HEENT examination. A HEENT examination is a portion of a physical examination that principally concerns the head, eyes, ears, nose, and throat. IPPA Inspection of scars or skin changes. Palpation of temporomandibular joint, thyroid, and lymph nodes.
The third domain is Eukaryota, whose members are called eukaryotes. Many eukaryotes are unicellular, and many are multicellular. Whether consisting of one cell or many, all Eukaryotic cells are complex, having a nucleus and other complex organelles.
Eukaryotic cells contain a nucleus and membrane-bound organelles. All multicellular organisms consist of eukaryotic cells. Eukaryotic cells are thought to have evolved from primitive single-celled prokaryotic cells. All cells are surrounded by a cell membrane (plasma membrane). The cell membrane is semipermeable, allowing some substances to pass into the cell and blocking others. It is composed of a double layer of phospholipids and embedded proteins. Plant cells have an additional layer surrounding them called the cell wall. The cell wall is made of nonliving material called cellulose. The centrosome (also called the microtubule organizing center) is a small body located near the nucleus. The centrosome is where microtubules are made.