1-29-07 notes - Ÿ-1Statum BasaleŸSingle...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Ÿ-1Statum BasaleŸSingle layerŸKeratinocytes (produce keratin, for water-proofing)ŸMelanocytes (produce melanin)ŸTactile (merkel) cells (sensory)ŸStratum SpinosumŸ8-12 layers of growing cellsŸKeratinocytesŸSpinyŸLangerhans cells (phagocytic cells, engulfing foreign material)ŸStratum GranulosumŸ3-5 rows of flattened cellsŸStratum LucidumŸOnly present sometimesŸThin clear layerŸLips, palms, soles of feet Ÿ(dead, too far from blood supply)ŸStratum CorneumŸOuter layer of flattened cellsŸKeratinizedŸProtein: protects (light, heat, chemicals, microorganisms)ŸMelanin (brown)Ÿ(albinism, tanning, frecklesŸCarotene (yellow)ŸHemoglobin (red/pink)ŸCyanosisŸBruisesŸDermis LayersŸPapillary layer (top 20%)ŸReticular layer (bottom 80%)ŸTactile Sensors of the DermisŸFree nerve endings (touch)ŸMeissner’s Corpuscules (touch)ŸPacinian Corpuscles (deep pressure)ŸHair = (Naked apes)ŸServes some purposeŸ(protection, warmth, sensation)ŸHard keratinŸTerminal hair (2mm/week)...
View Full Document

{[ snackBarMessage ]}

Page1 / 2

1-29-07 notes - Ÿ-1Statum BasaleŸSingle...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online