Table of Contents
What is a Multilobed nucleus?
Lobes in a nucleus, aka a multilobed nucleus, is found only in certain immune cells, which have packaged their genetic material (DNA) in multiple spheres instead of one big sphere like in most other cell types. These types of nuclei are called lobular nuclei.
What is nuclear morphology?
The size and shape of the nucleus vary in different cell types and can change during developmental progression, cellular differentiation, and aging. Aberrant nuclear morphology is associated with a multitude of disease states, including cancers and laminopathies.
What is the cell mastermind?
The nucleus controls protein synthesis and is the genetic repository of a cell. Hence, the nucleus can be called as the mastermind of cell.
What is meant by lobed?
Definition of lobed adjective. having a lobe or lobes; lobate. Botany. (of a leaf) having lobes or divisions extending less than halfway to the middle of the base.
What is the meaning of Multilobed?
Definition of multilobed : having two or more lobes multilobed nuclei a multilobed leaf.
Which cells have Multilobed nuclei?
Neutrophils, eosinophils and basophils are described collectively as granulocytes. They are distinguished by the nature of the granules in their cytoplasm, and generally have small, multilobed nuclei. The 2 other types of white cells are lymphocytes and monocytes and are described collectively as agranulocytes.
What is the buffy coat made of?
The buffy coat is simply a concentration of all the white blood cells and platelets in a sample of blood.
What is nuclear Pyknosis?
Pyknosis, or karyopyknosis, is the irreversible condensation of chromatin in the nucleus of a cell undergoing necrosis or apoptosis. It is followed by karyorrhexis, or fragmentation of the nucleus.
What is the kitchen of the cell?
Chloroplast
Chloroplast is a plastid that is involved in the synthesis of carbohydeates through photosynthesis and hence called as the kitchen of the cell.
What is cell powerhouse?
The mitochondria, often labeled the powerhouse of the cell, are the organelle responsible for energy production within the cell. Playing an important role in cellular respiration, the mitochondria are the main location for ATP production.
What is the lobe of a flower?
lobes: In flowers where the bases of the petals are joined at the base, lobes are the upper (free) parts of the petals. In leaves, rounded divisions of the leaf.
What is lobed leaf?
Lobed: show all. Leaves with distinct protrusions, either rounded or pointed. Pinnately lobed leaves have the lobes arranged on either side of a central axis like a feather. Palmately lobed leaves have the lobes spreading radially from a point, like fingers on a hand.
Which granulocyte has a Multilobed nucleus?
Neutrophils, eosinophils and basophils are described collectively as granulocytes. They are distinguished by the nature of the granules in their cytoplasm, and generally have small, multilobed nuclei.
Which leukocyte has a Multilobed nucleus?
Neutrophil
Neutrophil. This granulocyte has very tiny stained granules with low visibility. The nucleus is frequently multi-lobed with lobes connected by thin strands of nuclear material.
How many cells are in a buffy coat?
3 Blood-based sources of leukocytes
| Buffy coat | ||
|---|---|---|
| Erythrocytes | Ratio to PBMCs | 400 |
| PBMCs | Absolute numbers | 1×109 cells/buffy coat |
| Ratio to PBMCs | 1 | |
| Leukocytes | Absolute numbers | 2×109 cells/buffy coat |
What is pyknosis karyorrhexis and karyolysis?
Pyknosis, karyolysis and karyorrhexis are the death steps of the cell nucleus as a result of the cytopathic effect of the virus.
What is Karryorhexis?
Medical Definition of karyorrhexis : a degenerative cellular process involving fragmentation of the nucleus and the breakup of the chromatin into unstructured granules — compare karyolysis.
What is the meaning of perinuclear space?
perinuclear space. cis·ter·na car·y·o·the·’cae. the space between the internal and external membranes of the nuclear envelope; may be continuous in places with cisterns of the endoplasmic reticulum. Synonym(s): cistern of nuclear envelope, perinuclear space.
What is the perinuclear space of endoplasmic reticulum?
The perinuclear space (PNS) is joined with the lumen of the rough endoplasmic reticulum (RER). Width of the perinuclear space is about 20 – 40 nm. The perinulcear space is also called the perinuclear cisterna or nuclear envelope lumen . The nuclear envelope has two membranes, each with the typical unit membrane structure.
What is the space between the inner and outer nuclear membranes called?
The space between the inner and outer nuclear membranes is called the perinuclear space. The perinuclear space (PNS) is joined with the lumen of the rough endoplasmic reticulum (RER). Width of the perinuclear space is about 20 – 40 nm. The perinulcear space is also called the perinuclear cisterna or nuclear envelope lumen .