Spinous cell

prickle cellspinous
Spinous cells, or prickle cells, are keratin producing epidermal cells owing their prickly appearance to their numerous intracellular connections.wikipedia
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Stratum spinosum

prickle cell layerspinosumspinous layer
They make up the stratum spinosum (prickly layer) of the epidermis and provide a continuous net-like layer of protection for underlying tissue. They are found in the stratum spinosum (prickly layer, spinosum layer), which lies above the stratum basale (basal layer) and below the stratum granulosum (granular layer) of the epidermis.
Spinous cell

Keratin

keratinizationkeratinouskeratinized
Spinous cells, or prickle cells, are keratin producing epidermal cells owing their prickly appearance to their numerous intracellular connections. First, they are keratinocytes (keratin cells) whose primary function is to produce keratin, a strong structural protein.

Epidermis

epidermalepidermal cellsepidermal layer
Spinous cells, or prickle cells, are keratin producing epidermal cells owing their prickly appearance to their numerous intracellular connections.

Skin

cutaneousskin cellanimal skin
Spinous cells are found in the superficial layers of the skin.

Stratum basale

basal layerbasal cellsStratum germinativum
They are found in the stratum spinosum (prickly layer, spinosum layer), which lies above the stratum basale (basal layer) and below the stratum granulosum (granular layer) of the epidermis.

Stratum granulosum

granular layerGranular layer of skingranulosum
They are found in the stratum spinosum (prickly layer, spinosum layer), which lies above the stratum basale (basal layer) and below the stratum granulosum (granular layer) of the epidermis.

Keratinocyte

keratinocytesskin cellsdead skin cells
First, they are keratinocytes (keratin cells) whose primary function is to produce keratin, a strong structural protein.

Desmosome

desmosomesdesmosomaldesmosomal cadherins
Second, the cells are bound together across their cytoplasm by keratin filaments that form cell-to-cell connections (desmosomes).

Rhizopus oryzae

R. oryzaeRhizopus nodosusRhizopus'' ''oryzae
oryzae'' are globose or subglobose, wall spinous and black when mature, 60-180 μm in diameter.

Corneal epithelium

outer corneal layercorneal epithelialCorneal epithelial cells
The majority of these are prickle cells, similar to those found in the stratum mucosum of the cuticle.

Ainhum

Pseudo-ainhum
Histology shows a change in the prickle cell layer, and this is responsible for the laying down of condensed keratin causing the groove.