Lamina is a general
anatomical term meaning "plate" or "layer". It is used in both
gross anatomy
Gross anatomy is the study of anatomy at the visible or macroscopic level. The counterpart to gross anatomy is the field of histology, which studies microscopic anatomy. Gross anatomy of the human body or other animals seeks to understand the rela ...
and microscopic anatomy to describe structures.
Some examples include:
* The laminae of the
thyroid cartilage
The thyroid cartilage is the largest of the nine cartilages that make up the ''laryngeal skeleton'', the cartilage structure in and around the trachea that contains the larynx. It does not completely encircle the larynx (only the cricoid cartilage ...
: two leaf-like plates of cartilage that make up the walls of the structure.
* The
vertebral laminae: plates of bone that form the posterior walls of each vertebra, enclosing the spinal cord.
* The laminae of the
thalamus
The thalamus (from Greek θάλαμος, "chamber") is a large mass of gray matter located in the dorsal part of the diencephalon (a division of the forebrain). Nerve fibers project out of the thalamus to the cerebral cortex in all directions, ...
: the layers of thalamus tissue.
* The
lamina propria: a connective tissue layer under the epithelium of an organ.
* The
nuclear lamina
The nuclear lamina is a dense (~30 to 100 nm thick) fibrillar network inside the nucleus of eukaryote cells. It is composed of intermediate filaments and membrane associated proteins. Besides providing mechanical support, the nuclear lamina ...
: a dense fiber network inside the nucleus of cells.
* The
lamina affixa
Lamina affixa is a layer of epithelium growing on the surface of the thalamus and forming the floor of the central part of lateral ventricle, on whose medial margin is attached the choroid plexus of the lateral ventricle; it covers the superior t ...
: a layer of
epithelium growing on the surface of the
thalamus
The thalamus (from Greek θάλαμος, "chamber") is a large mass of gray matter located in the dorsal part of the diencephalon (a division of the forebrain). Nerve fibers project out of the thalamus to the cerebral cortex in all directions, ...
.
*
Lamina cribrosa with two different meanings.
References
{{DEFAULTSORT:Lamina (Anatomy)
Anatomy