diff --git a/examples/vanilla/gene-leads.html b/examples/vanilla/gene-leads.html
index 0e74d9a9..f9828142 100644
--- a/examples/vanilla/gene-leads.html
+++ b/examples/vanilla/gene-leads.html
@@ -207,6 +207,13 @@ <h1>Gene Leads<small>Enrich your gene search</small></h1>
       }
     }
 
+    async function onWillShowAnnotTooltip(annot) {
+      if (annot.then) {
+        return await annot
+      }
+      return annot
+    }
+
     /** Ideogram has no 3rd party analytics, but lets you easily hook in your own */
     function reportFoundGenes() {
       console.log(this.relatedGenesAnalytics)
@@ -246,7 +253,8 @@ <h1>Gene Leads<small>Enrich your gene search</small></h1>
       onLoad: plotGeneFromUrl,
       onPlotFoundGenes: reportFoundGenes,
       onHoverLegend: reportLegendMetrics,
-      onClickAnnot
+      onClickAnnot,
+      onWillShowAnnotTooltip
     }
 
     const annotsInList = 'all';
diff --git a/src/js/ideogram.js b/src/js/ideogram.js
index 2afc1368..50db97ad 100644
--- a/src/js/ideogram.js
+++ b/src/js/ideogram.js
@@ -70,7 +70,8 @@ import {
 
 import {
   drawPathway as _drawPathway,
-  getPathwayGenes as _getPathwayGenes
+  getPathwayGenes as _getPathwayGenes,
+  getPathwayAnnotations
 } from './kit/pathway-viewer.js';
 
 import {
@@ -359,7 +360,11 @@ export default class Ideogram {
    * @param {String} outerSelector DOM selector of container, e.g. "#my-diagram"
    * @param {Object} dimensions Height and width of pathway diagram
    * @param {Boolean} showClose Whether to show close button
-   * @param {Function} geneNodeHoverFn Function to call upon hovering diagram node
+   * @param {Function} geneNodeHoverFn Function to call upon hovering gene
+   * @param {Function} pathwayNodeClickFn Function to call upon clicking pathway
+   * @param {Boolean} showDescription Whether to display pathway description
+   * @param {Boolean} showOntologies Whether to display ontology annotations
+   * @param {Boolean} showDefaultTooltips Whether to display default tooltips
   */
   static drawPathway(
     pwId, sourceGene, destGene,
@@ -367,7 +372,10 @@ export default class Ideogram {
     dimensions={height: 440, width: 900},
     showClose=true,
     geneNodeHoverFn=undefined,
-    pathwayNodeClickFn=undefined
+    pathwayNodeClickFn=undefined,
+    showDescription=true,
+    showOntologies=true,
+    showDefaultTooltips=true
   ) {
     _drawPathway(
       pwId, sourceGene, destGene,
@@ -375,7 +383,10 @@ export default class Ideogram {
       dimensions=dimensions,
       showClose=showClose,
       geneNodeHoverFn=geneNodeHoverFn,
-      pathwayNodeClickFn=pathwayNodeClickFn
+      pathwayNodeClickFn=pathwayNodeClickFn,
+      showDescription=showDescription,
+      showOntologies=showOntologies,
+      showDefaultTooltips=showDefaultTooltips
     );
   }
 
@@ -400,4 +411,8 @@ export default class Ideogram {
   static getPathwayGenes() {
     return _getPathwayGenes();
   }
+
+  static getPathwayOntologies(pathwayJson, selectedOntology) {
+    return getPathwayAnnotations(pathwayJson, selectedOntology);
+  }
 }
diff --git a/src/js/kit/pathway-viewer.js b/src/js/kit/pathway-viewer.js
index 37f72731..d0240e8c 100644
--- a/src/js/kit/pathway-viewer.js
+++ b/src/js/kit/pathway-viewer.js
@@ -227,7 +227,7 @@ function parsePwAnnotations(entitiesById, keys, ontology) {
   return pwAnnotations;
 }
 
-function getPathwayAnnotations(pathwayJson) {
+export function getPathwayAnnotations(pathwayJson, selectedOntology) {
   const entitiesById = pathwayJson.entitiesById;
   const keys = Object.keys(entitiesById).filter(k => k.startsWith('http://identifiers.org'));
   const sentenceCases = {
@@ -238,12 +238,19 @@ function getPathwayAnnotations(pathwayJson) {
     'Disease'
     // 'Pathway Ontology' // maybe later
   ];
-  const pathwayAnnotationsList = ontologies.map(ontology => {
+  let selectedOntologies = ontologies;
+  if (selectedOntology) {
+    selectedOntologies = [ontologies.find(
+      ontology => ontology.toLowerCase() === selectedOntology.toLowerCase()
+    )];
+  }
+  const pathwayAnnotationsList = selectedOntologies.map(ontology => {
     const pwAnnotations = parsePwAnnotations(entitiesById, keys, ontology);
     const links = pwAnnotations.map(pwa => {
       const id = pwa.xrefIdentifier.replace(':', '_');
       const url = `https://purl.obolibrary.org/obo/${id}`;
-      return `<a href="${url}" target="_blank">${pwa.term}</a>`;
+      const cls = 'class="_ideoPathwayOntologyLink"';
+      return `<a href="${url}" target="_blank" ${cls}>${pwa.term}</a>`;
     }).join(', ');
 
     const refinedOntology = sentenceCases[ontology] ?? ontology;
@@ -281,9 +288,10 @@ export function getPathwayGenes() {
 }
 
 
-function addFooter(pathwayJson, pathwayContainer) {
+function addFooter(pathwayJson, pathwayContainer, showOntologies) {
   const description = getDescription(pathwayJson);
-  const pathwayAnnotations = getPathwayAnnotations(pathwayJson);
+  const pathwayAnnotations =
+    showOntologies ? getPathwayAnnotations(pathwayJson) : '';
   const footer =
     `<br/>` +
     `<div class="_ideoPathwayFooter">` +
@@ -302,6 +310,9 @@ export async function drawPathway(
   showClose=true,
   geneNodeHoverFn,
   pathwayNodeClickFn,
+  showDescription,
+  showOntologies,
+  showDefaultTooltips,
   retryAttempt=0
 ) {
   const pvjsScript = document.querySelector(`script[src="${PVJS_URL}"]`);
@@ -324,6 +335,7 @@ export async function drawPathway(
           pwId, sourceGene, destGene,
           outerSelector, dimensions, showClose,
           geneNodeHoverFn, pathwayNodeClickFn,
+          showDescription,
           retryAttempt++
         );
       }, 250);
@@ -390,7 +402,9 @@ export async function drawPathway(
   const pathwayViewer = new Pvjs(pvjsContainer, pvjsProps);
   addHeader(pwId, pathwayJson, pathwayContainer, showClose);
 
-  addFooter(pathwayJson, pathwayContainer);
+  if (showDescription) {
+    addFooter(pathwayJson, pathwayContainer, showOntologies);
+  }
 
   // zoomToEntity(sourceEntityId);
 
@@ -414,10 +428,15 @@ export async function drawPathway(
       }
     });
 
-    geneNode.setAttribute(`data-tippy-content`, tooltipContent);
+    if (showDefaultTooltips) {
+      geneNode.setAttribute(`data-tippy-content`, tooltipContent);
+    }
   });
-  const tippyConfig = getTippyConfig();
-  tippy('g.GeneProduct[data-tippy-content]', tippyConfig);
+  if (showDefaultTooltips) {
+    const tippyConfig = getTippyConfig();
+    tippyConfig.trigger = 'mouseenter';
+    tippy('g.GeneProduct[data-tippy-content]', tippyConfig);
+  }
 
   // Add click handler to pathway nodes in this pathway diagram
   if (pathwayNodeClickFn) {
@@ -433,11 +452,15 @@ export async function drawPathway(
         pathwayNodeClickFn(event, pathwayId);
       });
 
-      // Indicate this new pathway can be rendered on click
-      const tooltipContent = 'Click to show pathway';
-      pathwayNode.setAttribute('data-tippy-content', tooltipContent);
+      if (showDefaultTooltips) {
+        // Indicate this new pathway can be rendered on click
+        const tooltipContent = 'Click to show pathway';
+        pathwayNode.setAttribute('data-tippy-content', tooltipContent);
+      }
     });
 
-    tippy('g.Pathway[data-tippy-content]', tippyConfig);
+    if (showDefaultTooltips) {
+      tippy('g.Pathway[data-tippy-content]', tippyConfig);
+    }
   }
 }