute sphenoid sinusitis between 1978 and 1987.
(8) The operative method involves removal of portions of the orbital rim, orbital roof, and sphenoid bone.
(9) the sphenoid, ethmoid, and occipital bones) and to abnormal spatial relationships between the cribriform plate and the crista galli, resulting in a positional disarrangement of the points of basal attachment of the dura matter.
(10) Canal structures, remnants of the craniopharyngeal canal, were observed in specimens showing bilateral centers of ossification in the sphenoid corpus.
(11) Inflammatory disease of the posterior sinuses (sphenoid and posterior ethmoid cells) may not clinically be apparent and might be overlooked.
(12) A new staging system according to the regions involved was used; 31 patients in whom the tumour was limited to the nasopharynx (Stage I) and those with superior spread into the ethmoid or sphenoid sinuses (Stage IIA) had their tumours removed by a transpalatal route, alone or in combination with other approaches.
(13) The common sites of extra-nasopharyngeal extension detected by CT scan are: parapharyngeal space, intracranial invasion, sphenoidal sinus, orbit, ethmoidal sinus, maxillary antrum, oropharynx and the nasal cavity.
(14) A soft reddish brown mass was found in the sphenoid sinus and the bilateral cavernous sinus extending from the sella turcica.
(15) The arteriogram demonstrated supply to the tumor from numerous hypertrophied branches of the cavernous portion of the internal carotid artery and a dense tumor stain within the sphenoid sinus.
(16) Anatomic variations of the sella turcica and sphenoid sinus may complicate surgical intervention in the region of the sella turcica.
(17) A case of primary chondromyxoid fibroma of the petrous and sphenoid bones extending into the posterior clinoid process, sella, and cavernous sinus in a 26-year-old man is reported.
(18) It provides a simple, reliable, rapid technique for exposing the septum and the floor of the nose with excellent exposure to the sphenoid sinus and pituitary gland.
(19) However, the described surgical technique seems to be a good alternative for fistulas to the sphenoidal sinus and should be included in our surgical armamentarium.
(20) The maxillary sinus, the sphenoid sinus and the ethmoid cells were opened on both sides during ten resections of the skull base.