ethmoid groove
41Mastoid notch — Left temporal bone. Inferior surface. (Mastoid notch visible at bottom center.) Latin incisura mastoidea ossis temporalis Gray s …
42Cruciform eminence — Bone: Cruciform eminence Occipital bone. Inner surface. Latin eminentia cruciformis Gray s …
43Lamina — A plate or layer. For example, the lamina arcus vertebrae, usually just called the lamina, are plates of bone in each vertebral body. * * * SYN: plate (1). SEE ALSO: layer, stratum. [L] l. affixa [TA] that part of the medial ependymal wall of the …
44Maxilla — This article is about the human maxilla. For arthropod maxillae, see Maxilla (arthropod). For insect maxillae in particular, see Maxilla (Hexapoda). Bone: Maxilla Side view. Maxilla visible at bottom left, in green …
45Occipital bone — Bone: Occipital bone Sagittal section of skull. (Occipital bone is at right, in blue.) …
46Palatine bone — Bone: Palatine bone Permanent teeth of upper dental arch, seen from below. (Horizontal part of palatine bone visible at bottom.) …
47Temporal bone — Bone: Temporal bone Cranial bones …
48Mastoid process — Bone: Mastoid process Side view of head, showing surface relations of bones. (Mastoid process labeled near center.) …
49Mastoid antrum — Bone: Mastoid antrum Coronal section of right temporal bone. ( Tympanic antrum labeled at upper left.) …
50Agger nasi — Bone: Agger nasi Lateral wall of nasal cavity; the three nasal conchæ have been removed. Gray s subject #38 161 T …
